Latitude 7220 Rugged Extreme Tablet 5G Service Manual Regulatory Model: T03H Regulatory Type: T03H003 May 2021 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Working on your tablet................................................................................................. 6 Safety instructions.............................................................................................................................................................. 6 Before working inside your tablet.............................................................................................................................. 6 Safety precautions..........
Installing the WWAN card......................................................................................................................................... 38 Microphone.........................................................................................................................................................................40 Removing the microphone........................................................................................................................................
About...............................................................................................................................................................................81 Updating the BIOS in Windows ..................................................................................................................................... 81 Updating BIOS on systems with BitLocker enabled............................................................................................
1 Working on your tablet Safety instructions Prerequisites Use the following safety guidelines to protect your tablet from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure in this document assumes that the following conditions exist: ● You have read the safety information that shipped with your tablet. ● A component can be replaced or, if purchased separately, installed by performing the removal procedure in reverse order.
5. Disconnect your tablet and all attached devices from their electrical outlets. 6. Press and hold the power button while the tablet is unplugged to ground the system board. NOTE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface simultaneously as touching a connector on the back of the tablet. 7. Remove any installed ExpressCards or Smart Cards from the appropriate slots.
ESD field service kit The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: anti-static mat, wrist strap, and bonding wire. Components of an ESD field service kit The components of an ESD field service kit are: ● Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures.
Steps 1. Connect any external devices, such as a mobile keyboard or a docking station, and replace any cards, such as an ExpressCard. 2. Connect your tablet and all attached devices to their electrical outlets. 3. Turn on your tablet.
2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document require the following tools: ● Phillips #0 screwdriver ● Phillips #1 screwdriver ● Philips #2 screwdriver ● Plastic scribe NOTE: The #0 screw driver is for screws 0-1, and the #1 screw driver is for screws 2-4.
Table 1. Screw list (continued) Component Screw type Quantity Front camera M2x3 1 System board M2x5 11 M2x3 2 M1.6x5 2 Rear camera M2x5 3 Micro serial port and power connector port M2x5 6 M1.
Major components of your system 1.
2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Coin-cell battery WLAN card WWAN card Heat-sink USB Type-C bracket Mini-serial bracket Power adapter port Mini-serial port System board NFC antenna Left battery (as viewed from the back) Right battery (as viewed from the back) Microphone assembly circuit board System fan Solid-state drive Front camera cable Front camera cover NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased.
About this task The figure indicates the location of the batteries and provides a visual representation of the removal procedure. Steps 1. Slide the battery release latch to the unlock position. 2. Slide the latch down to unlock the battery. 3. Lift the battery out of the battery bay. 4. Remove the battery from the tablet. Installing the batteries Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the pins on the battery with the connector on the tablet. NOTE: Ensure that the metal pin of the battery is aligned in place. 2. Place the battery into the battery bay until it clicks into place. 3. Slide the battery latch to the locked state. 4. Ensure that the battery release latch is in the locked state. Next steps 1. Follow the procedure in after working inside your tablet. Subscriber Identification Module (SIM) card Removing the uSIM Prerequisites 1.
About this task The figure indicates the location of the uSIM and provides a visual representation of the removal procedure. Steps 1. Open the uSIM slot cap. 2. Press the uSIM card, and slide it out of the slot. NOTE: Use a flat pointed scribe to ease removing the SIM. Inserting the uSIM Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Insert the uSIM card in the slot until it is locked. 2. Close the uSIM slot cap to initial state. Next steps 1. Install the batteries. 2. Follow the procedure in after working inside your tablet. Stylus Removing the stylus Prerequisites 1. Follow the procedure in before working inside your tablet. About this task The figure indicates the location of the stylus and provides a visual representation of the removal procedure.
Steps 1. Slide the stylus upward using the groove on the stylus pen. NOTE: Avoid pulling the stylus with the stretchable thread. 2. Loosen the knot and slip the stylus through the hole to remove the tether from the chassis. Installing the stylus Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the stylus and provides a visual representation of the installation procedure.
Steps 1. Slip the stylus through the hole to create a knot that holds the tether to the chassis. 2. Insert the stylus into the slot on the tablet. NOTE: When not in use, avoid hanging the stylus that is detached from its groove. Next steps 1. Follow the procedure in after working inside your tablet. Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries.
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Steps 1. Place the tablet on a flat and clean surface and remove the 19 (M2.5x5) screws that secure the display assembly to the chassis. 2. Flip the tablet. 3. Using a plastic scribe, gently pry the edges evenly to unlock the plastic clips that secure the display assembly to the chassis. NOTE: Tip of the plastic scribe should be inserted to avoid damage to the seal on the display assembly and to the clips that secure the display assembly to the chassis. 4. Flip the LCD panel by an angle less than 90°.
Installing the display assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the component and provides a visual representation of the installation procedure.
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Steps 1. Place the LCD panel by less than 90°, use a plastic scribe to connect the eDP cable and close the latch. Secure the connector with the attached adhesive tape that came with the eDP cable. 2. Using a plastic scribe, connect the function key cable to the connector on the system board and close the latch. Secure the connector with new adhesive tape. 3. Using a plastic scribe, connect the touch cable to the connector on the system board and close the latch. Secure the connector with new adhesive tape.
Function keys NOTE: The function key buttons are NOT keyed for correct installation. These keys can be installed with several incorrect combinations which leads to RDs. During a service incident, technicians must note the function keys button layout to ensure that the function keys are installed at their correct location. Removing the function keys Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3. Remove the display assembly.
2. Remove the six (M2x5) screws that secure the function keys board to the display assembly. 3. Lift the function keys board away from the display assembly along with the function keys cable. Installing the function keys Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the function keys and provides a visual representation of the installation procedure. Steps 1.
3. Follow the procedure in after working inside your tablet. SSD Heat-sink Removing the SSD heat-sink Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3. Remove the display assembly. About this task The figure indicates the location of the heat sink and provides a visual representation of the removal procedure. Steps 1. Remove the five (M2X3) screws that secure the SSD heat-sink to the system board.
About this task The figure indicates the location of the SSD heat-sink and provides a visual representation of the installation procedure. Steps 1. Align the screws on the SSD heat-sink with the screw holes on the system board. NOTE: The SSD thermal pad is adhered to the underside of the SSD heat-sink. 2. Replace the five (M2x5) screws to secure the SSD heat-sink to the system board. NOTE: Replace the screws in the order indicated on the heat-sink. Next steps 1. Install the display assembly. 2.
Steps 1. Unroute the cable from the routing guide on the system fan. 2. Disconnect the system fan cable from the connector on the system board. 3. Remove the four (M2x5) screws that secure the system fan to the system board. 4. Lift the system fan off the system board. Installing the system fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screws on the system fan with the screw holes on the system board. 2. Replace the four (M2x5) screws to secure the system fan to the chassis. 3. Connect the system fan cable to the connector on the system board. 4. Route the system fan cable through the routing guide on the system fan. Next steps 1. 2. 3. 4. Install the SSD heat-sink. Install the display assembly. Install the batteries. Follow the procedure in after working inside your tablet. Solid-state drive Removing the M.
4. Remove the heat-sink. About this task The figure indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure. Steps 1. Remove the (M2x3) screw that secures the solid-state drive to the system board. 2. Slide and remove the solid-state drive from the solid-state drive slot on the system board. Removing the M.2 2280 solid-state drive Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your tablet. Remove the batteries.
About this task The following image indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the installation procedure: Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive slot. 2. Replace the screw (M2x3) that secures the solid-state drive module to the system board. Next steps 1. 2. 3. 4. Install the heat-sink. Install the display assembly. Install the batteries. Follow the procedure in after working inside your tablet.
3. Install the batteries. 4. Follow the procedure in after working inside your tablet. WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3. Remove the display assembly. About this task The figure indicates the location of the WLAN card and provides a visual representation of the removal procedure. Steps 1. Remove the screw (M2x3) that secures the WLAN card bracket to the WLAN card. 2.
3. Disconnect the antenna cables from the WLAN card. 4. Slide and remove the WLAN card from the WLAN card slot. Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the WLAN card and provides a visual representation of the installation procedure. Steps 1. Slide the wireless card at an angle into the wireless card slot. 2.
Table 2. Connectors on the wireless card (continued) Antenna Cable Color Auxiliary (black triangle) Black 3. Place the WLAN card bracket on the WLAN card. 4. Replace the screw (M2x3) to secure the WLAN card bracket to the WLAN card. Next steps 1. Install the display assembly. 2. Install the batteries. 3. Follow the procedure in after working inside your tablet. WWAN card Removing the WWAN card Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3.
Steps 1. NOTE: The WWAN thermal pad is adhered to the underside of the heat-sink. Remove the screw (M2x3) that secures the WWAN card bracket to the WWAN card. 2. Remove the WWAN card bracket from the WWAN card. 3. Disconnect the antenna cables from the WWAN card. 4. Slide and remove the WWAN card from the WWAN card slot. Installing the WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Slide the WWAN card at an angle into the WWAN card slot. 2. Connect the antenna cables to the WWAN card. The following table provides the antenna-cable color scheme for the WWAN card that supports your tablet. Table 3. Connectors on the wireless card Antenna Cable Color Main (white triangle) Orange Auxiliary (black triangle) Blue Auxiliary (white triangle) White and Black Auxiliary (black triangle) White and Gray 3. Place the WWAN card bracket on the WWAN card. 4.
Next steps 1. Install the display assembly. 2. Install the batteries. 3. Follow the procedure in after working inside your tablet. Microphone Removing the microphone Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3. Remove the display assembly. About this task The figure indicates the location of the microphone and provides a visual representation of the removal procedure. Steps 1.
Installing the microphone Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the microphone and provides a visual representation of the installation procedure. Steps 1. Align the screw hole on the integrated microphone assembly circuit board with the screw hole on the chassis. 2. Insert the microphone and microphone bracket.
Removing and installing components
Steps 1. Open the lens cover by sliding the camera shutter towards right. 2. Using a plastic scribe, lift the camera lens shutter. 3. Remove the (M2x3) screw that secures the camera cover on the tablet chassis. 4. Using a plastic scribe, lift the front camera from the tablet chassis. 5. Lift the lens case at the edge to insert the plastic scribe in the gap. 6. Disconnect the camera cable that secures the cable to the system board. 7.
Removing and installing components
Steps 1. Align the front camera circuit board over the camera slot. NOTE: Opposite side of the camera circuit board is placed to connect cable in the connector. 2. Connect the front camera cable and plug in the cable to the connector. 3. Flip the front camera circuit board. 4. Align front camera circuit board with screw hole. 5. Place the camera lens case to the camera placeholder. 6. Replace the screw (M2x3) to secure the front camera circuit board on the tablet chassis. 7.
NOTE: Removing the coin-cell battery resets the BIOS setup programs settings to default. It is recommended that you note the BIOS setup programs settings before removing the coin-cell battery. About this task The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Move the fingerprint reader cable and micro-SD card cable over the coin-cell battery. 3.
Steps 1. Adhere the coin-cell battery to the slot on the system board. 2. Place the fingerprint cable and micro-SD card cable on the coin-cell battery. 3. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the display assembly. 2. Install the batteries. 3. Follow the procedure in after working inside your tablet. System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3.
4. 5. 6. 7. 8. Remove Remove Remove Remove Remove the the the the the SSD heat-sink. system fan. solid-state drive. WLAN. WWAN. About this task The following image indicates the connectors on your system board. 1. Microphone connector 2. LTE main+ P-sensor 3. OpExpansion module pogo connector 4. Camera MIPI connector 5. Smartcard connector 6. Mic cable connector 7. Coin-cell battery cable connector 8. Fingerprint reader connector 9. DC-in cable connector 10. Micro serial port cable connector 11.
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Steps 1. Disconnect the antenna cable from the system board. 2. Disconnect the radio antenna cables and coin-cell battery cable from the system board. 3. Remove the antenna cable from the clip, and disconnect the antenna cables from the system board. 4. Unroute the GPS cable from the routing channel and disconnect it from the system board. 5. Peel the adhesive tapes off the connectors from the system board. 6.
Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the connectors on your system board. 1. Microphone connector 2. LTE main+ P-sensor 3. OpExpansion module pogo connector 4. Camera MIPI connector 5. Smartcard connector 6. Mic cable connector 7. Coin-cell battery cable connector 8. Fingerprint reader connector 9. DC-in cable connector 10.
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Steps 1. Place the system board on the tablet chassis.
2. Replace the six (M2x5) screws that secure the system board to the tablet chassis. 3. Affix the adhesive tape and replace the (M2x5) screw that secures it to the system board. 4. Affix the conductive cloth that secures the camera MIPI plate on the system board. 5. Replace the two (M2x3) screws that secure the camera MIPI plate on the system board. 6. Connect the OpExpansion module pogo connector cable to the connector on the system board. 7.
Steps 1. Peel the copper adhesive tape and remove the three (M2x5) screws that secure the rear camera circuit board on the tablet chassis. 2. Remove the back camera board cable from the chassis. Installing the rear camera Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the rear camera and provides a visual representation of the installation procedure.
Steps 1. Align the screw holes on the rear camera circuit board with the screw holes on the tablet chassis. 2. Replace copper adhesive tape and the three (M2x5) screws to secure the rear camera circuit board to the chassis. Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. Install the system board. Install the WWAN. Install the WLAN. Install the solid-state drive. Install the system fan. Install the SSD heat-sink. Install the display assembly. Install the batteries.
Steps 1. Disconnect the DC-in cable from the connector and remove the (M2x5) screw that secures the system board to the system chassis. 2. Lift the latch, and disconnect the micro serial port cable from the connector. 3. Remove the four (M2x5) screws and two (M1.6x5) screws that secure the metal bracket to the system chassis. 4. Lift and remove the metal bracket from system. 5. Remove the (M2x5) screw that secures the DC-in port and serial port to the system chassis. 6.
Steps 1. Insert the DC-in port and micro serial port into the slot on the chassis. 2. Replace the (M2x5) screw that secures the DC-in port and serial port to the system chassis and align the rubber grommet to slide in the channel . 3. Align the metal brackets that secure the ports on the system chassis. 4. Replace the four (M2x5) screws and two (M1.6x5) screws that secure the metal bracket to the system chassis. 5. Connect the serial port cable into the connector. 6.
Docking Board Removing the docking board Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. Follow the procedure in before working inside your tablet. Remove the batteries. Remove the display assembly. Remove the heat-sink. Remove the system fan. Remove the solid-state drive. Remove the WLAN. Remove the WWAN. Remove the system board. About this task The figure indicates the location of the docking board and provides a visual representation of the removal procedure. Steps 1.
About this task The figure indicates the location of the docking board and provides a visual representation of the installation procedure. Steps 1. Connect the docking board cable to the connector. NOTE: Slide the cable through the connector clips, and release the latch. 2. Align the docking board and replace the five (M2x5) screws that secure the docking board to the system chassis. 3. Replace the adhesive tape to secure the docking board to the system chassis. Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9.
2. 3. 4. 5. 6. 7. 8. 9. 10. Remove Remove Remove Remove Remove Remove Remove Remove Remove the the the the the the the the the batteries. display assembly. heat-sink. system fan. solid-state drive. WLAN. WWAN. system board. docking board. About this task The figure indicates the location of the smart card reader and wireless passthrough daughterboard and provides a visual representation of the removal procedure.
Steps 1. Flip the smart card reader cable. 2. Disconnect the smart card reader cable from the connector. 3. Remove the two (M2x5) screws that secure the wireless passthrough daughterboard to the system chassis. 4. NOTE: The copper shield is adhered with a strong adhesive. Remove the shield carefully to avoid any tear. Remove the copper adhesive shield, and lift the wireless passthrough daughterboard away from the system. 5.
Installing the smart card reader and wireless passthrough daughterboard Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the smart card reader and wireless passthrough daughterboard and provides a visual representation of the installation procedure.
Steps 1. Align the smart card reader and place it on the system chassis. 2. Replace the eight (M2x5) screws that secure smart card reader to the system chassis. 3. Align and replace the wireless passthrough daughterboard on the system chassis. 4. Replace the copper adhesive shield and two to secure the wireless passthrough daughterboard to the smart card reader holder. 5. Replace the two (M2x5) screws that secure the wireless passthrough daughterboard to the system chassis. 6.
Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 68 Install the docking board. Install the system board. Install the WWAN. Install the WLAN. Install the solid-state drive. Install the system fan. Install the heat-sink. Install the display assembly. Install the batteries. Follow the procedure in after working inside your tablet.
3 Software This chapter details the supported operating systems along with instructions on how to install the drivers. Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ SLN128938.
4 System setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the following purposes: ● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
Boot Sequence Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ● Bring up the one-time boot menu by pressing F12 key. The one-time boot menu displays the devices that you can boot from including the diagnostic option.
. System information Table 5. System Configuration Option Description SATA Operation Allows you to configure the operating mode of the integrated hard drive controller. ● Disabled = The SATA controllers are hidden ● AHCI = SATA is configured for AHCI mode ● RAID ON = SATA is configured to support RAID mode (selected by default) Smart Reporting This field controls whether hard drive errors for integrated drives are reported during system startup.
Table 5. System Configuration (continued) Option Description ● ● ● ● ● Keyboard Backlight Timeout on Battery 30 sec 1 min 5 min 15 min Never The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled.
Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source—On Battery and On AC. The LCD brightness is independent for battery and AC adapter. It can be set using the slider. NOTE: The video setting is visible only when a video card is installed into the system. Security Table 6. Security Option Description Admin Password Allows you to set, change, and delete the admin password.
Table 6. Security (continued) Option Description Absolute This field lets you Enable, Disable or Permanently Disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software. ● Enabled - This option is selected by default. ● Disabled ● Permanently Disabled OROM Keyboard Access This option determines whether users are able to enter Option ROM configuration screen via hotkeys during boot.
Intel Software Guard Extensions Table 8. Intel Software Guard Extensions Option Description Intel SGX Enable This field specifies you to provide a secured environment for running code/storing sensitive information in the context of the main OS. Click one of the following options: ● Disabled ● Enabled ● Software controlled—Default Enclave Memory Size This option sets SGX Enclave Reserve Memory Size Click one of the following options: ● 32 MB ● 64 MB ● 128 MB—Default Performance Table 9.
Power management Option Description Lid Switch Allows you to disable the lid switch so the screen does not shut off when lid is closed. Default setting: Enable Lid Switch is selected. AC Behavior Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected. Default setting: Wake on AC is not selected.
Option Description ● Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop. NOTE: All charging mode may not be available for all the batteries. To enable this option, disable the Advanced Battery Charge Configuration option. Dock Battery Charger Mode Allows you to select the charging mode for the battery. The options are: ● Standard—enabled by default ● ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology.
Option Description Warnings and errors ● Prompt on warnings and errors—enabled by default ● Continue on warnings ● Continue on warnings and errors MAC Address Pass-Through ● Passthrough MAC Address—enabled by default ● Disabled Manageability Option Description Intel AMT Capability Allows you to provision AMT and MEBx Hotkey function is enabled, during the system boot.
Table 11.
Table 12. SupportAssist System Resolution (continued) Option Description ● 3 SupportAssist OS Recovery The SupportAssist OS Recovery option will enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain system errors. ● SupportAssist OS Recovery This option is set by default. About License Information: It contains the Copyright information.
an unnecessary operating system reinstall. For more information about this subject, see Knowledge Article: Updating the BIOS on Dell Systems With BitLocker Enabled Updating your system BIOS using a USB flash drive About this task If the system cannot load into Windows, but there is still a need to update the BIOS, download the BIOS file using another system and save it to a bootable USB Flash Drive. NOTE: You will need to use a bootable USB flash drive.
Flashing the BIOS from the F12 One-Time boot menu Updating your system BIOS using a BIOS update .exe file copied to a FAT32 USB key and booting from the F12 one time boot menu. About this task BIOS Update You can run the BIOS update file from Windows using a bootable USB key or you can also update the BIOS from the F12 One-Time boot menu on the system.
4. Select external USB device 5. Once the file is selected, Double click the flash target file, then press submit .
6. Click the Update BIOS then system will reboot to flash the BIOS. 7. Once complete, the system will reboot and the BIOS update process is completed. System and setup password Table 13. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. You can create a system password and a setup password to secure your computer.
NOTE: System and setup password feature is disabled. Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter the system setup, press F2 immediately after a power-on or reboot. Steps 1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed. 2. Select System/Admin Password and create a password in the Enter the new password field.
BIOS settings for RF passthrough In preceding Rugged platforms, radios use the external antennas when the system is docked. However, the GPS radio cannot use the external antenna with two antennas docking station, since these antennas are reserved for WLAN and WWAN. As a result, there are three wireless devices (WLAN, WWAN, and GPS) in a system with only two antennas in the docking station. For Latitude 7220 Rugged Extreme tablet, you can control the antenna selection through BIOS setup options.
5 Troubleshooting Dell SupportAssist Pre-boot System Performance Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally.
Solid green — Power adapter is connected and the battery has more than 5 percent charge. Amber — Computer is running on battery and the battery has less than 5 percent charge. Off ● Power adapter is connected and the battery is fully charged. ● Computer is running on battery and the battery has more than 5 percent charge. ● Computer is in sleep state, hibernation, or turned off. The power and battery-status light blinks amber along with beep codes indicating failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at www.dell.com/support. WiFi power cycle About this task If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device. Steps 1. Turn off your computer. 2.
6 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 15. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.
