XPS 8940 Service Manual Regulatory Model: D28M Regulatory Type: D28M003 September 2020 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. © 2020 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 inside your computer...................................................................................... 6 Before working inside your computer.............................................................................................................................6 Safety instructions..............................................................................................................................................................
Installing the graphics card....................................................................................................................................... 37 Coin-cell battery................................................................................................................................................................ 39 Removing the coin-cell battery................................................................................................................................
Chapter 6: Getting help and contacting Dell................................................................................
1 Working inside your computer Before working inside your computer About this task NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Steps 1. Save and close all open files and exit all open applications. 2. Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3.
CAUTION: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned. CAUTION: Press and eject any installed card from the media-card reader.
● ● ● ● ● mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never use wireless wrist straps. Always be aware that the internal wires of a wrist strap are prone to damage from normal wear and tear, and must be checked regularly with a wrist strap tester in order to avoid accidental ESD hardware damage. It is recommended to test the wrist strap and bonding wire at least once per week.
After working inside your computer About this task CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4.
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 may require the following tools: ● Phillips screwdrivers #1/#2 ● Optical drive opening tool ● Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box.
Table 1. Screw list (continued) Component Secured to Screw type Quantity Processor fan and heatsink assembly Chassis Captive screw M3 4 Voltage regulator heat sink Chassis Captive screw M2.5 2 Front I/O bracket Chassis #6-32 1 System board Chassis #6-32 8 System board Chassis #6-32x3.8 1 Screw image Major components of XPS 8940 The following image shows the major components of XPS 8940.
Removing and installing components
1. processor fan and heat-sink assembly 2. voltage regulator heat sink (optional) 3. hard drive 4. hard-drive cage 5. wireless card 6. solid-state drive 7. system board 8. memory modules 9. hard-drive cage 10. optical drive (optional) 11. power-button module 12. front I/O bracket 13. front cover 14. power-supply unit 15. chassis 16. graphics card 17. processor 18. chassis fan 19. graphics-card supporting bracket 20. hard-drive bracket Left-side cover Removing the left-side cover Prerequisites 1.
Steps 1. Loosen the two captive screws that secure the left-side cover to the chassis. 2. Using the tab on the left-side cover, slide and lift the left-side cover off the chassis. Installing the left-side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the left-side cover and provide a visual representation of the installation procedure.
Steps 1. Align the tabs on the left-side cover with the slots on the chassis, and slide it towards the front of the computer. 2. Tighten the two captive screws that secure the left-side cover to the chassis. Next steps 1. Follow the procedure in After working inside your computer. Optical drive (optional) Removing the optical drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover.
About this task The following images indicate the location of the optical drive and provide a visual representation of the removal procedure.
Steps 1. Disconnect the power and data cables from the optical drive. 2. Pull the release tab on the optical-drive cage towards the bottom of the computer. 3. Pull to slide out the optical drive through the front of the computer. 4. Remove the screw (M2x3) that secures the optical-drive bracket to the optical drive. 5. Eject the optical drive by inserting an optical drive opening tool in the optical-drive eject hole. 6.
Steps 1. Align the tabs on the optical-drive bezel with slots on the optical drive and snap it in place. 2. Align the screw hole on the optical-drive bracket with the screw hole on the optical drive. 3. Replace the screw (M2x3) that secures the optical-drive bracket to the optical drive. 4. Slide the optical drive into the optical-drive cage through the front of the computer until it snaps into place. 5. Connect the power and data cables to the optical drive. Next steps 1. Install the left-side cover. 2.
Power button Removing the power button Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front cover. About this task The following images indicate the location of the power button and provide a visual representation of the removal procedure. Steps 1. Lay the computer on the right side. 2. Disconnect the power-button cable from the system board. NOTE: The above image is provided for illustrative purposes only.
Steps 1. Slide the power-button module into the chassis until it snaps into place. 2. Connect the power-button cable to the system board. NOTE: The above image is provided for illustrative purposes only. You do not need to remove the front I/O cover to access the power-button cable. Next steps 1. Install the front cover. 2. Install the left-side cover. 3. Follow the procedure in After working inside your computer. Front cover Removing the front cover Prerequisites 1.
Steps 1. Place the computer in an upright position. 2. Gently pry and release the front-cover tabs from the top-left, working down sequentially to the bottom-left tab. 3. Swing the front cover outwards, away from the chassis, and remove the cover. Installing the front cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Place the computer in an upright position. 2. Insert the right-side front-cover tabs into the corresponding slots on the chassis. 3. Push the left-side of the front cover towards the chassis, snapping the slots into position. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. 2.5-inch hard drive Removing the 2.5-inch hard drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover.
Steps 1. Lay the computer on the right side. 2. Disconnect the data and power cables from the hard drive. 3. Press the release tabs on the hard-drive carrier and slide the hard-drive carrier out of the hard-drive cage. 4. Pry the hard-drive carrier to release the tabs on the carrier from the slots on the hard drive. 5. Lift the hard drive off the hard-drive carrier. NOTE: Note the orientation of the hard drive so that you can replace it correctly. Installing the 2.
The following images indicate the location of the 2.5-inch hard-drive assembly and provide a visual representation of the installation procedure. Steps 1. Place the hard drive into the hard-drive carrier and align the tabs on the carrier with the slots on the hard drive. 2. Snap the hard-drive carrier into the hard drive. 3. Slide the hard-drive assembly into the hard-drive cage until it snaps into place. 4. Connect the data cable and power cable to the hard drive. Next steps 1.
3.5-inch hard drive Removing the 3.5-inch hard drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. About this task The following images indicate the location of the 3.5-inch hard-drive assembly and provide a visual representation of the removal procedure. Steps 1. Lay the computer on the right side. 2. Disconnect the data and power cables from the hard drive. 3. Remove the cables from the routing guides on the hard-drive assembly. 4.
5. Lift the hard-drive assembly away from the chassis. 6. Remove the four screws (#6-32) that secure the hard drive to the hard-drive cage. 7. Slide the hard drive from the hard-drive cage. Installing the 3.5-inch hard drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the 3.5-inch hard-drive assembly and provide a visual representation of the installation procedure.
5. Route the power cable and data cable through the routing guides on the hard-drive assembly and connect the cables to the hard drive. 6. Replace the screw (#6-32) that secures the hard-drive assembly to the chassis. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. Chassis fan Removing the chassis fan Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover.
Installing the chassis fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the chassis fan and provide a visual representation of the installation procedure. Steps 1. Align the slots on the fan with the rubber grommets on the chassis. NOTE: The replacement fan may have tabs that are inserted into the grommets slots.
2. Route the rubber grommets through the slots on fan and push the rubber grommets until the fan snaps into position. 3. Connect the fan cable to the system board. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. Memory modules Removing the memory modules Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover.
Steps 1. Lay the chassis on the right side. 2. Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot. 3. Grasp the memory module near the securing clip, and then gently ease the memory module out of the memory-module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module. NOTE: Repeat step 2 to step 3 to remove any other memory modules installed in your computer.
Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Insert the memory module into the memory-module connector until the memory module snaps into position and the securing clip locks in place. CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module. NOTE: The securing clips return to the locked position. If you do not hear the click, remove the memory module and reinstall it.
Steps 1. Lay the computer on the right side. 2. Remove the screw (M2x3) that secures the wireless card to the system board. 3. Slide and lift the wireless-card bracket off the wireless card. 4. Disconnect the antenna cables from the wireless card. 5. Slide and remove the wireless card at an angle from the wireless-card slot. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black 2. Slide and place the wireless-card bracket on the wireless card. 3. Align the notch on the wireless card with the tab on the wireless-card slot. 4.
Solid-state drive/Intel Optane Removing the solid-state drive/Intel Optane Prerequisites NOTE: You must disable the Intel Optane memory before removing Intel Optane from your computer. For more information about disabling the Intel Optane memory, see Disabling Intel Optane. 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the graphics card.
Steps 1. Align the notch on the solid-state drive/Intel Optane with the tab on the M.2 card slot. 2. Slide the solid-state drive/Intel Optane into the M.2 card slot on the system board. 3. Replace the screw (M2x3) that secures the solid-state drive/Intel Optane to the system board. Next steps 1. Install the graphics card. 2. Install the left-side cover. 3. Follow the procedure in After working inside your computer. NOTE: Enable the Intel Optane memory after you replace the Intel Optane memory module.
Removing and installing components
Steps 1. Lay the computer on the right side. 2. Disconnect the power cables from the graphics card and remove them from the routing guides on the graphics -card support bracket. NOTE: This step is applicable only for computers that are shipped with a graphics-card support bracket. 3. Pull together the securing tabs on the graphics-card support bracket and rotate to remove it off the chassis. 4. Lift the pull tab to open the PCIE door. 5.
About this task The following images indicate the location of the graphics card and provide a visual representation of the installation procedure.
Steps 1. Align the graphics card with the PCI-Express card connector on the system board. NOTE: To install the NVIDIA GeForce RTX 2080 graphics card, rotate and install the graphics card. 2. Using the alignment post, connect the card in the connector and press down firmly. Ensure that the card is firmly seated. 3. Close the PCIE door. 4. Replace the graphics-card support bracket that connects the graphics card.
Steps 1. Lay the computer on the right side. 2. Using your finger, push the coin-cell battery-release lever on the coin-cell battery socket to release the coin-cell battery out of the socket. 3. Remove the coin-cell battery. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Insert the coin-cell battery into the socket with the positive side (+) label facing up and snap the battery in the socket. Next steps 1. Install the graphics card. 2. Install the left-side cover. 3. Follow the procedure in After working inside your computer. Power-supply unit Removing the power-supply unit Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the graphics card.
Removing and installing components
Steps 1. Lay the computer on the right side. 2. Disconnect the power cables from the system board and remove them from the routing guides on the chassis.
3. Remove the three screws (#6-32) that secure the power-supply unit to the chassis. 4. Press the securing clip and slide the power-supply unit away from the back of the chassis. 5. Lift the power-supply unit off the chassis. Installing the power-supply unit Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. NOTE: The cables and ports on the back of the power-supply unit are color-coded to indicate the different power wattage.
Steps 1. Slide the power-supply unit into the chassis until the securing tab snaps into position. 2. Replace the three screws (#6-32) that secure the power-supply unit to the chassis. 3. Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the system board. Next steps 1. Install the graphics card. 2. Install the left-side cover. 3. Follow the procedure in After working inside your computer.
Steps 1. Disconnect the processor-fan cable from the system board. 2. In the reverse sequential order (4->3->2->1), loosen the captive screws that secure the processor fan and heat-sink assembly to the system board. 3. Lift the processor fan and heat-sink assembly off the system board.
Steps 1. Align the numbering on the processor fan and heat-sink assembly with the numbering on the system board. 2. In the sequential order (1->2->3->4), tighten the captive screws that secure the processor fan and heat-sink assembly to the system board. 3. Connect the processor-fan cable from the system board. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. Processor Removing the processor Prerequisites 1.
Steps 1. Press the release lever down and then push it away from the processor to release it from the securing tab. 2. Extend the release lever completely and open the processor cover. CAUTION: When removing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. 3. Gently lift the processor from the processor socket.
Steps 1. Ensure that the release lever on the processor socket is fully extended in the open position. NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket. When the processor is properly seated, all four corners are aligned at the same height. If one or more corners of the processor are higher than the others, the processor is not seated properly. 2.
Steps 1. Loosen the captive screws that secure the voltage regulator heat sink to the system board. 2. Lift the voltage regulator heat sink off the system board. Installing the voltage regulator heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the voltage regulator heat sink and provide a visual representation of the installation procedure.
Steps 1. Align and place the voltage regulator heat sink on the system board. 2. Tighten the captive screws that secure the voltage regulator heat sink to the system board. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Your computer’s Service Tag is stored in the system board.
About this task Figure 1. System-board components 1. processor power-cable connector (ATX CPU1) 2. processor power-cable connector (ATX CPU) 3. processor 4. processor-fan cable connector (FAN CPU) 5. memory-module slot (DIMM3) 6. memory-module slot (DIMM1) 7. memory-module slot (DIMM4) 8. memory-module slot (DIMM2) 9. power-button cable 10. hard-drive data-cable connector (SATA0) 11. hard-drive data-cable connector (SATA1) 12. hard-drive data-cable connector (SATA2) 13.
Removing and installing components 53
Steps 1. Lay the computer on the right side. 2. Remove the screw (#6-32) that secures the front I/O-bracket to the chassis. 3. Rotate and remove the front I/O-bracket from the chassis. 4. Disconnect all the cables that are connected to the system board. 5. Remove the eight screws (#6-32) that secure the system board to the chassis. 6. Remove the voltage regulator heat sink. NOTE: The voltage regulator heat sink is shipped as a separate unit and it does not ship along with the system board.
7. Remove the screw (#6-32x3.8) and that secures the system board to the chassis. 8. Lift the system board at an angle and remove it off the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task Figure 2. System-board components 1. processor power-cable connector (ATX CPU1) 2. processor power-cable connector (ATX CPU) 3. processor 4. processor-fan cable connector (FAN CPU) 5.
21. PCIe x1 slot 22. chassis-fan cable connector (FAN SYS) The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Steps 1. Slide the back I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis. 2. Replace the screw (#6-32x3.8) that secures the system board to the chassis. 3. Install the voltage regulator heat sink. NOTE: The voltage regulator heat sink is shipped as a separate unit and it does not ship along with the system board.
6. Align the front I/O-bracket with the slots on the chassis. 7. Replace the screw (#6-32) that secures the front I/O-bracket to the chassis. Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Install the processor. Install the processor fan and heat-sink assembly. Install the coin-cell battery. Install the graphics card. Install the solid-state drive/Intel Optane. Install the wireless card. Install the memory modules. Install the 3.5-inch hard drive, if applicable. Install the front cover.
3 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 NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. 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.
Boot Sequence Boot Sequence allows 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.
Table 3. System setup options—System information menu (continued) General-System Information SLOT5_M.2 Displays the PCI information of the computer. SLOT6_M.2 Displays the PCI information of the computer. Processor Information Processor Type Displays the processor type. Core Count Displays the number of cores on the processor. Processor ID Displays the processor identification code. Current Clock Speed Displays the current processor clock speed.
Table 4. System setup options—System Configuration menu (continued) System Configuration SATA Operation Configure operating mode of the integrated SATA hard drive controller. Drives Enable or disable various drives on board. SATA-0 Displays the SATA device information of the computer. SATA-1 Displays the SATA device information of the computer. SATA-2 Displays the SATA device information of the computer. SATA-3 Displays the SATA device information of the computer. M.2 PCIe SSD-2 Displays the M.
Table 6. System setup options—Security menu (continued) Security Master Password Lockout Disables the master password support. Hard Disk passwords need to be cleared before changing the setting. SMM Security Mitigation Enable or disable SMM Security Mitigation Table 7. System setup options—Secure Boot menu Secure Boot Secure Boot Enable Enable or disable the secure boot feature. Secure Boot Mode Modifies the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures.
Table 8. System setup options—Intel Software Guard Extensions menu (continued) Intel Software Guard Extensions Deep Sleep Control Deep Sleep Control enables you to control the Deep Sleep mode support. USB Wake Support USB Wake Support enables the USB devices to wake the computer from Standby. Fan Control Override Enable or disable Fan control Override. Wake on LAN/WLAN Enables the computer to be powered on by special LAN signals.
Table 13. System setup options—SupportAssist System Resolution menu SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain system errors BIOSConnect BIOSConnect enable or disable cloud Service OS upon absence of Local OS Recovery. System and setup password Table 14.
Deleting or changing an existing system setup password Prerequisites Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. 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 System Security and press Enter.
● Password clear The Master System Password is used to clear the admin and computer password. To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application. Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.
5 Troubleshooting Locate the Service Tag or Express Service Code of your Dell computer Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, we recommend entering the Service Tag or Express Service Code at www.dell.com/support. For more information on how to find the Service Tag for your computer, see Locate the Service Tag for your Dell Laptop.
Table 15.
Table 16. Diagnostic error messages (continued) Error messages Description DRIVE NOT READY The operation requires a hard drive in the bay before it can continue. Install a hard drive in the hard drive bay. ERROR READING PCMCIA CARD The computer cannot identify the ExpressCard. Reinsert the card or try another card. EXTENDED MEMORY SIZE HAS CHANGED The amount of memory recorded in non-volatile memory (NVRAM) does not match the memory module installed in the computer. Restart the computer.
Table 16. Diagnostic error messages (continued) Error messages Description during the boot routine. Run the Keyboard Controller test in Dell Diagnostics. KEYBOARD DATA LINE FAILURE For external keyboards, check the cable connection. Run the Keyboard Controller test in Dell Diagnostics. KEYBOARD STUCK KEY FAILURE For external keyboards or keypads, check the cable connection. Restart the computer, and avoid touching the keyboard or keys during the boot routine. Run the Stuck Key test in Dell Diagnostics.
Table 16. Diagnostic error messages (continued) Error messages Description problem persists, try to restore the data by entering the System Setup program, then immediately exit the program. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK STOPPED The reserve battery that supports the system configuration settings may require recharging. Connect your computer to an electrical outlet to charge the battery. If the problem persists, Contact Dell.
NOTE: For computers in which Intel Optane memory acts as a primary storage, do not disable the Intel Optane memory. The Disable option will be grayed out. 4. Click Yes if you accept the warning. The disabling progress is displayed. 5. Click Reboot to complete disabling your Intel Optane memory and restart your computer. Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery.
9. Double-click the BIOS update file icon and follow the instructions on the screen. Flashing the BIOS from the F12 One-Time boot menu Update your computer BIOS using the BIOS update.exe file that is copied to a FAT32 USB drive and booting from the F12 OneTime boot menu. About this task BIOS Update You can run the BIOS update file from Windows using a bootable USB drive or you can also update the BIOS from the F12 OneTime boot menu on the computer.
5. Turn on the wireless router. 6. Turn on the modem. 7. Turn on your computer. Flea power release About this task Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: Steps 1. Turn off your computer. 2. Disconnect the power adapter from your computer. 3. Press and hold the power button for 15 seconds to drain the flea power. 4.
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 17. 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.
