Precision 3650 Tower Service Manual Regulatory Model: D24M Regulatory Type: D24M005 April 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.
1 Working inside your computer Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. WARNING: Before working inside your computer, read the safety information that is shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.
3. Disconnect your computer and all attached devices from their electrical outlets. 4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 5. Remove any media card and optical disc from your computer, if applicable.
Perform the following steps to prevent ESD damage: ● Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage. ● Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.
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 Disassembly and reassembly Recommended tools The procedures in this document may require the following tools: ● Phillips #0 screwdriver ● Phillips #1 screwdriver ● Philips #2 screwdriver ● Plastic scribe-Recommended for field technician ● T-30 torx screwdriver Screw List The following table shows the screw list and the images for different components. 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.
Major components of your system 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Side cover Memory module I/O panel Fan and Heat-sink assembly Processor Solid-state drive Power button System board Chassis Front bezel 3.5-inch Hard-drive System fan Graphics card Optical drive (Optional) Power-supply unit Side cover Removing the side cover Prerequisites 1. Follow the procedure in before working inside your computer.
Disassembly and reassembly 9
Steps 1. Remove the single screw (M6.32x12.7) to unlock the release latch. 2. Pull the release latch to release the side cover from the computer. 3. Open the side cover towards the side of the computer and lift the cover away from the computer. Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Locate the side cover slot on your computer.
2. Align the tabs on the side cover with the slots on the chassis. 3. Press the side cover gently. 4. The release latch automatically locks the side cover to the computer. 5. Replace the screw (M6.32x12.7) to secure the release latch. Next steps 1. Follow the procedure in after working inside your computer. Power-supply unit cage Opening the power-supply unit cage Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover.
Steps 1. Lay the computer on the right side. 2. Slide the PSU hinge and the PSU release latch to unlock the PSU cage. 3. Lift and open the PSU cage. Closing the power-supply unit cage 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 power-supply unit cage and provide a visual representation of the installation procedure.
Disassembly and reassembly
Steps 1. Rotate the PSU cage 2. Press the PSU cage down and slide the PSU hinge and PSU release latches to lock the PSU cage.. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Front bezel Removing the front bezel Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. About this task The following images indicate the location of the front bezel and provide a visual representation of the removal procedure.
Steps 1. Pry the retention tabs to release the front bezel from the computer. 2. Slightly pull the front bezel and gently rotate to release the other tabs on the bezel from the slots in the computer chassis. 3. Remove the front bezel from the computer. Installing the front bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Position the front bezel to align the tabs on the bezel with the slots on the chassis. 2. Press the bezel until the tabs clicks into place. Next steps 1. Install the 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 side cover. 3. Open the PSU cage.
Steps 1. Pull the securing clips from both side of the memory module until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure.
Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Solid-state drive Removing the M.2 2280 PCIe solid-state drive Prerequisites 1.
Steps 1. Remove the screw (M2x3.5) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2280 PCIe solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the 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 connector. 2. Insert the solid-state drive at a 45-degree angle into the slot on the system board. 3. Replace the screw (M2x3.5) to secure the M.2 2280 solid-state drive to the system board. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer. 2.5-inch hard drive Removing the 2.5-inch hard-disk drive Prerequisites 1.
Steps 1. Disconnect the hard drive data and power cables from the connectors on the 2.5-inch hard-disk drive module. 2. Press the release tabs on both the sides of the hard-disk drive bracket to release it from the slots on the computer chassis. 3. Lift the hard-disk drive assembly from the computer. NOTE: Note the orientation of the hard-disk drive so that you can replace it correctly. Installing the 2.
Steps 1. Press the release tabs on the hard-disk drive bracket and slightly align back to insert the hard-disk drive assembly to the slot on the computer chassis. 2. Connect the hard drive data and power cables to the connectors on the 2.5-inch hard-disk drive module. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer. 3.5-inch hard drive Removing the 3.5-inch hard-disk drive assembly Prerequisites 1.
Steps 1. Lift the side of the PCIe holder that sits on the graphics card. 2. Slide the PCIe holder to release the tab from the slot on the chassis 3. Disconnect the hard drive data and power cables from the connectors on the 3.5-inch hard-disk drive module. 4. Press the release tabs on both the sides of the hard-disk drive bracket to release it from the slots on the computer chassis. 5. Lift the hard-disk drive assembly from the computer.
Steps 1. Press the release tabs on the hard-disk drive bracket and align to insert the hard-disk drive assembly to the slot on the computer chassis. 2. Connect the hard drive data and power cables to the connectors on the 3.5-inch hard-disk drive module. 3. Insert the tab on the PCIe card holder into the slot on the chassis and gently press down until it is secured to the graphics card. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer.
About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure. Steps 1. Remove the (M2x3.5) screw that secures the WLAN card to the system board. 2. Lift the WLAN card bracket away from the WLAN card. 3. Disconnect the antenna cables from the WLAN card. 4. Slide and remove the WLAN card from the connector on the system board.
Steps 1. Connect the antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of 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. Place the WLAN card bracket to secure the WLAN antenna cables. 3. Insert the WLAN card into the connector on the system board. 4. Replace the (M2x3.5) screw to secure the plastic tab to the WLAN card.
Slim optical-drive Removing the Slim-Optical Disk Drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Open the PSU cage. About this task The following images indicate the location of the slim ODD and provide a visual representation of the removal procedure. Steps 1. Disconnect the data and power cables from the slim ODD. 2. Pull the securing tab to release the slim ODD from the chassis. 3. Slide and remove the slim ODD from the ODD slot.
Installing the Slim-Optical Disk 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 slim ODD and provide a visual representation of the installation procedure. Steps 1. Insert the slim ODD assembly into the ODD slot. 2. Slide the slim ODD assembly until it snaps into place. 3.
About this task The following images indicate the location of the graphics card and provide a visual representation of the removal procedure. Steps 1. Locate the graphics card (PCI-Express). 2. Lift the side of the PCIe holder that sits on the graphics card. 3. Slide the PCIe holder to release it from the slot on the chassis 4. Push and hold the securing tab on the graphics-card slot and lift the graphics card from the graphics-card slot.
Steps 1. Align the graphics card with the PCI-Express card connector on the system board. 2. Using the alignment post, connect the graphics card in the connector and press down firmly. Ensure that the card is firmly seated. 3. Insert the tab on the PCIe card holder into the slot on the chassis and gently press down until it is secured to the graphics card. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer.
Steps 1. Disconnect the system fan cable from the connector on the system board. 2. Remove the single (#6-32) screw that secures the system fan bracket to the computer chassis. 3. Slide the system fan and bracket out of the computer. Installing the system fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Position the system fan to align it with the slots on the computer chassis. 2. Replace the single (#6-32) screw that secures the system fan to the computer chassis. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Open the PSU cage. Remove the powered GPU.
Steps 1. Using a plastic scribe, gently pry the coin-cell battery out of the slot on the system board. 2. Remove the coin-cell battery away from the computer. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the installation procedure.
Steps 1. Insert the coin cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector. 2. Press the battery into the connector until it locks into place. Next steps 1. Install the powered GPU. NOTE: This step is required only if the system is configured with powered GPU. 2. Close the PSU cage 3. Install the side cover. 4. Follow the procedure in after working inside your computer.
Steps 1. Disconnect the processor fan cable from the connector on the system board. 2. Loosen the four 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. Installing the processor fan and heat-sink assembly Prerequisites NOTE: If either the processor or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved.
Processor Removing the processor Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Open the PSU cage. Remove the processor fan and heat-sink assembly. NOTE: The processor might still be hot after the computer is shut down. Allow the processor to cool down before removing it. About this task The following images indicate the location of the processor and provide a visual representation of the removal procedure. Steps 1.
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. Installing the processor Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the processor and provides a visual representation of the installation procedure. Steps 1.
Next steps 1. 2. 3. 4. Install the processor fan and heat-sink assembly. Close the PSU cage Install the side cover. Follow the procedure in after working inside your computer. Power button Removing the power button Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Open the PSU cage. Remove the front bezel. About this task The following images indicate the location of the power button and provide a visual representation of the removal procedure.
Intrusion switch Removing the intrusion switch Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Open the PSU cage. About this task The following image indicates the location of the intrusion switch and provides a visual representation of the removal procedure. Steps 1. Disconnect the intruder cable from the connector on the system board. 2. Slide and remove the intrusion switch from the chassis.
Steps 1. Insert the intrusion switch into its slot and slide the switch to secure it into the slot. 2. Connect the intruder cable to the connector on the system board. Next steps 1. Close the PSU cage 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Front I/O panel Removing the IO panel Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Open the front bezel. Open the PSU cage.
Steps 1. Disconnect the IO audio, SD card, USB Type-C and IO USB cables from the connector on the system board. 2. Slide and remove the IO panel from the chassis. Installing the IO panel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the intrusion switch and provides a visual representation of the installation procedure.
Steps 1. Insert the IO panel into its slot and slide the to secure it into the slot. 2. Replace the single (#6-32) screw that secures the IO panel to the computer chassis. 3. Connect the IO audio, SD card, USB Type-C and IO USB cables to the connector on the system board. Next steps 1. 2. 3. 4. Close the PSU cage. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer.
System board System board Layout 1. E24 connector 2. Optional 2.5 GbE RJ-45 connector 3. Processor power connector 4. E25 connector 5. System fan connector 6. Chassis Intrusion Detection connector 7. Memory module slots 8. Power button connector 9. System board power connector 10. SD card connector 11. Front panel USB connector 12. Front panel USB-C connector 13. Front panel USB power connector 14. Cion cell battery 15. SATA 0 (blue), SATA 1 (white), SATA 2 and SATA 3 (black) connectors 16. M.
25. 26. 27. Hard drive fan connectors 28. Front panel audio connector 29. Internal speaker connector 30. M.2 PCIe SSD connector 31. Full Height PCIe x4 slot (open-ended) 32. PCI-32 slot 33. Full Height PCIe x16 slot 34. M.2 PCIe SSD connector 35. Processor fan connector 36. Processor socket 37. Optional video card connector 38. USB-C connector Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer.
Disassembly and reassembly
Steps 1. Disconnect all the cables that are connected to the system board. 2. Remove the eight (#6-32) screws that secure the system board to the chassis. 3. Lift the system board at an angle and remove the system board off the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Slide the rear I/O-ports on the system board into the rear I/O-slots on the chassis 2. Align the screw holes on the system board with the screw holes on the chassis. 3. Replace the eight screws (#6-32) that secure the system board to the chassis. 4. Route and connect all the cables to the connectors on the system board. 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.
3 Drivers and downloads 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 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) Overview Processor ID Displays the processor identification code. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size. Microcode Version Displays the microcode version. Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used.
Table 4. System setup options—Boot Configuration menu (continued) Boot Configuration By default, the option is not enabled. Secure Boot Mode Enable or disable to change the secure boot mode options. By default, the Deployed Mode is enabled. Expert Key Management Enable Custom Mode Enable or disable custom mode. By default, the custom mode option is not enabled. Custom Mode Key Management Select the custom values for expert key management. Table 5.
Table 6. System setup options—Storage menu (continued) Storage Enable SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology (SMART) during computer startup. By default, the Enable SMART Reporting option is not enabled. Drive Information SATA-0 Type Displays the SATA HDD type information of the computer. Device Displays the SATA HDD device information of the computer. SATA-1 Type Displays the SATA HDD type information of the computer.
Table 8. System setup options—Connection menu Connection Network Controller Configuration Integrated NIC Controls the on-board LAN controller. By default, the Enabled with PXE option is enabled. Wireless Device Enable WLAN Enable or disable the internal WLAN device By default, the option enabled. Bluetooth Enable or disable the internal Bluetooth device By default, the option enabled. Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on-board LAN Controller.
Table 9. System setup options—Power menu (continued) Power By default, the Intel Speed Shift Technology option is enabled. Table 10. System setup options—Security menu Security TPM 2.0 Security TPM 2.0 Security On Enable or disable TPM 2.0 security options. By default, the TPM 2.0 Security On option is enabled. Attestation Enable Enables to control whether the Trusted Platform Module (TPM) Endorsement Hierarchy is available to the operating system. By default, the Attestation Enable option is enabled.
Table 11. System setup options—Passwords menu (continued) Passwords Password Configuration Upper Case Letter Reinforces password must have at least one upper case letter. By default, the option is disabled. Lower Case Letter Reinforces password must have at least one lower case letter. By default, the option is disabled. Digit Reinforces password must have at least one digit. By default, the option is disabled. Special Character Reinforces password must have at least one special character.
Table 12. System setup options—Update, Recovery menu (continued) Update, Recovery SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain computer errors. By default, the option is enabled.
Table 14. System setup options—Keyboard menu (continued) Keyboard By default, the option is enabled. Numlock LED Enable Numlock LED Enable or disable Numlock LED. By default, the option is enabled. Device Configuration Hotkey Access Device Configuration Hotkey Access Enable or disable users to access device configuration by using hotkeys. By default, the option is enabled. Table 15.
Table 17. System setup options—Performance menu (continued) Performance By default, the option is enabled. C-States Control Enable C-State Control Enable or disable additional processor sleep states. By default, the option is enabled. Intel Turbo Boost Technology Enable Intel Turbo Boost Technology Enable or disable Intel TurboBoost mode of the processor. By default, the option is enabled.
About this task NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re enabled after the BIOS update is completed. Steps 1. Restart the computer. 2. Go to Dell.com/support. ● Enter the Service Tag or Express Service Code and click Submit. ● Click Detect Product and follow the instructions on screen. 3. If you are unable to detect or find the Service Tag, click Choose from all products. 4. Choose the Products category from the list.
Figure 1. DOS BIOS Update Screen System and setup password Table 19. 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. CAUTION: The password features provide a basic level of security for the data on your computer.
● Only lower case letters are valid, upper case letters are not allowed. ● Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`). 3. Type the system password that you entered earlier in the Confirm new password field and click OK. 4. Press Esc and a message prompts you to save the changes. 5. Press Y to save the changes. The computer reboots.
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.
System diagnostic lights Power-supply diagnostics light Indicates the status of the power-supply in either of the two sates: ● Off: No Power ● On: Power is supplied. Power button light Table 20. Power button LED status Power button LED state System state Description Off ● S4 ● S5 There is in Hibernate or Off state.
Table 21. Diagnostic LED status (continued) Blinking pattern Problem description Suggested resolution 2 5 Invalid Memory installed ● Reset the memory module. ● If problem persists, replace the memory module. 2 6 System board error, chipset error, clock failure, gate A20 failure, super I/O failure, keyboard controller failure ● Flash latest BIOS version. ● If problem persists, replace the system board. 3 1 CMOS battery failure ● Reset the CMOS battery connection.
Table 22. Diagnostic error messages (continued) Error messages Description DATA ERROR The hard drive cannot read the data. DECREASING AVAILABLE MEMORY One or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them. DISK C: FAILED INITIALIZATION The hard drive failed initialization. Run the hard drive tests in Dell Diagnostics. DRIVE NOT READY The operation requires a hard drive in the bay before it can continue.
Table 22. Diagnostic error messages (continued) Error messages Description INVALID CONFIGURATION INFORMATION-PLEASE RUN SYSTEM SETUP PROGRAM The system configuration information does not match the hardware configuration. The message is most likely to occur after a memory module is installed. Correct the appropriate options in the system setup program. KEYBOARD CLOCK LINE FAILURE For external keyboards, check the cable connection. Run the Keyboard Controller test in Dell Diagnostics.
Table 22. Diagnostic error messages (continued) Error messages Description SEEK ERROR The operating system cannot find a specific track on the hard drive. SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery.
Flashing BIOS (USB key) Steps 1. Follow the procedure from step 1 to step 7 in "Flashing the BIOS" to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information see the knowledge base article SLN143196 at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive. 4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6.
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 23. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.