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. If available, install working memory of the same type into your computer. . If the problem persists, contact Dell. Memory modules are detected, but a memory configuration or compatibility error has occurred. . Ensure that no special requirements for memory module/connector placement exist. . Ensure that the memory you are using is supported by your computer (see the Specifications section for your computer). . If the problem persists, contact Dell. A possible expansion card failure has occurred. . Determine if a conflict exists by removing an expansion card (not a graphics card) and restarting the computer. . If the problem persists, reinstall the card you removed, then remove a different card and restart the computer. . Repeat this process for each expansion card installed. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts. . If the problem persists, contact Dell. Another failure has occurred. . Ensure that all hard drive and optical drive cables are properly connected to the system board . . If there is an error message on the screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to make sure it is functioning properly. Back to Contents Page . If the operating system is attempting to boot from a device (such as the floppy drive or optical drive), check system setup to ensure the boot sequence is correct for the devices installed on your computer. . If the problem persists, contact Dell. Back to Contents Page Expansion Card Dell™ OptiPlex™ 380 Service Manual—Small Form Factor Removing Expansion Cards 1. Follow the procedures in Before Working Inside Your Computer. 2. Push in on the release tab on the card retention latch from the inside, then pivot the latch open. 3. If you are removing a PCI-Express x16 video card go to step 4, else go to step 5. 4. Press the lever on the securing tab until you release the securing tab. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 5. Grasp the card by it top corners and ease it out of its connector. Replacing Expansion Cards To replace the expansion cards, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Fan Dell™ OptiPlex™ 380 Service Manual—Small Form Factor Removing the Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the system board. 3. Remove the diagnostic-lights ribbon cable. 4. Press in on the retaining clips to release the fan from the computer chassis. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 5. Tilt the fan forward and remove it from the computer chassis. Replacing the Fan To replace the fan, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Hard Drive Dell™ OptiPlex™ 380 Service Manual—Small Form Factor Removing the Hard Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Release the cable tie. 3. Disconnect the data cable from the system board. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 4. Press in on the blue securing tabs on each side of the hard-drive assembly and slide the assembly up and out of the computer. 5. Disconnect the hard-drive power cable. 6. Disconnect the hard-drive fan cable. 7. Remove the hard-drive assembly from the computer. 8. Pull on the blue tab to disconnect the hard-drive data cable from the hard-drive assembly. 9. Remove the hard-drive data cable from the outside of the hard-drive assembly. 10. Remove the hard-drive fan cable from the outside of the hard-drive assembly. 11. Lift up on the blue tab and rotate it counter-clockwise to release the hard-drive fan from the hard-drive assembly. 12. Remove the hard-drive fan from the hard drive assembly. 13. Pull back on the blue tabs and pull forward on the hard drive to remove the hard drive from the hard drive assembly. 14. Remove the hard drive from the hard-drive assembly. Replacing the Hard Drive To replace the hard drive, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Heat Sink and Processor Dell™ OptiPlex™ 380 Service Manual—Small Form Factor Removing the Heat Sink and Processor 1. Follow the procedures in Before Working Inside Your Computer. 2. Loosen the screws that secure the heat sink to the system board. 3. Rotate the heat sink towards the back of the computer and remove the heat sink. WARNING: Before working inside your computer, read the safe...