LED
Power Button
Problem
Description
Memory modules are detected, but a memory power
failure has occurred.
Troubleshooting
Steps
• If two or more memory modules are installed, remove
the modules, then re-install one module and re-start
the computer. If the computer starts normally,
continue to install additional memory modules (one at
a time) until you have identified a faulty module or
reinstalled all modules without error. If only one
memory module is installed, try moving it to a different
DIMM connector and re-start the computer.
• If available, install verified working memory of the
same type into your computer.
LED
Power Button
Problem Description
BIOS may be corrupt or missing.
Troubleshooting Steps The computer hardware is operating normally but the
BIOS may be corrupt or missing.
LED
Power Button
Problem Description
A possible system board failure has occurred.
Troubleshooting
Steps
Remove all peripheral cards from the PCI and PCI-E
slots and re-start the computer. If the computer boots,
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Содержание OptiPlex 390 Mini-Tower
Страница 1: ...Dell OptiPlex 390 Mini Tower Owner s Manual Regulatory Model D12M Regulatory Type D12M001 ...
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Страница 36: ...8 Pry the power switch cable free 9 Slide the power switch cable out through the front of the computer 36 ...
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Страница 52: ...7 Remove the screws that secure the system board to the computer 52 ...
Страница 53: ...8 Slide the system board towards the front of the computer 53 ...
Страница 54: ...9 Carefully tilt the system board to 45 degrees and then lift the system board out of the computer 54 ...
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