Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

No memory modules are detected.

• If you have two or more memory modules

 

 

installed, remove the modules, reinstall one

 

 

module (see page 63), and then restart the

 

 

computer. If the computer starts normally,

 

 

reinstall an additional module. Continue

 

 

until you have identified a faulty module or

 

 

reinstalled all modules without error.

 

 

• If available, install properly working memory

 

 

of the same type into your computer (see

 

 

page 63).

 

 

• If the problem persists, contact Dell (see

 

 

page 118).

 

 

 

 

Memory modules are detected, but a memory

• Ensure that no special memory

 

configuration or compatibility error exists.

module/memory connector placement

 

 

requirements exist (see page 63).

 

 

• Verify that the memory modules that you are

 

 

installing are compatible with your computer

 

 

(see page 63).

 

 

• If the problem persists, contact Dell (see

 

 

page 118).

A possible expansion card failure has occurred. 1 Determine if a conflict exists by removing a card (not a graphics card) (see page 70) and restarting the computer.

2 If the problem persists, reinstall the card that you removed, remove a different card, and then restart the computer.

3 Repeat this process for each card. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts (see "Resolving Software and Hardware Incompatibilities" on page 49).

4 If the problem persists, contact Dell (see page 118).

Troubleshooting Tools

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Image 45
Dell C7565 manual Ensure that no special memory, Module/memory connector placement, Requirements exist see, See