Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

A possible graphics card failure

• If the computer has a graphics card, remove the

 

has occurred.

card, reinstall it (see page 71), and then restart

 

 

the computer.

 

 

• If the problem still exists, install a graphics card

 

 

that you know works and restart the computer.

 

 

• If the problem persists or the computer has

 

 

integrated graphics, contact Dell (see page 116).

 

 

 

 

A possible floppy or hard drive

Reseat all power and data cables and restart

 

failure has occurred.

the computer.

 

 

 

 

A possible USB failure

Reinstall all USB devices, check cable

 

has occurred.

connections, and then restart the computer.

 

 

 

 

No memory modules

• If you have two or more memory modules

 

are detected.

installed, remove the modules, reinstall one

 

 

module (see page 64), 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 64).

 

 

• If the problem persists, contact Dell

 

 

(see page 116).

 

 

 

 

Memory modules are detected,

• Ensure that no special memory module/memory

 

but a memory configuration or

connector placement requirements exist

 

compatibility error exists.

(see page 62).

 

 

• Verify that the memory modules that you are

 

 

installing are compatible with your computer

 

 

(see page 62).

 

 

• If the problem persists, contact Dell

 

 

(see page 116).

 

 

 

44

Troubleshooting Tools

Page 44
Image 44
Dell T8144 manual Computer, If the problem persists or the computer has, Connector placement requirements exist, See