Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

A possible graphics card failure has

• If the computer has a graphics card,

 

occurred.

remove the card (see page 76), reinstall

 

 

it, 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, contact Dell

 

 

(see page 126).

 

 

 

 

A possible floppy drive or hard drive

Reseat all power and data cables and

 

failure has occurred.

restart the computer.

A possible USB failure has occurred.

Reinstall all USB devices, check cable connections, and then restart the computer.

No memory modules are detected.

• If you have two or more memory

 

modules installed, remove the

 

modules, reinstall one module (see

 

page 74), 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 74).

 

• If the problem persists, contact Dell

 

(see page 126).

 

 

Memory modules are detected, but a

• Ensure that no special memory

memory configuration or compatibility

module/memory connector placement

error exists.

requirements exist (see page 72).

 

• Verify that the memory modules that

 

you are installing are compatible with

 

your computer (see page 72).

 

• If the problem persists, contact Dell

 

(see page 126).

 

 

54

Troubleshooting Tools

Page 54
Image 54
Dell 9150 Light Pattern Problem Description Suggested Resolution, If the computer has a graphics card, See, Computer see