w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

 

 

 

 

Memory modules are detected, but a

• If you have one memory module

 

 

 

memory failure has occurred.

installed, reinstall it (see page 57) and

A

B

C

D

restart the computer.

• If you have two or more memory

 

 

 

 

 

 

 

 

modules installed, remove the

 

 

 

 

modules, reinstall one module (see

 

 

 

 

page 57), 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 57).

 

 

 

 

• If the problem persists, contact Dell

 

 

 

 

(see page 105).

 

 

 

 

 

 

 

 

A possible graphics card failure has

• If the computer has a graphics card,

 

 

 

occurred.

remove the card, reinstall it (see

A

B

C

D

page 60), 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 105).

 

 

 

 

 

 

 

 

A possible floppy or hard drive failure

Reseat all power and data cables and

 

 

 

has occurred.

restart the computer.

A

B

C

D

 

 

 

 

 

 

 

 

 

A possible USB failure has occurred.

Reinstall all USB devices, check cable

 

 

 

 

connections, and then restart the

 

 

 

 

computer.

A B C D

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38

Advanced Troubleshooting

Page 38
Image 38
Dell 4700 manual Restart the computer, If you have two or more memory, Modules installed, remove, 57, and then restart, See

4700 specifications

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