Table 1-4. Diagnostic Indicator Codes (continued)

Code

Causes

Corrective Action

 

 

 

 

Possible USB failure.

See "Troubleshooting a USB Device" on

 

 

page 95.

A B C D

No memory modules

See ""Troubleshooting System Memory" on

detected.

page 100.

A B C D

 

 

 

System board failure.

See "Getting Help" on page 121."

A B C D

 

 

 

Memory configuration

See "Troubleshooting System Memory" on

error.

page 100.

A B C D

 

 

 

Possible system board

See "Getting Help" on page 121."

resource and/or system

 

board hardware failure.

 

A B C D

 

 

 

Possible expansion card

See "Troubleshooting Expansion Cards" on

failure.

page 108.

A B C D

 

 

 

Other failure.

Ensure that the diskette drive, optical drive,

 

and hard drive(s) are properly connected. See

A B C D

"Troubleshooting Your System" on page 91" for

the appropriate drive(s) installed in your

 

system.

 

If the problem persists, see "Getting Help" on

 

page 121."

 

 

The system is in a normal

Information only.

operating condition after

 

POST.

 

A B C D

 

= y e l l o w

= g r e e n

= o f f

16About Your System