Troubleshooting Without Diagnostics

 

 

 

 

Solving Minor Problems (Continued)

 

 

 

 

 

 

 

Problem

Possible Solution

 

 

 

 

 

 

Computer does not boot up and Num

Memory may be improperly installed or may be bad.

 

 

Lock LED is blinking; you may hear one

 

 

 

short and two long beeps.

 

The Caps Lock LED is flashing; you may hear one long and two short beeps.

The video controller is not present or is incorrectly initialized. Clear configuration memory (CMOS). If a video card has been added, remove and reseat it.

Computer does not boot up and the Scroll Lock LED is flashing; you may hear two long and one short beeps.

System board hardware failure (prior to video). Replace system board.

✎If the standard keyboard has been replaced with a Universal Serial Bus (USB) keyboard, you will hear the beep sequences mentioned above but will not see the flashing lights.

Diskette Drive

Problem

 

Possible Solution

 

 

Diskette drive light stays on.

1. Diskette is damaged. In Windows 98, 2000, or Me run

 

 

ScanDisk. Click Start > Programs > Accessories >

 

 

System Tools > ScanDisk.

 

 

In Windows NT, right–click Start, click Explore, and

 

 

select a drive. Select File > Properties > Tools. Under

 

 

Error-checking, click Check Now.

 

2.

Diskette is incorrectly inserted. Remove the diskette and

 

 

reinsert.

 

3.

Software program may be damaged. Check the

 

 

program diskettes.

 

4.

Drive button is not pushed in. Push in drive button.

 

5.

Drive cable is not properly connected. Reconnect drive

 

 

cable.

 

 

 

Diskette drive cannot write to a

1.

Diskette is not formatted. Format the diskette.

diskette.

2.

Diskette is write-protected. Either use another diskette

 

 

 

that is not write-protected or disable the write protection

 

 

on the diskette.

 

3.

Writing to the wrong drive. Check the drive letter in the

 

 

path statement.

 

4.

Not enough space is left on the diskette. Use another

 

 

diskette.

 

5.

Diskette write control is enabled. Check the Removable

 

 

Media write settings in Computer Setup.

 

 

Cannot format diskette.

Invalid media reported. When formatting a diskette in DOS,

 

you may need to specify diskette capacity. For example, to

 

format a 1.44-MB diskette, type the following command at

the DOS prompt: FORMAT A: /F:1440

 

Service Reference Guide

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