17. Non-Functioning Device

Non-functioning device.

Reseat device.

Unplug the non-functioning device from the unit. Inspect cables and

plugs for bent or broken pins or other damage.

Any physical

Y

Fix or replace

damage?

 

 

broken item.

 

 

 

 

N

Clear CMOS.

Reattach device.

Close computer,

Hard drive or CD-ROM

N

plug in power,

drive

and reboot.

Possible bad hard drive. Replace drive.

Drive boots properly?

 

 

 

 

 

 

 

NIC

 

Device boots

 

N

 

 

Possible bad NIC. Replace

 

 

 

 

card. If integrated NIC,

 

 

 

 

 

 

 

properly?

 

 

 

 

 

 

 

 

 

 

 

replace system board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

Diskette drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Possible bad diskette

 

 

 

 

 

 

 

 

 

Done

 

 

 

 

 

drive. Replace drive.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

Done

3-18 Troubleshooting Flowcharts for Portable Computers