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Troubleshooting

This chapter shows you how to deal with common system problems. Read it before calling a technician if a problem occurs. Solutions to more serious problems require opening up the computer. Do not attempt to open the computer yourself; contact your dealer or authorized service center for assistance.

Troubleshooting tips

This notebook PC incorporates an advanced design that delivers onscreen error message reports to help you solve problems.

If the system reports an error message or an error symptom occurs, see "Error messages" below. If the problem cannot be resolved, contact your dealer. See "Requesting service" on page 33.

Error messages

If you receive an error message, note the message and take the corrective action. The following table lists the error messages in alphabetical order together with the recommended course of action.

Error messages

Corrective action

 

 

CMOS battery bad

Contact your dealer or an authorized service center.

 

 

CMOS checksum error

Contact your dealer or an authorized service center.

 

 

Disk boot failure

Insert a system (bootable) disk into the floppy drive

 

(A:), then press <Enter> to reboot.

 

 

Equipment

Press <F2> (during POST) to enter the BIOS utility,

configuration error

then press Exit in the BIOS utility to reboot.

 

 

Hard disk 0 error

Contact your dealer or an authorized service center.

 

 

Hard disk 0 extended

Contact your dealer or an authorized service center.

type error

 

 

 

I/O parity error

Contact your dealer or an authorized service center.

 

 

Keyboard error or no

Contact your dealer or an authorized service center.

keyboard connected

 

 

 

Keyboard interface

Contact your dealer or an authorized service center.

error

 

 

 

Memory size mismatch

Press <F2> (during POST) to enter the BIOS utility,

 

then press Exit in the BIOS utility to reboot.

 

 

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Acer TravelMate 2420 manual Troubleshooting tips, Error messages Corrective action