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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 27.
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.
If you still encounter problems after going through the corrective measures, please contact
your dealer or an authorized service center for assistance. Some problems may be solved
using the BIOS utility.
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 configuration
error
Press <F2> (during POST) to enter the BIOS utility, 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 type
error
Contact your dealer or an authorized service center.
I/O parity error Contact your dealer or an authorized service center.
Keyboard error or no
keyboard connected
Contact your dealer or an authorized service center.
Keyboard interface error Contact your dealer or an authorized service center.
Memory size mismatch Press <F2> (during POST) to enter the BIOS utility, then press
Exit in the BIOS utility to reboot.