Acer Aspire 4520 Aspire 4220 / 4520 User's Guide EN - Page 99

Troubleshooting, Troubleshooting tips, Error messages - cmos battery

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80 English 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 43. 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 to reboot. Equipment configuration error Press (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 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 error Contact your dealer or an authorized service center. Memory size mismatch Press (during POST) to enter the BIOS utility, then press Exit in the BIOS utility to reboot.

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80
English
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 43
.
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
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.