Acer TravelMate a-550 Series, User Manual

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6 Troubleshooting 82
0250 System battery is dead -
Replace and run SETUP CMOS clock battery needs to be replaced.
Contact your dealer or an authorized
service center.
0251 System CMOS checksum
bad - Default configuration
used CMOS has been corrupted or modified
incorrectly.
Enter the BIOS Setup Utility and verify the
parameters; then save and restart your
computer.
If the problem persists, contact your dealer
or an authorized service center.
0260 System timer error System timer test failed, and the system
board needs to be repaired.
Write down the message and contact your
dealer or an authorized service center.
0270 Real time clock error Real time clock test failed, and the system
board may need to be repaired.
Write down the message and contact your
dealer or an authorized service center.
0271 Check date and time
settings Date and time are out of range, and was
reset.
Enter the BIOS Setup Utility and set the
correct date and time.
0280 Previous boot incomplete
- Default configuration used Previous boot-up was not completed
successfully.
Enter the BIOS Setup Utility and verify the
parameters (try loading the default
settings); then save and restart your
computer.
0281 Memory Size found by
POST differed from CMOS Try reinstalling the memory. See
“Installing memory” on page 47.
If the problem persists, contact your dealer
or an authorized service center.
02B0 Diskette drive A error
02B2 Incorrect Drive A type -
run SETUP Floppy drive test failed, and may need to
be repaired or replaced.
Contact your dealer or an authorized
service center.
Error Messages Corrective Action
TMa550.book Page 82 Wednesday, October 3, 2001 10:57 AM