Acer TravelMate a-550 Series, User Manual

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6 Troubleshooting 84
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 Setup
Utility. See “BIOS Setup Utility” on page 64.
I/O device IRQ conflict I/O device has IRQ (Interrupt Request)
conflict.
Enter the BIOS Setup Utility and verify the
parameters (try loading the default
settings); then save and restart your
computer.
Operating system not found Operating system cannot be found on the
boot device.
Enter the BIOS Setup Utility and verify the
hard disk, floppy drive, and boot
parameters (try loading the default
settings); then save and restart your
computer.
If the problem persists, you may need to
recover your hard disk, or reinstall the
operating system.
Parity Check 1 nnnn Parity error found on system bus.
Write down the message and contact your
dealer or an authorized service center.
Parity Check 2 nnnn Parity error found on I/O bus.
Write down the message and contact your
dealer or an authorized service center.
Error Messages Corrective Action
TMa550.book Page 84 Wednesday, October 3, 2001 10:57 AM