Sharp PC-A800 Series Manual page 88

Trouble when Starting
Question: Why doesn't the power switch function?
Make sure the AC power cable is correctly connected to a live power outlet.
If the computer is operating with batteries, the batteries may be discharged.
Connect the computer to a power outlet.
Question: Why doesn't Windows start?
Check whether the floppy disk drive unit contains a non-system disk. Remove the
floppy disk from the drive, and press any key.
If you are attempting to boot from the floppy disk drive, check to make sure the
disk is fully inserted and seated into the drive.
If you attempt to boot from the floppy disk drive, check whether the Floppy
Diskette is set to the first in the Boot menu of the setup utility.
Question: Why do I get a non-system disk or disk error message?
You may have inserted a non-bootable disk in the floppy disk drive (either a
defective disk or one without an installed operating system). Remove the disk.
If this message is issued when you attempt to boot from your hard disk drive,
insert a bootable disk into the floppy disk drive unit and check the status of your
hard disk drive.
Check whether the items Diskette A: and Primary Master are correctly set in the
Main menu of the setup utility.
Question: Why do I get the message Operating system not found?
If you get this message when starting from the hard disk, insert the boot up disk
into the floppy disk drive unit; then check the condition of the hard disk.
Enter the setup utility and check the status of the hard disk. Check the size of the
hard disk and make sure the item Primary Master of the Main menu is set to Auto.
A-2