Sharp PC-A820 Manual page 86

Trouble with the Hard Disk
Question: Why can't I read or write data to/from the hard disk?
Confirm the drive and file names are correct.
Confirm the hard disk has sufficient free space.
The hard disk in your computer is formatted with FAT32. You cannot read or
write data formatted in other operating systems, which are not FAT 32
compatible. Applications that are not compliant with FAT32 may not work
properly.
Trouble with Floppy Disks
Question: Why can't I read/use a floppy disk?
Confirm the floppy disk drive unit is correctly inserted into the optional floppy
disk drive box or internal drive bay.
Confirm the floppy disk is inserted correctly.
The floppy disk may not be formatted or could be corrupted.
If you cannot write to a floppy disk, the disk may be write-protected. Eject the
disk and ensure that the write-protect tab covers the detection hole.
If you cannot write to a floppy disk, the disk may be full. Use another disk.
Confirm the item Diskette A: is 1.44MB, 3 ½ in the Main menu of the setup
utility.
Check whether the supervisor has set a password prohibiting access to the floppy
disk drive in the Security menu of the setup utility.
Trouble with the Keyboard or Glide Pad
Question: Why doesn't the keyboard or the glide pad function?
Perform a software reset by pressing Ctrl+Alt+Delete.
If you cannot perform a software reset, press the power switch for more than four
seconds to turn off the system. Five seconds later, turn the computer on.
If you still cannot turn off the system with the power switch, use the reset switch
on the bottom of your computer to turn off the system. Five seconds later, turn on
the computer by pressing the power switch.
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