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If Something Goes Wrong
Resolving a hardware conflict
The computer displays the
Non-system disk or disk error message.
If you are starting the computer from a diskette, the diskette in the
drive does not have the files necessary to start the computer.
Replace it with a bootable diskette.
The drive cannot read a diskette.
Try another diskette. If you can access the second diskette, the first
diskette (not the drive) is probably causing the problem. Run Error-
checking on the faulty diskette (for instructions see “Disk drive
problems” on page 191).
Optical drive problems
You cannot access a disc in the drive.
If the optical drive is an external drive, make sure that the drive’s
cable is properly connected to the computer.
Make sure the tray that holds the CD or DVD is closed properly.
Press gently until it clicks into place.
Open the tray and remove the disc. Make sure the tray is clean. Any
dirt or foreign object can interfere with the laser beam.
Examine the disc to see if it is dirty. If necessary, wipe it with a
clean cloth dipped in water or a neutral cleaner.
Replace the disc in the tray. Make sure that the disc is lying flat,
label side up. Close the tray carefully, making sure it has shut
completely.
You press the disc eject button, but the drive tray does not
slide out.
Make sure the computer is connected to a power source and turned
on. The optical drive eject mechanism requires power to operate.
Make sure a program is not accessing the drive and preventing it
from ejecting.
If you need to remove a disc and cannot turn on the computer (for
example, if the battery is completely discharged), use a narrow
object, such as a straightened paper clip, to press the manual eject
button. This button is in the small hole next to the optical drive eject
button on the face of the optical drive tray.
Never use a pencil to press the manual eject button. Pencil lead can
break off inside the computer and damage it.