22 Solving Problems
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  NOTICE: Do not attempt to clean drive heads with a swab. You may accidentally misalign the heads, 
which can render the drive inoperable.
CD drive problems
  NOTE: High-speed CD drive vibration is normal and may cause noise, which does not indicate a defect in 
the drive or the CD.
TEST THE DRIVE — 
• Insert another disk to eliminate the possibility that the original floppy disk is defective.
• Insert a bootable floppy disk and reboot the computer.
ENSURE THAT THE DISK IS NOT FULL OR WRITE-PROTECTED — Ensure that the disk has available space and 
that it is not write-protected (locked). See the following figure.
CLEAN THE DRIVE — Use a commercially available cleaning kit.
ADJUST THE WINDOWS VOLUME CONTROL — Click the speaker icon in the lower-right corner of your 
screen.
• Ensure that the volume is turned up by clicking the slidebar and dragging it up.
• Ensure that the sound is not muted by clicking any boxes that are checked.
not write-
protected
back of floppy disk
write-protected