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Solving Problems
Dell™OptiPlex™SX280User'sGuide
Battery Problems
Fill out the Diagnostics Checklist as you complete these checks.
Drive Problems
Fill out the Diagnostics Checklist as you complete these checks.
CD and DVD drive problems
Problems writing to a CD/DVD-RW drive
Restoring Default Settings
Lockups and Software Problems
Serial or Parallel Device Problems
Sound and Speaker Problems
Video and Monitor Problems
CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type
recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Replacethebattery— If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or
date displays during start-up, replace the battery (see "Battery"). If the battery still does not work properly, contact Dell.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Testthedrive—
l Insert another floppy disk, CD, or DVD to eliminate the possibility that the original one is defective.
l Insert a bootable floppy disk and restart the computer.
Cleanthedriveordisk— See "Cleaning Your Computer."
Check the cable connections
Check for Software and Hardware Conflicts
NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.
AdjusttheWindowsvolumecontrol—
l Click the speaker icon in the lower-right corner of your screen.
l Ensure that the volume is turned up by clicking the slidebar and dragging it up.
l Ensure that the sound is not muted by clicking any boxes that are checked.
Checkthespeakersandsubwoofer— See "Sound and Speaker Problems."
