Solving Problems with Your Computer
Troubleshooting Techniques
104 Reference Guide
If you get a “System Error: Unable to read drive” message when running a CD
program or a movie on the DVD drive
= For a single-sided CD or DVD, make sure the disc is placed into the drive with the
label facing up.
= Make sure the DVD or CD is clean.
= Make sure the DVD or CD has been snapped down onto the spindle.
= Wait 5 to 10 seconds after closing the DVD tray to give the computer sufficient time
to recognize the CD or DVD.
= Restart the system:
1. Remove the CD or DVD.
2. Click Start, Shut Down, Restart.
3. Click OK.
If the DVD movie doesn’t fill the screen
= On a double-sided DVD, each side may have a different format (standard or
widescreen). In the widescreen format, black bands appear at the top and bottom of
the screen. To view the standard format, flip the disc over and play the other side.
You may also want to test the DVD drive with diagnostics. See “Testing Hardware
Operation.”
Hard disk drive problems
If the computer’s hard drive doesn’t spin
= Make sure the computer has power. If necessary, connect the AC adapter, making sure
it is plugged into a power source and into the rear of the computer.
If the hard disk makes a buzzing or whining noise
= Back up the drive immediately.
= Check for alternate noise sources, such as the fan or a PC card drive.
If files are corrupted
= Run the virus-scanning program.
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