52 Troubleshooting
The screen is blank or difficult to read
ENSURE THAT THE DISPLAY IS TURNED ON —See "Front View of the Computer" on
page15.
TEST THE ELECTRICAL OUTLET —Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
ROTATE THE DISPLAY TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE
INTERFERENCE
ADJUST THE WINDOWS DISPLAY SETTINGS —
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Personalization
→
Display Settings
.
2
Adjust
Resolution
and
Colors settings,
as needed.
Drive Problems CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
ENSURE THAT MICROSOFT® WINDOWS® RECOGNIZES THE DRIVE —
Windows Vista™:
• Click the Windows Vista Start button and click
Computer
.
If the drive is not listed, perform a full scan with your antivirus software to check for
and remove viruses. Viruses can sometimes prevent Windows from recognizing the
drive.
TEST THE DRIVE —
• Insert another disk to eliminate the possibility that the original drive is defective.
• Insert bootable media and restart the computer.
CLEAN THE DRIVE OR DISK —See "" on page49.
CHECK ANY ACCESSIBLE CABLE CONNECTIONS
RUN THE HARDWARE TROUBLESHOOTER—See "Troubleshooting Software and
Hardware Problems in the Microsoft® Windows® Vista™ Operating Systems" on
page78.
RUN THE DELL DIAGNOSTICS —See "Dell Diagnostics" on page65.