E L I M I N A T E P O S S I B L E I N T E R F E R E N C E — Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.
A D J U S T T H E P O W E R P R O P E R T I E S — See Dell Technology Guide for power management settings.
R E S E A T T H E M E M O R Y M O D U L E S — If the computer power light turns on, but the display remains blank, reinstall the memory modules.
Troubleshooting Software and Hardware Problems in the Windows Vista® Operating System
If a device is either not detected during the operating system setup or is detected but incorrectly configured, use Windows Vista Help and Support to resolve the incompatibility. Windows Vista is a new operating system, so many older devices may not have drivers or applications for Windows Vista. Check with your hardware manufacturer for further information on their device.
To start the Hardware Troubleshooter:
1Click Start 
→Help and Support.
2In the Find an answer section, click Troubleshooting.
OR
Type hardware troubleshooter in the search field, then press <Enter>.
3In the search results, select the option that best describes the problem and follow the troubleshooting steps.
NOTE: If you do not find the answer in the items categorized in Troubleshooting, you can get Online Help by typing in your question in the Search Help field at the top of the window.
Restoring Your Operating System
You can restore your operating system in the following ways:
•Windows Vista® has the Backup and Restore Center that can create backups of important files on your computer, or backup the entire computer. You may then restore your operating system or files if needed.
Troubleshooting
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