Hardware Troubleshooter
If a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter to resolve the incompatibility.
To start the Hardware Troubleshooter:
1.Click Start 
→ Help and Support.
2.Type hardware troubleshooter in the search field and press <Enter> to start the search.
3.In the search results, select the option that best describes the problem and follow the remaining troubleshooting steps.
Using Support Tools
Dell Diagnostics
If you experience a problem with your computer, perform the checks in “Lockups and Software Problems” on page 48 and run the Dell Diagnostics before you contact Dell for technical assistance.
NOTE: Dell Diagnostics works only on Dell computers.
NOTE: The Drivers and Utilities disc may not ship with your computer.
Ensure that the device that you want to test displays in the system setup program and is active. Press <F2> during POST (Power On Self Test) to enter the System Setup (BIOS) utility.
Start the Dell Diagnostics from your hard drive or from the Drivers and Utilities disc.
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