Using Support Tools
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.
Dell Diagnostics
If you experience a problem with your computer, perform the checks in “Lockups and Software Problems” on page 35 and run Dell Diagnostics before you contact Dell for technical assistance.
NOTE: Dell Diagnostics works only on Dell computers.
Ensure that the device that you want to test displays in the system setup utility and is active. To enter the system setup (BIOS) utility, turn on (or restart) your computer and press <F2> when the DELL logo appears.
Start Dell Diagnostics or Dell PC Checkup.
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