Run Dell Diagnostic Test

1. Turn off the computer if it's already on.

2. Turn on the computer

3. At the Dell logo screen, press F12 key several times to enter One-time Boot Menu.

Note: If it loads Windows then repeat process from step 1.

4. Use the arrow keys to select Diagnostics and press the Enter key on the keyboard.

5. Follow the on-screen prompts and respond appropriately to complete the Quick Test diagnostics.