Reset the BIOS
1. Turn on your HP laptop with Windows Vista or Windows 7 and press the 'Esc' key repeatedly to access the startup Menu. Press 'F10' to access the BIOS.
2. Press 'F9' to restore the BIOS to its default settings. Press 'Enter' to verify that you want to restore the BIOS default settings.

3. Press 'F10' to save your changes and exit the BIOS. Press 'Enter' to confirm that you want to save the BIOS changes and continue booting up the laptop. Proceed to Section 2.
HP Hard Disk Test
4. Hold the Power button down for 15 seconds when the laptop is turned on to turn off the laptop.
5. Press the Power button again to turn on the laptop and press the 'Esc' key repeatedly to access the startup Menu.
6. Press 'F2' to access the System Diagnostics. Click 'Hard Disk Test' to begin testing the hard drive. If 'Pass' is displayed after all of the tests then the program fixed the error. If 'Fail' is displayed after any of the tests, proceed to Section 3 if you are using Windows Vista and Section 4 if you are using Windows 7.
Recover Windows Vista Factory Settings
7. Click 'Start,' 'All Programs,' 'Recovery Manager' and 'Recovery Manager' again to open the HP Recovery Manager.
8. Click 'Advanced Options,' then click 'System Recovery' and 'Next.' The laptop will restart and will boot up to the HP Recovery Manager.
9. Click 'System Recovery' and click 'Next.' Click 'No' when asked if you want to use Microsoft System Restore and click 'Next.' Select 'Recover without backing up your files' and click 'Next.' Click 'Next' to begin the recovery process. When the process is finished the laptop will restart and boot to the Windows Vista setup screen.
Recover Windows 7 Factory Settings
10. Click 'Start,' 'All Programs,' 'Recovery Manager' and 'Recovery Manager' again to open the HP Recovery Manager.
11. Click 'System Recovery.' The laptop will restart and will boot to HP Recovery Manager. Click 'System Recovery,' then click 'Next.' Click 'No' when asked if you want to use Microsoft System Restore and click 'Next.'
12. Click 'Recover without backing up your files' and click 'Next.' Click 'Next' to begin the recovery process. When the process is finished the laptop will restart and boot to the Windows 7 setup screen.