|A search for 'HP laptop recovery' found the following:|
Here are recovery instructions for HP/Compaq laptops.
1. Reboot, and repeatedly press F10 at the HP logo until the recovery screen appears.
2. When the recovery screen appears, press "Next" and then "Yes" to perform a non-destructive recovery.
3. To perform a destructive recovery, click "Advanced" and then "Yes".
4. After the recovery is finished, the laptop will reboot.
Did you 'repeatedly' tap the F10 key?
Is the keyboard working?
If someone has deleted the hidden restore partition, it might' act like that.