Turn off the laptop.
Turn the machine on (press its power button). Now, start pressing the F8 key as soon as the HP logo appears. Press the said key repeatedly until a startup screen appears.
Highlight the safe mode option using the up/down arrow keys and press enter.
Select an administrator user account when the windows login screen displays and enter your password (if any).
When the desktop appears, press the windows button on the menu then click inside the search bar.
Type cmd then press Enter.
At the command prompt window, type rstrui then again press enter. The restore System screen opens.
Click next then choose the last restore point that worked (from the displayed options) then click next
Now click finish then wait for the...