Why is my HP screen black and Caps Lock blinking?

The results point towards an internal failure. If the caps lock light is blinking once every few seconds then it could the CPU as rightly pointed by you. I recommend you to contact our HP phone support to check the available service options for your laptop.

Why is the Caps Lock button blinking on my HP laptop?

A flashing Caps Lock key essentially means that there is some power-related problem that needs to be taken care of. This could be an error with your power supply, or perhaps that your HP laptop cannot appropriately ventilate itself.

How do I restart my HP laptop with a blank screen?

Fix 1: Hard reset your laptop

1. Turn off your laptop.
2. Remove the power, hard drives, the battery and any attached peripheral devices.
3. Press and hold the power button for 60 seconds and release.
4. Put your battery in and plug the charger. Then don’t plug anything else.
5. Boot your laptop again to see if it works now.

What do the lights mean on my keyboard?

If the lights aren’t labelled as such, then they are usually marked with symbols; the symbol containing a number is for Num Lock, the symbol containing a letter is for Caps Lock, and the symbol containing a downwards-facing arrow is for Scroll Lock.

How do I fix my HP laptop black screen?

Hard reset your laptop

1. Turn off your HP laptop or desktop.
2. Detach or unplug any hard drive, battery or any peripheral device.
3. Long press the power button for at least a minute and then release.
4. Now attach the battery into your laptop and plug the charger.
5. Reboot your system to see if it fixes the issue.

How do I fix my Caps Lock light not working?

Try the Keyboard Troubleshooter at Settings > Update & Security > Troubleshoot. Check also at Settings > Time & Language > Region & Language to make sure the correct Language appears, then choose Advanced Keyboard Settings to see if a different input method is chosen in the dropdown menu.