What does it mean when Caps Lock and Num Lock are blinking?
Battery and AC Adapter
For some computers, different blinking lights refer to specific issues. A blinking “Caps Lock” key can sometimes mean that there is an issue with your battery or AC Adapter. If your battery LED and “Num Lock” button are also blinking, this can mean the same thing.
Why is my Caps Lock light 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.
Why is my Caps Lock light always on?
A missing or outdated keyboard driver can cause your keyboard malfunction, and that’s possible the reason why your Caps lock stuck on. So you should keep your keyboard driver up to date. There are two ways to update the keyboard driver: manually and automatically.
Why is my Caps Lock light not turning off?
If for some reason, you press the Caps Lock and the light doesn’t turn off, this might be why. Check if pressing the SHIFT key would turn off the CAPS lock. If that does the trick, then the reason is your Windows setting had the CAPS lock only turned off by pressing a SHIFT key selected.