I spilt water on my laptop which has a broken screen

Apr 22, 2018
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Laptop: https://support.hp.com/gb-en/document/c05536973
At first i had broken my laptop screen and then spilt water on it. the laptop dint switch on for a few days but, after a week or so it started switching on. i couldn't see anything on the laptop as it had a broken screen (cracked) so i tried to connect it to an external monitor via HDMI, that didn't work as the laptop didn't connect at all. now I'm opting to replace the screen via this website: https://www.screens.uk/HP-Compaq-PAVILION+POWER+15-CB060SA-model.htm
i know the screen is correct, but im fearful of my laptop not working even after ive replaced the screen as i think the keyboard isnt responding to anything. normally i can toggle the laptop keyboard backlight on/off, and the mute button on the fn button line which turns red when pressed, however, now i try to press it, nothing happens. but the caps lock key does show a white light hen toggled.
also when i connect a HDMI cable to the laptop, an electric, vibration feeling comes over all the metal parts of the laptop.
 
Apr 22, 2018
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MERGED QUESTION
Question from shaikh.huzaifah007 : "i spilt water on my laptop which has a cracked screen"



laptop: https://www.pcworld.co.uk/gbuk/computing/laptops/laptops/hp-pavilion-power-15-cb060sa-15-6-laptop-black-10164666-pdt.html

ok so a few weeks back i cracked the screen of my laptop, the whole screen was just different lights and cracks; no image whatsoever. then only a few hours later i had water spilt on it. i put it to dry for about a week then checked back on it. it booted up, i could tell by the different screen colour changes. i tried to connect it to an external monitor via HDMI but there was no image, i tried the fn key combos to connect, nothing. i noticed something strange happening; everytime i connected the HDMI cable, all the metal parts of my laptop would give off this electrical, vibration feeling. i have now opted to replace the display as it is fairly easy. heres the part: http://www.laptop-lcd-screen.co.uk/shop/HP-COMPAQ-PAVILION-POWER-15-CB060SA-15.6-LAPTOP-SCREEN__246273.asp
however, im scared of not replacing the part as ive now found out that the keyboard may not be responding. the sound may not be responding either. whenever i plug in a usb, there is no sound to notify me. normally my keyboard has a backlight which can be toggled on/off using the fn keys, however, now i press it nothing happens. but the caps lock key light does work.

could anyone tell me any ways in which i could test whether my laptop is still working even though the screen is broken and it doesnt connect to HDMI. should i replace the screen (im scared that after i do, the water damage will cause the laptop to not work)
 
Apr 22, 2018
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yh ive already done that, any ideas on how to test to see whether if the keyboard works or the laptop itself?