Working PSU and battery. Why does my pc not show any signs of life?
I have an Hp pavilion x350 15-cr0087cl. The laptop worked great but had a crack on the back cover. When removing the back cover I cracked the screen. Bought both new screen and cover on Amazon, but upon testing the new screen the laptop made a strange noise and did not boot. I figured it was the wrong screen so I removed it and tested on hdmi monitor and now it is lifeless. I ended up removing all components including motherboard and tested them one by one. Still unclear what is wrong with it. The led indicator only comes on when removing the battery and plugging into the wall; however, the on button doesn’t cause the laptop to boot. I know that the issue has something to do with the new screen I was attempting to install, because I was playing valorant on the laptop only a few hours earlier. Wondering if anyone else has any insight to my issue. Mainly wondering if it is fixable or if it is a lost cause.
Update (04/26/2022)
Update on the hp pavilion:
In an attempt to get something out of the laptop I removed all accessories, including speakers, screen, hard drive, ssd m.2 drive, keyboard, touch pad, and fan. After plugging it in only after a few seconds there was a loud pop that came from what I think is the GPU, and had thermal paste debris land on my face which was quite hot. Upon inspection, I noticed the thermal paste is completely removed from what I called the GPU. Also looks like there is a tiny dot on the “GPU”. Not sure if this is some kind of damage or if it’s just burnt thermal paste. I would still appreciate some insight to my previous questions. Mainly if I should just scrap the laptop or if it’s fixable. I checked online and found some motherboards for sale however it doesn’t seem worth is to buy $180 motherboard and $150 screen, when I could buy a new or used laptop for the same price and with better specs.
Image of it plugged in. Only response is from led indicator.
Motherboard and close up of what I think is the GPU.
Update (04/27/2022)
Cleaned up the paste to get a better look and it looks awful. That pop and debris must have been more than just thermal paste.
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