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HP Pavilion dv4-5113cl, turns on but blank screen

When I turn on the laptop a couple of things happen.

  • It turns on (Literally, the fans start, the dvd drive spins, etc) but nothing on the screen
  • Power LED next to button lights up
  • wifi LED lights up
  • power LED on SIDE lights up
  • HDD LED on side lights up
  • DVD drive button light briefly lights up

-However the computer is completely unresponsive. Pressing caps lock for example, does not turn on the caps lock LED, and pressing the wifi key does not turn that one off.

-There is of course no video output whatsoever. I tried plugging a working monitor to it but it received no signal, so the issue isn't a faulty display.

-There is no sound. Even if there were a display issue, if the computer booted it would still make sounds when reaching the login screen especially if I tried typing.

-Lastly, I would like to point out that no LEDs blink to signify a known error like bios corruption or CPU failure.

 

I already tried doing a hard reset multiple times.

 

Any ideas?


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