Laptop goes on screen black no sound

JeremyFTW · Dec 23, 2015

so i got a laptop from a friend with some problems.
its a packard bell laptop accu is ok tried to connect it with hdmi and press the switch screen button(its fn+ f4 or something like that) and i got no screen no sounds i can hear the fans i tried anti-ghosting normally you hear bleeps or something but nothing

anyone had this problem before or knows how to fix it?

Laptop_Nerd · Dec 23, 2015

Hi,

Do you see anything when you use the built in display of that laptop?
- Do a hard reset first, remove the battery and AC adapter then press and hold the power button for 20 seconds then boot it up without the external monitor connected and see if it will load normally.
- Once it's loaded on to the desktop screen press the Windows key + P at the same time and select between Extended or Duplicate display then press Enter.

If the screen is broken and if you want to make the external display as the default monitor for the mean time, remove the ribbon cable that connects the built in display to the motherboard then you can connect the external monitor using HDMI connection and you would be able to use it even inside BIOS.

JeremyFTW · Dec 24, 2015

Laptop_Nerd :

the screen is broken i think but i dont know cuz i dont see or hear anything did a hard reset just now still nothing. gonna open it up and unattach the screen wire later today will let you know if it works or not!
thanks vor your help!

JeremyFTW · Dec 24, 2015

Laptop_Nerd :

i have problems inscrewing it and i dont know why i had every screw out and i couldnt pull the bottom from the top?

JeremyFTW · Dec 24, 2015

Laptop_Nerd :

i have problems inscrewing it and i dont know why i had every screw out and i couldnt pull the bottom from the top?

jarotech · Dec 24, 2015

Hi, you don't need to unplug the cable for the screen to use an external monitor. When the laptop is off, push the power button and close the lid, the laptop should use the external monitor instead of the internal.

JeremyFTW · Dec 31, 2015

jarotech :

it didnt work

so does that mean other hardware is broken such as the gpu or is this a wrong diagnose

jarotech · Dec 31, 2015

Last test you can try, remove the battery and adapter, hold the power button for 30 seconds, put back the adapter and try to boot. If it does boot, something on the motherboard is defective.

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Laptop goes on screen black no sound

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