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Hello, I have am Acer Aspire 5740G and when I power on the laptop I can hear it work but it doesn’t show anything on the display. I connected the laptop with hdmi on my monitor and the monither show “No signal”. Is there any way to check if the problem is from GPU or from Screen?
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Hi, the problem could be maybe that the RAM modules are dirty, so you should clean the gold bars with an eraser carefully, and then connect it again, if it doesn’t work, try blowing the sockets .
If that doesn’t work, I hope you don’t broke any important component, but don’t worry, first try some tips from internet.
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Hi, i just want to ask if your laptop has a identicated graphics?
If you have found that your laptop have it, could be thats the issue.
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Hi,
Just checking that you pressed Fn +F5 to toggle the display between the internal, external and both screens on together to see if you get a display anywhere?
If you don't get a display at all, then you have a GPU or motherboard problem
из jayeff
@jayeff I am the same guy you are speaking with the Sony Vaio, I have the same problem here. But this laptop does not have a flickering screen. It doesn't open at all.
из Savvas Giannoukas
Hi,
OK
Same deal with display or not in BIOS
If there is a display in BIOS try starting the laptop in safe mode and check if the display works.
If it does you have a driver problem or startup problem.
If there is no display in BIOS or safe mode here's a link to a video so that you can check the LVDS cable connections etc, as per the other answer
из jayeff