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Surface laptop 4 1951 no disp backlight on
This surface laptop had a backlight flickering. I put some heat on the edp socket and some capacitors around (I think cold solder occurred) the socket, but after some days the problem came back. Then, immediately after turning it on, the system firmware update appeared(black screen with bar ), and during the test(press hand on the socekt) for the edp connector, whether it was broken or not, the system turned off (because when press on camera socket the backlight is got ok) and finally, when it turned on, the backlight was on, but no disp. When I pressed the F4 key to go to the bios, the display...
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I tried this but still no disp.
This surface laptop had a backlight flickering. I put some heat on the edp socket and some capacitors around (I think cold solder occurred) the socket, but after some days the problem came back. Then, immediately after turning it on, the system firmware update appeared, and during the test for the edp connector, whether it was broken or not, the system turned off and finally, when it turned on, the backlight was on, but no disp. When I pressed the F4 key to go to the bios, the display had some horizontal line on the screen with a backlight but no disp...
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HI dear,
Surface laptop 4 1951
Sn: 036094623057
First the black screen system update bar showed and wouldn't complete(due to power off the system) , then the system turned off. After that, the blank screen and "backlight on", then the display wouldn't show surface logo, but the CPU got warm. The original bios have been enclosed. Please check the file and give me the proper bios.
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