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If your laptop computer turns on but the screen stays black or dim without showing anything, use this video to troubleshoot. Starting with your RAM, I will take you through the possible causes all the way to the Motherboard. After this video, you'll know if the issue is your RAM, CMOS Battery, LCD Cable, LCD, or the Motherboard itself. Check out the FAQ's and Related Video Links below !!
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FAQ's:
Q: None of the test here found the issue and it wont display to an external monitor either.
A: If none of the tests here identified the issue and the computer wont even display to an external monitor, then your most likely looking at a motherboard issue. It would then need to be replaced. If you would like help with that operation, let me know :)
Q: The test here don't work but I was able to get it to display to an external display. What now?
A: If the steps seen here do not help but you can get the computer to display to an external monitor, then you have identified the issue as either your LCD Cable or the LCD itself most likely. Try reseating the LCD Cable. See if refreshing the connections help. If not, replace the Cable and the LCD one at a time.
