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AMERICAN COMPUTER

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hello i have this lenovo legion Y540 a 9th series intel cpu with rtx nvidia the problem is that after bios update the screen gone. i turn on without battery and without cmos batery it turn on but power button and power light is blinking, i put the cmos battery and the laptop battery i turn on pressing power button no blinking the power light stay solid but no screen. i am ataching one video of the problem.
 

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if it's a BIOS update problem, you need to use another BIOS instead, but you need to check the actual situation, you can't just listen to customers
 

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