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Repair information for Lenovo ThinkPad L440. A 14" laptop released in October 2013.

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Black screen with 5 beeps

I have a problem that when I press the power button, I see the button light up, but the screen does not work, and I hear the sound of 5 beeps repeated twice, and then nothing happens like this. It used to work like this before, but I left it for a minute or more and it started working, but now there is no help possible to solve this problem or find out the reason. ?

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Hi,

If you can enter BIOS with F1 at startup you can try setting everything to default settings and see if that resolves the startup problem.

If the system starts fine then you can go back into BIOS and change settings one at a time (reboot after each change) to see which change causes the fault.

If you are unable to enter BIOS then you have a major problem.

Good luck

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F.A.M さん、ありがとうございました!
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