Asus x555l wont turn on but lights are on

Jul 1, 2018
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Been using this laptop for almost three years now and it was working all day today but now for some reason it just won't boot up. Black screen with no back light and no noise can be heard when you turn it on. But the power lights on the front of it are on. What does this mean?
 
Since the power lights are on, try this...

1. Turn the laptop off (not sleep or hibernate but off).
2. Connect an external monitor to the laptop.
3. Turn on the external monitor.
4. Turn on the laptop.

NOTE: You may have to press an "external monitor" button. Could be the f4 button or a button with two monitors on it, for the external monitor to work.

If you can see fine on the external monitor, then your attached display, or the ribbon cable that connects it, are your problem.

If you can't see on the external monitor at all, or the problem occurs on the external monitor as well, then it is probably the graphics card/GPU that is the problem, which may require the motherboard be replaced.
 
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