Asus R554L - won't turn on?

Mar 2, 2018
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airplane light on, caps lock light on, number lock light on, battery light on, power light on. Hard drive very faintly whirrs then stops. The screen never flickers or anything. Even with external display. The fan does not come on either. I am thinking it is the motherboard, but would like experienced advice.
The laptop is about 2 1/2 years old but I have used it very infrequently. Thanks in advance!
 
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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