Laptop once booted after cleaning then turned off itself and cannot turn on anymore

Jun 30, 2018
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I've cleaned my ASUS X550V laptop with compressed air with the back cover off. Once I have finished I put it back together and turned it on. Everything went fine, Windows booted to the login screen, but before I could've done anything the laptop turned itself off. If I try to turn it on (with our without the battery) it won't boot. The battery, num lock, caps lock and power indicators start to light and I can hear the HDD "click" as usual. The screen remains turned off.
I'm worried that I might've short circuited the motherboard. I'm really desperate because I need the laptop in work and not able to get a replacement motherboard right now.
Do any of you have something that I could try to see what's the problem?
 
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.
 
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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