Asus Laptop won't turn on, but Power LED always on

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bennq08

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Dec 13, 2015
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Hi all! I need help from Asus expert :)

I have Asus Laptop K551-LB (I think its similar with S551 version).

So here is what happen:

1. Last thing I did was put my laptop to sleep, but since it took so long and I was in a hurry, I forcefully turn of the laptop by press and hold the power button

2. Now I can't turn my laptop on, but the power LED light indicator (the one that looks like bulb) is always on (not blinking).

3. I thought that something was wrong with the battery, but when I remove the battery and plug the adapter, same issue happened.

4. I've tried to press and hold the power button for 10 seconds, but nothing happen. What I got is that the power LED light indicator is always on.

5. When the laptop was off but LED light indicator always on, the machine is not working (I can't hear any sound).

Really need help from Laptop guru here, since I'm short of budget to go to service center. Many Thanks!
 
Solution
Hi,

Here are some troubleshooting steps that I've suggested to other who had the same problem with their laptop. Just skip through the steps you've done already. :)
- Do a hard reset first, remove the battery and AC adapter then press and hold the power button for 20 seconds then try to boot the laptop.
- Next is to test the AC adapter and see if it's supplying enough voltage or better yet try another AC adapter that has the same voltage.
- If there are lights on the laptop indicating that it's on connect and external monitor and see if you'll get any display from it and if you do press the Windows key + P at the same time and select Display Only then press Enter.
- If that will not solve the problem do reseat the RAM, remove them all...
Hi,

Here are some troubleshooting steps that I've suggested to other who had the same problem with their laptop. Just skip through the steps you've done already. :)
- Do a hard reset first, remove the battery and AC adapter then press and hold the power button for 20 seconds then try to boot the laptop.
- Next is to test the AC adapter and see if it's supplying enough voltage or better yet try another AC adapter that has the same voltage.
- If there are lights on the laptop indicating that it's on connect and external monitor and see if you'll get any display from it and if you do press the Windows key + P at the same time and select Display Only then press Enter.
- If that will not solve the problem do reseat the RAM, remove them all for couple of seconds then put them back in making sure that they are seated properly into each slot.
- Lastly, try and connect an external monitor and see if you'll get a display from it or not because if you do that means it's the problem to the display.
- If all these will not work you may need to contact the manufacturer for a repair if it's still under the factory warranty.
 
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