Asus X540l wont stay on

Oct 7, 2018
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My Asus X540l wont stay on - its charging fine the lights are all on but it only stays on few a few seconds and then shuts down. The longest I have managed to get it to stay on was about 15 minutes but then it shuts down again, It has a non removable battery so can not try taking this out!! I really need the laptop for business and cant figure out whats going on. I have checked the settings there is no sleep timer activated on there. Help
 
Oct 10, 2018
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I have the same problem with my asus X54OI. I have tried almost everything but i haven't gotten any solution to it. The laptop keeps coming on and off without any command. Kindly help me out