hp probook nonremovable buttery laptop not turning on the keyboard lights and sound and fan is working but display not showin

jabirfastsale1983

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Sep 21, 2017
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Hi sir.
My hp probook 450 G4 i7 7the gen. Not turning on. It's giving sound and flashing caps lock light and the others. Screen is black. I have tried to remove ram and hard disc I have still same problem. Plz help me WhatsApp me If possibleMod edit: please don't post phone numbers.Thanks in advance.
 
Try the following and see if it will turn on...

1. Unplug your charger cord.
2. Remove the battery.
3. Press and hold the "Power" button for 30 seconds.
4. Now plug back in the power/charger cord.
5. Now put the battery back in.

If this doesn't help, then test the power cord to see if it is good. Either try your cord in another device, or try another devices cord in your laptop. You may also want to try charging it when the device is off, rather than on. If it works then, the cord is probably the issue.

Should that not be the problem, then check the battery to see if it needs replacing.
 

guanyu210379

Distinguished
Mar 30, 2007
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19,260
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You can not take the battery of ProBook 450 G4 out unless you really know what you are doing.
Non-technical person can never do that.


 
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