HP Elitebook 840 g3 doesn't turn on?

March 26, 2020 at 15:38:45
Specs: Windows 10
Dear all,
I have a problem with my laptop.
The keyboard blinks for 5 second and then turns off and then blinks again and the screen doesnt turn on
Can you please help me cause now we are in quarantine and shops are closed and this is my work laptop.
What should i do?
Please help

message edited by Elda123


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#1
March 26, 2020 at 16:38:46
Does it do this if the power adapter/charger is connected (and obviously switched on at the wall outlet).

Similarly, if the battery is removed and the laptop running on mains power (the charger is connected etc.) does it do as you describe?


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#2
March 26, 2020 at 17:07:58
Did the laptop suffer any physical trauma which may have
caused the failure? Like being dropped? That could loosen
a connection, such as between video connector and screen.

Describe the blinks in complete detail.

I took a very quick glance at the specifications for your laptop.
Do you have one with backlit keyboard? Is that what blinks?

-- Jeff, in Minneapolis


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#3
March 27, 2020 at 06:31:35
@trvlr
Yes i have tried with the adapter connected and disconnected still the same thing..
I didn't try to open the back of the laptop because the battery is not removable
You can find below the video how it is blinking
https://imgur.com/a/T8TSrNX

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#4
March 27, 2020 at 06:35:17
@Jeff Root
No, it was on the table no trauma or anything .
yes i have backlit keyboard and she blinks for 5 seconds then stays 10 seconds without blinking and starts again in a loop.
Only if i turn off the laptop it will stop, the screen remains turned off
I have tried with windows button + B and then power button for the bios as they say on some sites.. but it doesn't work
You can find below the video how it is blinking
https://imgur.com/a/T8TSrNX

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#5
March 27, 2020 at 07:11:18
There do seem to be problems with this model and others in the series - relating to startup problems.

It is apparently possible to remove the battery (screws on the case to be removed) and there are assorted rest the power system options various.

This shows how...

http://tinyurl.com/urj8axw

http://tinyurl.com/ycbthg37

http://tinyurl.com/smthwl9

http://tinyurl.com/t67xgco

This link has a few ideas - which may/may not be helpful Worth checking nonetheless and also the links etc.some of the respondents there suggest...

http://tinyurl.com/vc4gljn

It "may" be that the power adapter/charger is faulty... To test this you really need another known to be OK adapter and power the laptop with that one. Possibly a local store may have one you can test with there (on-site) or lend you to try at home. Equally if you're OK with a voltmeter you can at least measure the volts out on the one you have and see what they are. They will be higher than when the laptop is connected... The adapter will (or ought to have) it volts/amps (and watts..) shown on it (somewhere).


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