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Joeym90 Tutor
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HP Probook 4520s wont power up?

My HP probook was working fine till this morning it just turned itself off and now wont power up at all no lights etc. I then tried another battery I had and when plugged in the orange light will now show to say charging with this battery unlike my other one but still no power or anything, keep pressing and holding the power button but nothing happens? Any help on this or if its a known fault would be great?

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Provost Provost
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HP Probook 4520s wont power up?


Joeym90 wrote:

My HP probook was working fine till this morning it just turned itself off and now wont power up at all no lights etc. I then tried another battery I had and when plugged in the orange light will now show to say charging with this battery unlike my other one but still no power or anything, keep pressing and holding the power button but nothing happens? Any help on this or if its a known fault would be great?


try a hard reset:

Remove the battery and unplug the DC power adapter.
press and hold the power button for more than fifteen seconds.
plug in the DC power adapter (leave the battery out for now)
press the power button

 

Best regards,
erico

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Joeym90 Tutor
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HP Probook 4520s wont power up?

Worked like a charm, something so simple but thanks for the help

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mohammed786786 Honor Student
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HP Probook 4520s wont power up?

i was on my laptop 2 weeks ago and it just suddently turned off and was somking , it poweres up for a mere scond and shuts off

the lights come on. next morning i pluged in the ac charger and that started to smoke. i left it for 10 miniuites and then plugged it back in. the ac charger and the laptop went up in sparks. please help

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panikos Top Student
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HP Probook 4520s wont power up?

i have the same problem with my 4520s. the power button light  is coming on anf off contineusly. i try your suggestion and kept it pressed for more than a minute as you explained but nothing happened. 

please help

Jordan43 Top Student
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HP Probook 4520s wont power up?

I am having the same problem.  This did not work for me.  The charging light comes on blinking yellow, then green, and then ... nothing.  I have tried it without the battery and with the battery.  Same thing.

 

Any other ideas?

panikos Top Student
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HP Probook 4520s wont power up?

The morherboard has been replaced and the latpot works fine. Thanks God it was under warranty.

P.

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hppro_topanga Top Student
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HP Probook 4520s wont power up?

This was my situation exactly.  And Erico's solution worked for me!
Joeym90 wrote:

My HP probook was working fine till this morning it just turned itself off and now wont power up at all no lights etc. I then tried another battery I had and when plugged in the orange light will now show to say charging with this battery unlike my other one but still no power or anything, keep pressing and holding the power button but nothing happens? Any help on this or if its a known fault would be great?

try a hard reset:

Remove the battery and unplug the DC power adapter.
press and hold the power button for more than fifteen seconds.
plug in the DC power adapter (leave the battery out for now)
press the power button

 

Best regards,
erico

Matthew93 Student
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Message 9 of 13
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HP Probook 4520s wont power up?

My hp probook 4411s refuse to on or charge. The charger got burnt a month ago and i just got a new one and it didnt charge or on even with the battery out. Please what do i do
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ascalise Honor Student
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HP Probook 4520s wont power up?

I got a Windowes  blue screen and my Probook 4720s crashed, the blue screen completed the memory dump  and the laptop shut down.   Now it wont boot up. When I press the power button the Power button and the wireless key lit and flash together once every 5-6 seconds.

 

Any hint on how to proceed?

 

Regards

 

Armando

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