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HP Probook 4520s wont power up? (6031 Views)
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Joeym90 Tutor
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Joeym90
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Registered: ‎07-22-2011
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HP Probook 4520s wont power up?

‎07-22-2011 12:20 AM

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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erico
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Re: HP Probook 4520s wont power up?

[ Edited ]

‎07-22-2011 12:27 AM - edited ‎07-28-2011 06:11 AM

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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Joeym90
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Re: HP Probook 4520s wont power up?

‎07-23-2011 06:22 PM

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

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mohammed786786 Honor Student
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mohammed786786
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Registered: ‎06-16-2012
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Re: HP Probook 4520s wont power up?

‎06-16-2012 05:05 AM

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 Honor Student
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panikos
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Re: HP Probook 4520s wont power up?

‎06-23-2012 02:35 PM

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

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Jordan43 Student
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Jordan43
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Re: HP Probook 4520s wont power up?

‎08-02-2012 05:18 PM

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?

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panikos Honor Student
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panikos
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Re: HP Probook 4520s wont power up?

‎08-03-2012 02:02 AM

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

P.

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hppro_topanga Student
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Re: HP Probook 4520s wont power up?

‎03-23-2013 08:58 PM

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

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