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msherbert Honor Student
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

When I push the power button to my HP ProBook 4540s, it does not boot, but a few seconds later the fan turns on and the screen remains black.  If there were any error messages, I can't see them.  The only way to shut it back down is to press and hold the power button.  Then I try to boot it agian.  The computer will boot normally about 1 out of 35 or 40 attempts.  Briefly removing the battery and placing it back does not help.   I haven't made any changes to the computer.  It is about 10 months old.  Any ideas???

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Teacher Teacher
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Message 2 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

Hello MS,

 

Question:  Do any of the LED lights on the keyboard turn on when the computer doesn’t boot?  Here’s an HP troubleshooting document for notebooks that won’t start, along with some info about LED error codes:

 

http://support.hp.com/us-en/document/c01732674

 

If that doesn’t help, it is probably a hardware issue. Since you've only had the notebook for 10 months it’s probably still under warranty. You can contact HP:

 

http://www8.hp.com/us/en/contact-hp/ww-contact-us.html

 

Please let me know if any of these suggestions helped.  If not, I will try to investigate further.

 

Tobindo

HP Representative

 

laronico Student
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Message 3 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

Am having boot up problem with my probook ,takes almost a whole day to boot,and when it does it restarts again.....so frustrated right now
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Grantimus88 Honor Student
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Message 4 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

Did you find a fix? I'm having this exact issue.
sgrydv Honor Student
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Message 5 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

please help with my hp probook 4540s
I am trying to install windows 8.1, the installation process begins normally.
but when it restarts "no bootable image found" error is shown
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sarthur Student
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Message 6 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

The major problem our staffs face with their laptops is HP ProBook screening not turning. the computer will power alright bu the screen is still off. its affect a lot of people and its really bad

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Maboelfotoh Top Student
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Message 7 of 7
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ProBook 4540s Powers on, but won't boot... fan turns on with black screen.

I have read the light flash code and i found that the led near the caps lock flashes once per pause , indicating cpu problem .

Well what i have to do to fix this problem?

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