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Issue with HP Probook 4740s

HP Recommended
HP Pavillion 4740s
Microsoft Windows 10 (64-bit)

Hello,

I have an HP probook 4740s on Windows 10 64 bits, I have change nothing on the hardware (6gb ram, 500 go HDD... everything is original, i have never add new hardware, never updated the bios and when I power on this things, I got a beatiful black screen

 

Then after a second, the fan turn on and be very noisy (like he maintain his maximum speed) and the verr. maj LED blionking forever

 

A strange thing, when i plug in the AC power supply the led light (next to the power) turn white then orange, then off.. (under a second ) and its always off then.. it was always on before.

 

Any help would be appreciated?

 

 

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HP Recommended

I have rewrite the bios, hopefully, it start one time and I update the BIOS with the .exe update of 2016, then it start a second and after the update, no black screen

My bios was corrupted

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