HP dv7 4050ed does not load BIOS

Hey,.

I have a dv7 4050ed as described in the title.

Yesterday, I tried to update my BIOS to F.29 with sp55299.exe provided by the HP Web site. I did it during the execution of Windows 8 (think that's what has caused this) asuming it would be nice if it wasn't.

Installer flashed the BIOS and reset. during the restart, the screen didn't come but I could here the Windows startup sound. I gave it a minute but nothing happened so I used the powerbutton to turn the LAPTOP still works, but cela it wont even load the BIOS.

And that is where I am now: if I press the power button / fans turn and the WiFi and its LED glow orange. He did this for about 2-3 seconds, but then it turns itself off and repeat this procces until I pressed the power button or turn the power off.

There is no error message (no beeps and no flashing LED) except when I remove both modules of memory RAM of course the error message.

I tried the things:

-In the course of running on the only AC adapter

-Remove the CMOS battery

-Withdrawal of the RAM modules or placing them in a different bank

-Windows key + holding B before plugging in the power adapter, and then pressing the powerbutton-> nothing happens

-Disassemble the laptop everything, but everything went well.

My guess is that the BIOS chip is damaged, or the motherboard is dead.

Does anyone know a fix for this? (I tried searching the Internet but the only thing I could find was the Windows key + B method)

Hello Raven283.  I understand that after trying to Flash your BIOS from Windows 8 you are more able to boot the laptop.  Is this correct?

Here more information on HP and the upgrade to Windows 8.

Looks like your thinking is correct.  It seems that the installation/flashing program has not properly run in Windows 8.   Now that flash has no BIOS does not appear to load correctly.  Laptops HP Flash the BIOS via a Windows executable file and do not support flashing via USB key.  So, you will need to contact HP Technical Support to get the book back to operational status.

You can check the status of your warranty by going here.  Contact HP at 1-800-474-6836 if you are in the USA / Canada.  If you're in another area, you will need go to the Site of Support of HP to get contact information for your region.

I hope this has been helpful!

Tags: Notebooks

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