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HP Recommended
hp probook 4520s
Microsoft Windows 7 (64-bit)

After you reinstall the operating system has been put 7, I began to install the drivers that were downloaded from the official resource. After restarting the laptop screen black on the key caps lock Megan error 6 blinks, the failure of the BIOS. The combination of keys did not work, nor all the arrows or wine + B + to believe. Help solve the problem.

 

  hp 4520s
series 2KE10803NG

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