BIOS on ASRock FM2A58M-HD+ wont update

Dec 18, 2018
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Hi,
I have notice several issues with my pc from begging of its use, i tried to live with that issues but now im trying to fix.
From time to time my pc restarts or gets BSOD, or just restarts.
I have installed newest driver for every piece of hardware, and tried windows7,8,8.1,10 and problem is still there.

MB have bios version 1.60, and my CPU is listed as supported from version 2.2.
I tried flashing BIOS in hope that would fix some system instabilites, i have downloaded BIOS from hereAsrock website link

I have tried windows flash, exe executes->tell i need to restart windows-> after restart nothing happens and windows loads.
I have tried Instant flash option with Fat16,Fat32 on both usb2 and usb3 ports, and weird thing happens.
As i press instant flash, window is opened and my file from usb is listed,but shortly after, window is closed and new window opens with message "no image file detected".

Any solutions?

Thank you in advance!


EDIT:My cpu is x4 870