PC wont Boot Error Code B4/A2

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Jeremiah Barnette

Honorable
Dec 6, 2014
43
0
10,530
PC has been running fine i installed new update for input mapper and reboot was required when it started up its at first screen where it says ROG F2 for bios etc it freezes i cant do anything and it says error codes B4 then switches to A2
 
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Jeremiah Barnette

Honorable
Dec 6, 2014
43
0
10,530
*update* when it freezes on windows screen then monitor goes off i can unplug my Hdmi and reconnect and it loads windows, im very confused here, the only changes i done was install input mapper and plugged in two ps4 controllers for first time
 
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J

Jeremiah Barnette

Honorable
Dec 6, 2014
43
0
10,530
Yea imma go ahead and download win 10 and upgrade and see if that fixes it, my best guess is using 2 ps4 controllers together with usb created a conflict which caused a crash which damaged window start up files, deff tricky to figure out im still new to pc's this is my first build. Im just glad i didnt fry anything lol thanks blackbird for your help
 
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hydadruid

Commendable
Jan 9, 2017
2
0
1,510
Hi, was running into the same issue kind of. The A2 error was surprisingly caused by a Fanatec force feed back steering wheel for racing games. If i left it turned on during a boot, It hangs at A2 until i turn the wheel off. As soon as I turn off the wheel it finished booting. I will add that it was a very frustrating couple weeks until i figured this out. I had tried a bunch of different hard drives and boot priorities and stuff of thatr nature, just to notice it booted fine one day and realized i had unplugged the wheel.
 
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