MSI z87i gaming ac 9C & A2 errors

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A321GO

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Feb 26, 2014
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hi everyone,

I've built a m-itx setup with a MSI z87i gaming ac motherboard but i'm facing a problem when i turn it on.

Whenever i boot it the screen shows error codes at the bottom right corner including the 9C code hanging at around 15-20 sec followed with a A2 code hanging at 2 sec and it eventually boots to Windows. One thing that i've noticed is that when i disconnect all the devices that use USB the 9C code disappears but comes back once i connect something to a USB and boot the second time.

I just want to ask is there a way to fix this and make it run properly because its a headache to wait for windows especially when you have it powered with a SSD.

My PC specs if you need them:

Motherboard: MSI z87i gaming ac
CPU: i5 4670K
RAM: Corsair Vengeance Pro 1866Mhz 8gb
GPU: R9 290
HDD: Seagate Barracuda 2tb
SSD: Kingston HYPERX Fury 120gb
Case: Corsair 250D
PSU: Corsair CX750M
Cooler: Corsair H100i

(Yeh, there's a lot of stuff from corsair)

Thanks.
 
Solution
9C is a USB error and A2 is an IDE error. Here's a couple of things to check:

Your system could be searching for a USB boot device Go into your BIOS and ensure that the boot priority is set for your OS drive.

Your system could be having issues with one of your connected USB devices. Try updating your chipset and USB drivers, as well as any appropriate drivers for attached devices.

You could also try connecting your devices to different USB ports.
9C is a USB error and A2 is an IDE error. Here's a couple of things to check:

Your system could be searching for a USB boot device Go into your BIOS and ensure that the boot priority is set for your OS drive.

Your system could be having issues with one of your connected USB devices. Try updating your chipset and USB drivers, as well as any appropriate drivers for attached devices.

You could also try connecting your devices to different USB ports.
 
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