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Maximus VI Formula Freeze in Bios (EZ Mode) and How To Bios Update Question

Level 7

i have some Problems with my Brand New Motherboard .
It´s my First Asus/Rog Exp. and i hope it worked after Update...
Sry for my bad English i´m from Germany, hope you guys understand me^^

First Start with my New Motherboard and I7 4770k with Thermalright Macho CPU Cooler i stuck in Bios with Error "CPU FAN"
then i disabled Fan Control

After Restart is Booting Win (8.1 64 Bit) but so Slow, the Desktop it bootet fast but Explorer take´s a long time.
However i go to Bios again and switch to EZ Mode and look with my Tablet for Solving this per Google.
Then i will click on Advance Mode but nothing,
the Cursor is not moving (light on my Mous and Keyboard works) i try my Keyboard with F8 and all other F1-F12 but didnt work.
Bios is Freezed.

I got some errors B4 and A2 but now it´s A0.
Can you Explain me the Error Codes?

Now i will update my Bios the Version i have is 2.10.1208
How i did this?
nothing usefull find to do this.
Hope you can help me to fix this issues 😞


Level 13
Type out a full parts list please.

Level 13
Please list your system components. The template linked below can be used as a guide. Thanks.

Motherboard model:Asus ROG Maximus Formula VI

UEFI Version: 2.10.1208 / Bios 0804

CPU: i7 4770k

Memory kit part number (s) and amount in GB:
2x4 Gigabyte = 8 GB Corsair Vengeance Blue LP

GPU: Sapphire R 290+Prolimatech MK-26 Cooler

SSD/HDDs/Optical drives:
SSD Samsung 840 120 GB (Windows Install here)
Seagate HDD 1000 GB
Seagte HDD 500 GB


USB Devices (model/version number):
Keyboard/ Sidewinder X4
MouseThermaltake eSPORTS Level 10 M Diamond Black

LG 27EA53

CPU Cooler: Thermalright HR-02 Macho Rev.A

Fractal Define R3

Operating system: Microsoft Activated yes/no?
Windows 8.1 64 Bit Activated

Drivers Installed (include version):
Motherboard CD Drivers all installed/no updated yet
Graphikcard Driver last AMD

Any third Party temp/voltage software installed:
CPU Z, Real Tems,prime95 and all from CD Motherboard also Benchmark Tools for Graphikcard

System Overclocked (provide details)? no OC first try to run System in normal Mode

Level 13
Try using one memory module only (to debug), and see if you can get into advanced mode. Set XMP for the memory also.

Level 7
I dont know why but the Problems with Freeze and Error Code´s are gone.
Another Problem appeared that was the CPU Fan it stop working now.
Then i go to Bios and enable Fan Monitor (activ) Restart and now i got the CPU Fan error from first Start my PC.
I switched the Cable from CPU Fan to the other one´s it started but i got the Message CPU Fan Error again.


EDIT: i try to set down CPU Fan limits but not help.
I had a 3 Pin and i try to deactivate and now it boots Win 8.1 but the CPU Fan is not working.

Can you pls give me Support ? :StillWaiting.jpg
how i update my Bios safely?