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Hi, i also have the official version A012 but i would like to install the unlocked A11, as per you stated, is not necessary to downgrade to A05? instead you went for A08

you had already bricked your bios or you wanted to install any unlocked BIOS version such as A11 or A10?

Regards,

Moises

After I read through this entire thread I tried to revert my M17xR4 from the latest A12 bios.

Before I used Flashdrive method I simply reverted Bios to A08, think this might be importent.

Then I just followed the guide step by step and it worked flawless.

Just don't turn off your computer when it beeps and the fans are at full, it took 10-15 minutes while at that state before the pc restarted.

Downgrade BIOS always has the risk to brick the BIOS, in that case you need to donwload a file like on the below thread

http://forum.techinferno.com/alienware-m17x-aw-17/1978-%5Bm17x-r4%5D-bricked-bios-fix.html

Hi,

I was googling if R4 or any M17x version supports this functionality. I have BIOS A12 locked, any of you that have unlocked version can confirm if WOL is supported?

Many thanks!

Moises

Something similar happened to me.

Fan started to work at max speed without any reason someday.I did not update BIOS or any big change on OS or app installed.

My solution was installing speedfan to control rpm. So far that fixed my issue

to avoid overheating is recommended to clean out the dust every heavy use or 3 months the laptop.

Disassembling is quite easy,but deep cleaning need take out the fans