Originally Posted by vLaDxB
Tried, CWM Recovery can't mount sd card, tried to fix that, not working, my windows 8.1 can't find my device.
Is that CWM recovery a modified one that will work with the new firmware that you need for Maximus?
I don't keep up with all the new stuff, but the TWRP provided in the install of Maximus is special. If your CWM is "special" too, then ok.
Now the special TWRP provided with Maximus unfortunately doesn't move files from pc to the phone. I know that sucks.
If you knew all this and your sd card partition has really been corrupted then you will need to install stock recovery. Once that is installed you go into BOOTLOADER and select clear storage.
From there you will need to run an RUU to get back to stock. (so that you can move a ROM from pc to sd card ) then do the whole Maximus install all over again.
if you don't have an RUU that will work you can install the firmware http://forum.xda-developers.com/show....php?t=2322755
This will bring you back to the old 2.15 hboot and older partitions so you can install the 2.15 roms to get a working phone to do what you want.
Alternatively, you could learn what adb push is and that will allow you to move files from pc to your phone on the "special" recovery.