Default Fone broken :( Help

Hello guys, maybe you can help me. Sorry for my bad English.
Im try to describe my problem.
Im bought Atrix HD, on the telephone was installed MIUI. I want stock firmware. Im download Myth Tools for Atrix HD, install usb driver, install adb\fastboot, download stock firmware. Im launch Myth tools and install firmware, after this my telephone reboot and i see motorolo logo. After an a hour nothing has changed. I reboot telephone and enter into recovery, i have errors:
E:Cant mount /cache/recovery/command
E:Cant mount /cache/recovery/log
E:Cant open /cache/recovery/log
E:Cant mount /cache/recovery/last_log
E:Cant open /cache/recovery/last_log

Im try Mount sd card and get E:Cant mount /sdcard
Im wiped telephone - nothing.

What I should do? Help please guys.