[Moto G Q&A, Help & Troubleshooting] Canuckfan101:
I followed the steps but nothing happened same problem here is what i got :

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Owner>cd C:\FIrmware

C:\FIrmware>mfastboot flash partition gpt.bin
target max-sparse-size: 256MB
sending 'partition' (32 KB)...
OKAY [ 0.029s]
writing 'partition'...
(bootloader) This may take a few seconds, if a
(bootloader) different partition table is being
(bootloader) flashed since we need to backup
(bootloader) and restore a few partitions
(bootloader) Flashing primary GPT image...
(bootloader) Flashing backup GPT image...
OKAY [ 0.437s]
finished. total time: 0.470s

C:\FIrmware>mfastboot flash motoboot.img
unknown partition 'motoboot.img'
error: cannot determine image filename for 'motoboot.img'

C:\FIrmware>mfastboot flash motoboot motoboot.img
target max-sparse-size: 256MB
sending 'motoboot' (1940 KB)...
OKAY [ 0.087s]
writing 'motoboot'...
(bootloader) flashing tz ...
(bootloader) flashing rpm ...
(bootloader) flashing sdi ...
(bootloader) flashing aboot ...
(bootloader) flashing sbl1 ...
OKAY [ 1.522s]
finished. total time: 1.615s

C:\FIrmware>mfastboot flash logo logo.img
target max-sparse-size: 256MB
error: cannot load 'logo.img': No error

C:\FIrmware>mfastboot flash logo logo.bin
target max-sparse-size: 256MB
sending 'logo' (619 KB)...
OKAY [ 0.072s]
writing 'logo'...
OKAY [ 0.127s]
finished. total time: 0.207s

C:\FIrmware>mfastboot flash boot boot.img
target max-sparse-size: 256MB
sending 'boot' (10240 KB)...
OKAY [ 0.360s]
writing 'boot'...
OKAY [ 1.112s]
finished. total time: 1.478s

C:\FIrmware>mfast flash recover recovery.img
'mfast' is not recognized as an internal or external command,
operable program or batch file.

C:\FIrmware>mfastboot flash recovery recover.img
target max-sparse-size: 256MB
error: cannot load 'recover.img': No error

C:\FIrmware>mfastboot flash recovery recovery.img
target max-sparse-size: 256MB
sending 'recovery' (10240 KB)...
OKAY [ 0.370s]
writing 'recovery'...
OKAY [ 1.149s]
finished. total time: 1.526s

C:\FIrmware>mfastboot flash system system.img_sparsechunk1
target max-sparse-size: 256MB
sending 'system' (260606 KB)...
OKAY [ 8.214s]
writing 'system'...
(bootloader) Invalid signed image
OKAY [ 14.112s]
finished. total time: 22.333s

C:\FIrmware>mfastboot flash system system.img_sparsechunk2
target max-sparse-size: 256MB
sending 'system' (239692 KB)...
OKAY [ 7.620s]
writing 'system'...
OKAY [ 14.548s]
finished. total time: 22.173s

C:\FIrmware>mfastboot flash system system.img_sparsechunk3
target max-sparse-size: 256MB
sending 'system' (222205 KB)...
OKAY [ 7.004s]
writing 'system'...
(bootloader) Failed to validate sparse image
OKAY [ 23.217s]
finished. total time: 30.229s

C:\FIrmware>mfastboot flash modem NON-HLOS.bin
target max-sparse-size: 256MB
sending 'modem' (47484 KB)...
OKAY [ 1.536s]
writing 'modem'...
OKAY [ 2.395s]
finished. total time: 3.936s

C:\FIrmware>mfastboot erase modemst1
erasing 'modemst1'...
OKAY [ 0.024s]
finished. total time: 0.025s

C:\FIrmware>mfastboot erase modemst2
erasing 'modemst2'...
OKAY [ 0.024s]
finished. total time: 0.025s

C:\FIrmware>mfastboot flash fsg fsg.mbn
target max-sparse-size: 256MB
sending 'fsg' (721 KB)...
OKAY [ 0.110s]
writing 'fsg'...
OKAY [ 0.136s]
finished. total time: 0.253s

C:\FIrmware>mfastboot erase cache
erasing 'cache'...
OKAY [ 0.069s]
finished. total time: 0.071s

C:\FIrmware>mfastboot erase userdata
erasing 'userdata'...
OKAY [ 0.251s]
finished. total time: 0.254s

C:\FIrmware>mfastboot reboot
rebooting...

finished. total time: 0.002s

C:\FIrmware>