Thank you for clarilying that a (video card error) equates to a (graphics card failure, which required a reboot of your computer). Now it is more clear that your computer crashed during the firmware update!
But most of all, thanks for your discovery about using the [Ctrl] [Alt] [Shift] and [D] keys within the (Noahlink Wireless Firmware Upgrader) to fix a bricked Noahlink Wireless device by downgrading and then re-upgrading the device. I will include this downgrade/upgrade workaround in a School document named (Noahlink Wireless - DIY User Guide).
btw> The forum moderators/administrator may not be sympathetic about changing the Topic title. But you can try. 
You’re ignoring this member’s posts.