Recently, I was installing my Lenovo Ideapad U-410 with debian 9.1.0 via USB through UEFI. I thought use the wifi interface for such task. I take care about use a USB with FAT 32:
mount /dev/sdX# /media/silverdog/
and copy the firmware from a Lenovo that is working now with iwlwifi (lucky bas….).
cp /lib/firmware/iwlwifi-2030-6.ucode /media/silverdog/ && sync && umount /media/silverdog
Everything looks good at the moment. The installer ask to insert a USB to install the firmware and press enter. Astonishingly, the dialog returned to the same screen asking for the same firmware!
The console #4’s log (Alt + F4) shows how the installer is trying to mount every device. Unfortunately, this laptop has a 22GB mSATA with 4 partitions, 1TB HDD with 2 partitions, 1 usb with the debian-installer and 1 usb with the firmware in it. It’s very weird that the installer wasn’t able to mount the usb. A fast search in google doesn’t show much information to solve it quickly, but the log show that he’s trying to mount in /media/. So, should I mount it manually? YES..
Alt + F2 …. Enter
mount /dev/sdd1 /media/
Alt + F1 …. Enter
What happened? ………… It Worked!