> I guess the first question is what changed between yesterday and today? > Because something clearly did. > It would be good to check through the logs to see what is happening.
I agree, but he can't recall any changes, and he's out of town and can only communicate by text message, so troubleshooting is difficult and I won't be able to look at the logs until he gets back. > It's also possible that 4.16 and newer might restore functionality: > https://trisquel.info/en/forum/linux-libre-416-realtek-radeon-more Thanks. It seems like that could be worth a try. If he could access the Internet on his machine I would have him add your repo to his sources.list, but he has no means of accessing the Internet other than WiFi. Is there a way for him to install 4.16 offline by downloading the necessary files on someone else's machine and copying them over on a USB drive? Building from source might be a problem if he's missing dependencies, since he'd have no way of installing them, but a .deb file might work.
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