Originally Posted by Dynosaw3
A test-run the Debian Jessie live DVD (64-bit AMD Deaktop)
produced a message "Cinamon currently running without
hardware acceleration". Otherwise the live distro distro
seemed to work OK during the 20 minutes I tried it.
1. How serious is this message??
It's probably due to your graphics card which is currently unsupported (non-free). You may have to add 'contrib' and 'non-free' to /etc/apt/sources list and then do an apt-get update to have non-free firmware installed. This may return hardware acceleration to your OS.
You'll need to dig a bit deeper to find out why your cinnamon desktop isn't using hardware acceleration.
Is it sufficient reason not to install Jessie on my
machine, or is it simply an annoyance one can live with?
Well, it means some hardware isn't running optimally but it shouldn't be an issue for normal use. With your 'live' dvd, you can use it to remotely access your partitions if you have problems booting from an OS on your hard drive.
You can boot from the dvd on someone else's computer and stay in a linux environment. However, if your live version doesn't have persistence, then you won't be able to store files or settings on the dvd.
Also, you can use the dvd to familiarise yourself with debian and if you like it, you can install a 'full' debian system on your hard derive.
2. If necessary what for extra hardware should I install
and where can I get the drivers?
You don't need extra hardware. You just need to make your hardware compatible with the debian OS so you can enable hardware acceleration again. All the drivers for your hardware will be in the debian repos. You simply use 'apt-get install' from a terminal or you can use the 'Synaptic' gui to do the same thing.
If you have a radeon graphics card for example, you can open up Synaptic and do a search on 'radeon'. You can look through the list of drivers and packages available and see if you need to change your debian system to include 'contrib' and 'non-free'. The live dvd will only have the 'main' packages by default.