Coorection, laptop model is Toshiba Satellite C850
Sadly looks like many issues with the hardware by others: http://www.linlap.com/toshiba_satellite_c850-c855 I'm wondering if the user would have a better experience using a more up-to-date distro like Ubuntu. On 25 July 2017 at 16:03, Imran Chaudhry <[email protected]> wrote: > I've been helping someone set-up a Linux laptop upon which I installed > Debian 9 "Stretch". > > The laptop is a Toshiba Satellite CH50-D11Q which has a GPU installed > - an ATI Radeon 7000 HD series. > > I selected the MATE desktop and the default install used the > opensource ATI drivers - however while the system was usable the > screen brightness did not work correctly. > > When I realized that an ATI Radeon GPU was present I then installed > the linux-firmware-nonfree package thinking that it would unlock the > full power of the GPU. On reboot however we found that although the > screen brightness could now be controlled, the graphical desktop was > slower than the opensource drivers. Moving windows shows a visible > re-draw and using a browser scrolling web pages seems to be slow. > > After some Googling, I tried instead to install the ATI "Catalyst" > Linux package from the ATI site but on running it reported my X.org > server version to be too old. > > I then attempted to downgrade to the opensource drivers by > uninstalling the Xorg packages with "radeon" in their names but this > wanted to uninstall ALL ox Xorg. > > Since the laptop user is non-technical, I did not want to proceed > further with the fear that they may end up with a broken system. > > Can anyone suggest a way to downgrade cleanly? It sounds like I might > need to install the opensource ATI/Radeon package which might have > been uninstalled when I installed the nonfree one? > > Thanks -- Please post to: [email protected] Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire LUG URL: http://www.hantslug.org.uk --------------------------------------------------------------
