Running steam from the command line gives out the venerable ‘GLX direct rendering’ error but there’s a hint in the lines before it: Running Steam on ubuntu 14.10 64-bit STEAM_RUNTIME is enabled automatically Installing breakpad exception handler for appid(steam)/version(1420770381) lib GL error: unable to load driver: radeonsi_lib GL error: driver pointer missing lib GL error: failed to load driver: radeonsi lib GL error: unable to load driver: swrast_lib GL error: failed to load driver: swrast Installing breakpad exception handler for appid(steam)/version(1420770381) Steam can’t open radeonsi_dri.so, the shared library responsible for communicating with the graphics driver.To rule out a problem with the driver itself, let’s verify an Open GL enabled graphics driver is loaded by running: Running Steam on ubuntu 14.10 64-bit STEAM_RUNTIME is enabled automatically Installing breakpad exception handler for appid(steam)/version(1420770381) lib GL: screen 0 does not appear to be DRI3 capable lib GL: pci id for fd 7: 1098, driver radeonsi lib GL: Open Driver: trying /usr/lib/i386-linux-gnu/dri/tls/radeonsi_lib GL: Open Driver: trying /usr/lib/i386-linux-gnu/dri/radeonsi_lib GL: dlopen /usr/lib/i386-linux-gnu/dri/radeonsi_failed (/home/user/.local/share/Steam/ubuntu12_32/steam-runtime/i386/usr/lib/i386-linux-gnu/libstdc 6: version `GLIBCXX_3.4.20' not found (required by /usr/lib/i386-linux-gnu/dri/radeonsi_dri.so)) lib GL: Open Driver: trying $/dri/tls/radeonsi_lib GL: Open Driver: trying $/dri/radeonsi_The answer is STEAM_RUNTIME.If you are not tech-savvy, the easiest way to update ATI CCC is by uninstalling the older version of the program and performing a clean install of latest ATI CCC package.The main producers of Video and Graphics Card Drivers are NVIDIA, ATI and Intel.I could never get AMD’s binary driver (FGLRX) to work with Steam reliably but the open source Radeon driver is surprisingly good and keeps improving.The downside is that every so often Steam client updates break for weeks until another update fix it.Let’s look at some common errors related to ATI catalyst control center in Windows 7You may get this error when trying to load the ATI Catalyst control center.Reason: One of the reasons for this Catalyst control center problem is corrupted Windows Global Assembly Cache (GAC)Solution: AMD provides updates to ATI Catalyst Control Center.
Read more about fixing Graphics and Video Card Drivers VGA Graphics Card Drivers are available for Windows 10, Windows 8, Windows 7, Vista & XP.
ATI Catalyst Control Center is software used to unlock capabilities of AMD graphics processors.
The software also includes a Driver for AMD graphic cards.
Video Graphics Card Drivers should be kept up-to-date to avoid conflicts.
This is really only necessary when either your Driver is very outdated, has become corrupt or often when you update to a new Operating System.