Getting blank/black screen after system update.

Issue

• Monitor goes blank during boot after recent system update.
• After latest package update system is not starting in gui mode. Getting blank screen on monitor.
• Following errors observed in Xorg logs:

[  2922.613] Loading extension GLX
[  2922.613] (II) LoadModule: "fglrx"
[  2922.613] (II) Loading /usr/lib64/xorg/modules/drivers/fglrx_drv.so
[  2922.629] (EE) Failed to load /usr/lib64/xorg/modules/drivers/fglrx_drv.so: /usr/lib64/xorg/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension
[  2922.629] (II) UnloadModule: "fglrx"
[  2922.629] (II) Unloading fglrx
[  2922.629] (EE) Failed to load module "fglrx" (loader failed, 7)
[  2922.629] (EE) No drivers available.
[  2922.629] 
Fatal server error:
[  2922.629] no screens found
[  2922.630] (EE)