Which led me to looking at my "/etc/X11/xorg.conf" file. It was mostly empty, so I added in the following lines, as indicated in the link above. And now everything is running much better. I'm sorry if this was already covered somewhere in this thread.
I followed some guidelines that I found here: http:// ubuntu- virginia. ubuntuforums. org/showthread. php?t=1141060
Which led me to looking at my "/etc/X11/ xorg.conf" file. It was mostly empty, so I added in the following lines, as indicated in the link above. And now everything is running much better. I'm sorry if this was already covered somewhere in this thread.
Section "Device" SPos" "no" Lock" "on" Pixmaps"
Identifier "Configured Video Device"
Driver "ati"
Option "DynamicClocks" "on"
Option "mtrr" "on"
Option "DesktopSetup" "Single"
Option "ScreenOverlap" "0"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
Option "Stereo" "off"
Option "StereoSyncEnable" "1"
Option "FSAAEnable" "no"
Option "FSAAScale" "1"
Option "FSAADisableGamma" "no"
Option "FSAACustomizeM
Option "UseFastTLS" "0"
Option "BlockSignalsOn
Option "XAANoOffscreen
Option "AccelMethod" "XAA"
EndSection