LinuxQuestions.org - Problems after installing ATI proprietary FGLRX driver

Recently put an ATI HD5450 into my system, I'm running Ubuntu 10.4. When I booted up I went ahead and installed the ATI proprietary FGLRX driver via 'Hardware Drivers' and I'm experiencing some issues with many things.

Firstly my screensavers are really screwed up, this happens with multiple screen savers as soon as they start. It seems like some kind of resolution issue judging by the separate section on the right.
http://img64.imageshack.us/img64/637/imag0041h.jpg
http://img51.imageshack.us/img51/6711/imag0043lm.jpg

And I've had lots of glitches and quirks with all video players, last night I experienced serious lag during a video that lasted 30+ minutes. I managed to click the 'force quit' icon I have on my panel and have it force quit VLC and it took about 5 minutes or so to close VLC. I also tried a few different video modes like OpenGL, X11, etc. All same results. I tried a few video players but I'm still getting issues. Also 1080p is unwatchable, lots of stuttering in sound and video. My overall video performance is very low.

But then after VLC closed, gnome just gave up on me, all my panels were blank and unresponsive and I had no top bars on my windows (minimize,maximize,close). Amongst this I've had other small quirks and glitches but nothing worth noting.

I'm betting it's a driver issue simply because non of this ever happened when I was using onboard video.

Xorg file:

Code:

Section "Monitor"

        Identifier  "0-DFP2"

        Option            "VendorName" "ATI Proprietary Driver"

        Option            "ModelName" "Generic Autodetecting Monitor"

        Option            "DPMS" "true"

        Option            "PreferredMode" "1280x1024"

        Option            "TargetRefresh" "60"

        Option            "Position" "0 0"

        Option            "Rotate" "normal"

        Option            "Disable" "false"

EndSection



Section "Monitor"

        Identifier  "0-CRT2"

        Option            "VendorName" "ATI Proprietary Driver"

        Option            "ModelName" "Generic Autodetecting Monitor"

        Option            "DPMS" "true"

        Option            "PreferredMode" "1280x1024"

        Option            "TargetRefresh" "60"

        Option            "Position" "0 0"

        Option            "Rotate" "normal"

        Option            "Disable" "false"

EndSection



Section "Screen"

        Identifier "Default Screen"

        DefaultDepth    24

        SubSection "Display"

                Virtual        3200 1080

        EndSubSection

EndSection



Section "Screen"

        Identifier "amdcccle-Screen[1]-0"

        Device    "amdcccle-Device[1]-0"

        DefaultDepth    24

        SubSection "Display"

                Viewport  0 0

                Depth    24

                Virtual        3200 1080

        EndSubSection

EndSection



Section "Module"

        Load  "glx"

EndSection



Section "ServerLayout"

        Identifier    "amdcccle Layout"

        Screen      0  "amdcccle-Screen[1]-0" 0 0

EndSection



Section "Device"

        Identifier  "Default Device"

        Driver      "fglrx"

EndSection



Section "Device"

        Identifier  "amdcccle-Device[1]-0"

        Driver      "fglrx"

        Option            "Monitor-DFP2" "0-DFP2"

        Option            "Monitor-CRT2" "0-CRT2"

        BusID      "PCI:1:0:0"

EndSection



Section "ServerFlags"

        Option            "Xinerama" "off"

EndSection

But looking at that xorg file it seems that the settings absolutely do not match my running setup, the position for both Monitor's are set to 0 0 and the resolution is 1280x1024. When in fact I only have one of my monitors running at that resolution, the other is running at 1920x1080.

Any suggestions into how to fix this issue would be greatly appreciated.