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Old June 9th 10, 04:16 PM posted to comp.sys.ibm.pc.hardware.video,microsoft.public.windows.vista.hardware_devices,microsoft.public.windows.vista.general
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Default Can't extend screen display onto second monitor-Vista 64—ATI Radeon X1900


I just discovered that I was using version 9.11 of Catalyst. I
downloaded and installed version 9.3 which ATI/AMD says is the latest
version that supports “all the features” of the X1900. No change in
behaviour, however—cloning works fine but extending does not work at
all.