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The following applies only to
Extramon installed on Windows 7 and Vista computers.
The
Extramon video driver cannot be installed alongside
a WDDM video driver (i.e., on a computer with the Aero
user interface, which gives you the fancy graphical
effects on Windows 7 and Vista). This means that if
you want to extend the desktop of a computer running
Windows 7 or Vista that has a WDDM display driver, you
must first change (downgrade) to the standard VGA video
driver, which means that the Aero user interface will
not work, nor will high-performance video applications
such as TV, DVD, some games, etc. This is due to limitations
of the Vista WDDM video driver model. This downgrading
solution might or might not be acceptable to you.
You can use Extramon with a combination of XP/2000 computers
and Vista/7 computers. You will be able to extend the
desktop of the XP/2000 computer, but the desktop of
the Vista/7 computer cannot be extended.
How
to Change to the Standard VGA Video Driver
This
procedure is for Windows 7 and Vista computers only.
Right-click
on the desktop and select Personalize - Display Settings
- Advanced Settings - Adapter - Properties - Driver
- Update Driver.
Then
select "Browse my computer for driver software"
and "Let me pick from a list of device drivers
on my computer."
Select
Standard VGA Driver from the list. The computer
must be restarted for the change to take effect.
Once
you have restarted the computer, you can press Start
on the Extramon main window to extend your desktop.
This will install the Extramon video driver.
You
can change your computer back to the original WDDM video
driver at any time (although you will lose the Extramon
functionality). It is recommended that you disable the
Extramon video driver at the same time. Otherwise, the
next time you restart your computer, Windows will give
you a warning message saying that one of your video
drivers (the Extramon driver) is not compatible, and
that it has disabled it for you.
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