How can I extend my laptop screen to the screen of a second laptop? [duplicate]

How can I extend my laptop screen to the screen of a second laptop? [duplicate] I have a spare laptop and I'd like to use it as a second monitor for my laptop.
Asked by: Guest \| Views: 464

Total answers/comments: 1

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Guest [Entry]

"ZoneScreen 'might' work with Vista if you follow the workaround posted on their website.

Windows Vista and Windows 7 Limitations

These operating systems have two
important limitations affecting
ZoneScreen display driver. First, due
to Windows Display Driver Model (WDDM)
architecture, ZoneScreen virtual
display driver can't run unless
leagcy XP drivers are installed on
main video adapter. Also, for
Windows Vista x64 and Windows 7 x64
digital signature enforcement for
kernel drivers is also applied
(ZoneScreen driver do have
authenticode signature but appropriate
digital certificate costs a lot). So,
virtual display driver is not loaded
unless this enforcement is disabled."