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I need to create a multi-monitor setup for my desktop computer but I have no additional monitors with me right now, aside from my laptop. Is it possible to use my laptop screen as an external monitor?

Note that I am not trying to connect a monitor to my laptop, rather, I am trying to connect my laptop screen to a desktop video card (if this is possible).

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up vote 4 down vote accepted

You can do something sort-of similar using synergy; you can control both computers from one mouse and keyboard using your network connection. This isn't quite the same thing, since windows won't drag from one machine to another. On the other hand, it does give you more processing power at your disposal, so it's a bit of a tradeoff.

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as a note synergy is cross-platform. but sadly undeveloped the last I checked. – xenoterracide Apr 10 '10 at 1:58
that's why you use Synergy+ ( – Chris_K Apr 10 '10 at 2:36
QSynergy is even better! adds a GUI to Synergy+:… – studiohack Apr 12 '10 at 19:18
Synergy+ would be great if it worked with vmware on the client... but it seems that I can't use shift, ctrl, or alt. Bug report: – retracile Apr 13 '10 at 23:03

Check out this webpage from lists the (mostly) free alternatives to good of a list as you're gonna get...

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I´ve got the same problem at work. After a bit of searching the web I found this piece of software. It´s called MaxiVista and provides the use of other Computers as monitor. You can move your mouse over the screens like you plugged them directly onto your Computer.

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however, Maxivista costs $40! – studiohack Apr 10 '10 at 6:45
yeah but the trial version lets you use up to three computers as monitors. but I´m glad you posted that list :-) – Diskilla Apr 10 '10 at 15:38
ya, MaxiVista is a killer app, just wish it were free/less expensive! Kind of boggles my mind to think about what MaxiVista does, to tell you the truth! :) – studiohack Apr 12 '10 at 21:44

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