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Use laptop A's LCD as secondary monitor for laptop B
Can I use a laptop as Second monitor
Can I use my laptop as a second monitor for my desk computer?

I currently have two laptops.

Laptop A - Sony Vaio Model: PCG 71312L OS: Windows 7

Laptop B - Toshiba Satelite A105 OS: Windows XP Pro

Laptop B's monitor has damaged and does not function. However, it can output screen on an external monitor as I tested it with an regular PC desktop monitor.

I have been desperately searching for a way to use my laptop A as an external monitor for laptop B. Or ultimately what I like to achieve is to be able to operate laptop B without using another external monitor as I cannot afford to buy one.

Any creative way to achieve my ultimate goal would be highly appreciated.

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marked as duplicate by studiohack, Dennis Williamson, Tom Wijsman, KronoS, BloodPhilia Jan 31 '11 at 1:55

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

2 Answers 2

I'm pretty sure you won't be able to use the monitor from Laptop A as an external monitor for Laptop B directly.

If however you are able to use a regular external monitor on Laptop B for a short time you could setup Remote Desktop (right click on my computer, properties, advanced system settings, remote (tab), select allow connects. You might also want to adjust the users that can log in via these means.

Once this is done you should be able to log into Laptop B by opening the start menu and typing remote (in the windows 7 search bar), "Remote Desktop Connection" should be the first search result. Use that, type in the name of Laptop B then you'll need to log into it.

Another option is to setup a VNC server on laptop B and a viewer on Laptop A. I use Ultra VNC. This is a reasonably simple option for controlling (and seeing whats on the screen of) the second laptop, but you can run into some quirks here and there.

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+1 for Remote Desktop suggestion. Borrowing a screen for a short time to enable it is the easiest way to achieve this. –  user3463 Jan 31 '11 at 1:09

You can use a paid solution called MaxiVista, but that's pretty much the only solution out there...

Multi Monitor Software

MaxiVista turns any spare Desktop, Laptop or Netbook PC into a dual monitor for your primary computer. No extra multi monitor hardware is required. Simply extend program windows across multiple screens as if it were one big monitor. Increase your productivity by using multiple monitors.

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