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I have a bluetooth mouse (Razer Orochi if it matters), and I regularly switch between two computers which I'd like to use it with. Is there a way to make it so that I don't have to re-pair it every single time I change from one to the other?

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Then how would the mouse know which computer it is connected to at that moment? –  soandos May 26 '11 at 1:20
    
@Soandos: not my problem ^^ –  RCIX May 26 '11 at 1:21
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I read what you are asking. I am telling you why its needed. The mouse cannot be connected to two computers at a time. The way it connects it by pairing. The reason that it has to pair is so that it knows how to communicate with the device. I supposed that it might be possible to hash something out over a PAN but it would be a very bad idea as all commands would be sent to both computers. –  soandos May 26 '11 at 1:24
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5 Answers

up vote 2 down vote accepted

There are two ways to do this.

The "old-fashioned" way of using a KVM is one. Essentially it's a box that you plug your devices into. Flip the switch on it to switch computers. There are other features provided (more than 2 computers, more than 2 in/outputs, buttons, yadda yadda yadda not relevant) but that's basically it.

You can also use Synergy, where basically you just move your mouse between screens to change both the "focus" of the keyboard and monitor. It works by pairing the device with a "host" computer then having it essentially pass off the input commands to the other computer when the mouse changes monitors.

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Use Synergy

Synergy is Free and Open Source Software that lets you easily share your mouse and keyboard between multiple computers, where each computer has it's own display. No special hardware is required, all you need is a local area network. Synergy is supported on Windows, Mac OS X and Linux. Redirecting the mouse and keyboard is as simple as moving the mouse off the edge of your screen.

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ok a stupid solution I use is to disable any onboard bluetooth and use a dongle. Plug it into computer 1 - mouse and keyboard work on computer one - take it out and plug it into computer 2 - mouse and keyboard work on computer two.

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It is entirely dependent on the Bluetooth peripheral whether it allows pairing with more than one computer. This is commonly supported by, for example, Bluetooth headsets (I have one which pairs with up to 2 devices), but I haven't heard whether any mice do.

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  • Insert a Bluetooth adapter into your computer's USB port. You do not need to do this if your computer already has built-in Bluetooth support.
  • Turn on your Bluetooth mouse.
  • Go to one of your computers, click the "Start" menu and click "Control Panel."
  • Type "Bluetooth" in the top search bar.
  • Click "Change Bluetooth Settings" and go to the "Options" tab.
  • Check the boxes next to "Allow Bluetooth devices to find this computer,"
  • Allow Bluetooth devices to connect to this computer" and "Alert me when a new Bluetooth device wants to connect." This enables discovery mode, which allows your computer to find your Bluetooth mouse.
  • Click "Add Bluetooth Device" in Control Panel. Select your mouse and click "Next."
  • Choose a pairing method to use with your mouse. You can select "Create a pairing code for me" to have Windows generate an eight-digit key to enter when pairing the device, "Enter the Devices pairing code" if the mouse already has a code or "Pair Without a Code" to not use a pairing code for the mouse.
  • Click "Next." Follow the instructions. During the process, Windows exchanges the pairing codes, and installs the drivers for the mouse. Click "Close" when this process is completed.

Repeat this process for any other computer that you would like to use the mouse with. You can now use the mouse with any of them.

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