Change primary monitor windows xp greyed out

In Display settings, click on the rectangle representing the monitor that you want to designate the primary monitor in Display settings. Windows will highlight the box representing the selected monitor. If there is a greyed-out checkbox already there, it means that the monitor you selected is already the primary monitor. If you want to change the main display back, first.

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I can duplicate the desctop on both monitors but if I attempt to extend across both, it will put the main desktop on monitor 2. I can move open windows between monitors but I cannot reverse them. Thursday, May 14, AM. I have a system with Windows 7 RC1 and two monitors -- similar problem. My main monitor is a Viewsonic and my secondary is a Samsung plasma TV. No matter what I do, Windows 7 will not recognize 2 displays and turn on the ViewSonic. I have simulated the same problem with Vista x I have tried multiple versions of the nvidia drivers GTX Windows XP Pro 32bit has no problem identifying both display and working in any configuration.

I suspect this is an issues with x64 Windows. I hope we get some guidance on this. Sunday, May 17, AM. I've seen a number of topics on this problem on a number of forums, but I thought I'd bump this old thread since it was the one I happened to be on at the moment. I've got the single most frustrating situation involving this problem. I had been running the Windows 7 release candidate since last fall, but it was about to expire.

So this weekend I installed the final x64 Windows 7 and ran into this issue, which I did not have before. Here's my setup:. Despite there being an option to choose which monitor is the primary one in the Display Settings, it has always been grayed out for me. After several hours of messing around, I have finally been able to figure out a solution that should work for everyone who has that option grayed out. Well, they do, it just takes a little trickery to get it done.

New comments cannot be posted and votes cannot be cast. Responses to this topic. This works with my Dell Latitude D Connect your external monitor to your laptop. On your laptop: Under Display Settings make sure the external is attached and working as the second monitor the laptop LCD should be primary.

Click Apply or OK if you need to. Under Monitor click the number 1 button to make it the primary display. Click OK, OK, and you are done.