Disable Multiple Monitors

February 17, 2006 at 08:56:17
Specs: Win XP SP2, 512
I set my display settings to use dual monitors awhile ago, but I only have one monitor. I couldn't figure out how to change it back and it didn't seem to be bothering anything, so I just left it and forgot about it. Then I discovered last night that I couldn't project my PowerPoint presentation onto a screen! I survived the presentation without any visuals, but I don't want that to happen again. I've tried to change the display setting, but both the options are the same: multiple monitors. How can I fix this? Thanks.

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#1
February 17, 2006 at 09:15:28
ArIs there a multiple display adapter installed in the PC?

i_XpUser


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#2
February 17, 2006 at 09:21:00
I don't know. How can I find that out? (In Device Manager, there's only one display adapter listed, but I don't know if it's for multiple displays--it says ATI Mibility Radeon 7500 if that's any help. . .)

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#3
February 17, 2006 at 09:26:54
Did you try the "standard" way?

Right click a free area of the desktop, select "properties"

Click the "settings" tab

Click the mouse on the seconary monitor grapic,

UNCHECK the box "extend my Windows desktop onto this monitor"

Click the primary monitor graphic

Make sure that "use this device as primary monitor" is CHECKED


If you're not sure which is 1 and which is 2, tap the "identify" button. It should display a huge, gigantic "1" on the primary monitor.


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#4
February 17, 2006 at 09:43:46
Yes, I've tried that many times! The secondary monitor does not have a check on extend to this monitor. The primary monitor has the primary monitor AND the extend box checked. They're grayed out and I can't uncheck the extend box. The identify button indicates that both monitors are number 1, which makes sense because there's only one monitor.

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#5
March 2, 2006 at 18:16:16
The IT folks at my job found the solution, and it is in the Display settings but not the grayed out extend box. Even when I connected my laptop to a projector, that box remained gray. However, when the primary monitor was highlighted and I clicked on the advanced tab, it opened up a window with more tabs. I'd seen this before but didn't know what to do. When I click on the Displays tab, there are three sections: Monitor, Panel, and TV. TV was already marked as not connected. However, the Monitor (picture of a monitor) had a red corner. When I clicked on that, it changed that section to Not Connected--so the Panel section (picture of a laptop) was the only display selected. Now my laptop projects properly. Problem solved.

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