Mouse won't move to second monitor

donander
donander used Ask the Experts™
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I just installed second monitors on a couple of computers I support. They are both Dell Optiplex 760 with ATI graphics card which has a proprietary connector to which one connects the supplied Y cable. The other end of the cable has two DVI sockets. I had deployed the computers with one monitor. The users just purchased second monitors and I installed them this morning. I tested moving a window from the primary to secondary monitor on one system but apparently did not do so for the other. The user is reporting that the mouse will not move from the primary to the secondary monitor. I thought he was trying to drag a maximized window, which I know will not work (must be non-maximized) but he says he can not even move the mouse cursor to the secondary monitor. I have not seen this yet as I am working in another building on campus. I tried having him switch the primary monitor to the other one and the mouse moves there but now won't go to the other monitor so it seems like a configuration problem rather than a monitor problem. Any ideas?
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if he's dragging something from left to right and it doesn't work, have him drag the mouse to the other side of the monitor (right to left)... if the mouse shows up on the other monitor, have him identify the monitors in the display settings and make sure the 1st monitor is on the left.  Maybe it's not that simple... just a thought.
Commented:
make him move the mouse to the opposite side check if it enters the second screen

Author

Commented:
Sorry, maybe I wasn't clear. I've already instructed him to move ONLY the mouse pointer to the other monitor and it won't move to the other monitor.
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i think what we're both trying to say is that even though the second monitor is physically on the right side of the main monitor, windows may have it configured so that it's actualy on the left side.  See if he can move his mouse to the other monitor using the left side.

hth
Most Valuable Expert 2013
Commented:
Try this
Credit to ITnotify
Top Expert 2012

Commented:
Of course, it may be as simple as the second display being set up as a clone instead of an extended desktop - but the mouse should still be visible on both.
You'll need to find your control panel for screen resolution & hit "Identify".

This will flash a (1) on primary monitor, (2), (3), etc.   The screen will also show the virtual orientation of the monitors.

As others have said, the operating system may think the monitor is to the left, top, bottom, rotated, etc...it cannot sense where the monitor is _physically_.

You have to drag the monitor shape into the proper position.  That's how you line them up so the mouse crosses over at the proper location.  Otherwise, the mouse will appear to jump as you cross over.

This is a screen shot from Win7.  I have a monitor to the right, and rotated 90-deg so I can read portrait pages full-screen.
monitor-identify.jpg
Now, here I've clicked on monitor #2.  You can drag it around to match the proper location.
monitor-identify2.jpg

Author

Commented:
Stupid me. I did not see that you all were saying to drag the mouse off the LEFT side of the primary. I didn't really READ carefully. Sure enough when I did that, it went onto the secondary. When I clicked the Identify button, the numbers on the monitors were reverse of the monitors in the Display Properties applet. As aleghart suggested, I just dragged monitor 1 from the right of 2 to the left of 2 and everything worked.

If no one objects, I propose to share the points equally among slightlyoff, snowalps, MASQUERAID, and aleghart, but not award any to Callandor as Clone was not the problem. I've increased the points to 260 so that they will divide evenly, with 65 points going to each expert.

Thanks,
donander

Commented:
hey donander glad to know you figured it out (:-)) well slightlyoff and me were talking of the same thing :-) no problems about that though, am only glad you finally made it work.
Glad you "fixed" it.  Next time, you'll look like a genius.  :)

Author

Commented:
Thanks!
donander

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