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I have a Windows 10 laptop with a high resolution (3840x2160), high DPI built in display. I have two "standard" external 1920x1080 monitors attached to the laptop to use for extended desktop. One of those is connected by HDMI, the other through DVI connection to a USB3 hub. The mouse cursor looks fine on the laptop screen. When I drag the cursor onto either of the external monitors, the mouse cursor grows to be about 5x bigger than it is on the laptop screen.

I've installed the latest NVidia drivers and tried adjusting scaling settings for each monitor with no success. I've tried them connected one at a time and swapping the connections between the two monitors, but it's always the same.

Nothing else I can see is affected. Icons, applications, pictures, background images, etc are all fine. Just the mouse cursor grows to ridiculous proportions on the other screens.

  • Does disabling power saving options for the graphics card under Power Options help? – Vinayak Apr 26 '16 at 15:39
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    Can you screenshot what the cursor looks like when it grows? Try making an external monitor you main display instead of the UHD laptop screen – Narzard Apr 26 '16 at 18:30
  • This could be tied to per monitor DPI settings that has been implemented in W10 i think, have you checked that setting? – Petr Vávro Apr 28 '16 at 12:35
  • Now, after recent updates, the issue has gone away. So it looks like either a Win 10 issue or a NVIDIA driver issue that has since been resolved. – BBlake Apr 28 '16 at 13:05
  • tomshardware.co.uk/forum/6585-63-mouse-larger-screen it looks like ATI had this problem on the 5000 series and they solved it also with a driver. – yoyo_fun May 1 '16 at 0:36
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Try following (specially 1st and 7th)

  1. Change theme : change to OOTB theme(like Windows Black) and check again
  2. Try with different user account : Most of the times this will solve your problem. I am not saying this is final solution but you will narrow down the issue.
  3. Try the test in safe mode : If it works in safe mode then the issue is with some running service that we need to identify.
  4. Restore to earlier system restore point and test What I am trying to say is this issue might be specific to some of your user specific setting / service.

  5. Run antivirus check just to be on safer side.

  6. if any other screen is easily available then try to test with new screen (although I think this is very unlikely the cause) so that you can conform that issue is not with hardware. also there is a setting to reset the monitors try that one as well.
  7. If your monitors are rotated monitors. Setting the rotation to normal and then setting it back to 90 degrees seems to resolve it.
  8. Disable pointer shadow within the cursor menu

Hope this helps.

  • none of these helped, but per my note above, the issue has gone away for the time being after most recent updates to Win 10 and video drivers. – BBlake Apr 28 '16 at 13:05
  • Ok, Good to hear that the issues is solved :) . – Amol Ramkrishna Patil Apr 28 '16 at 15:02
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I have a temporary fix, but it's better than nothing. Go into display settings and select one of your external displays. Change the zoom slider up or down, then see if that works. Then close out of the settings window.

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Set your default display as one of the 1080p external screens, and then restart.

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