Mouse cursor 'locked' to top left of screen

Mac Technical Support
The mouse cursor will not move across the entire screen, and stops about 3/4 of the way down and to the right, preventing use of the many icons on the lower area of the screen.

I use a resolution of 1920 by 1080, as anything higher makes the screen fonts and icons too small for my eyesight.

This issue happened when WoW came out with 5.1, and is now happening with D3 1.07.

After several unsuccessful emails back and forth between tech support, I was able to fix the Wow issues by deleting cache files which was not suggested by tech support.

WHY does this keep happening with every latest patch on my MACs... yes both of the MACs running Mt. Lion?

Pleas fix this as I do not intend to keep changing my screen resolution anytime I want to play a Blizzard game.

My main machine is an iMac with Mountain Lion with these specs:

iMac
Model Identifier: iMac11,3
Processor Name: Intel Core i7
Processor Speed: 2.93 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 16 GB
Processor Interconnect Speed: 4.8 GT/s
Boot ROM Version: IM112.0057.B01
SMC Version (system): 1.59f2
Chipset Model: ATI Radeon HD 5750
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x68a1
Revision ID: 0x0000
ROM Revision: 113-B9710C-238
EFI Driver Version: 01.00.417
Displays:
Display Type: LCD
Resolution: 1920 x 1080
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Connection Type: DisplayPort
Thanks for the report. Few questions:

  • Are you playing in fullscreen, windowed, or windowed-fullscreen mode?
  • Does this happen in all display modes?
  • Does this happen in other resolutions you have available?

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