Mouse frozen - stuck in top left corner

Mouse is stuck in top left corner of log in screen.
Will not move.
Have restarted repeatedly and also done a safe mode restart.
Any ideas or has the trackpad simply died?

I didn't even suggest that because I would have thought that would be the first thing anyone would have checked for! If you flip the on/off switch on the bottom of the mouse do you have a blinking green light? Whether you do or don't, if you are unsure of the batteries then replace them.

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Cursor/Mouse is stuck in top left hand corner by apple icon HELP

My cursor is stuck in the upper left hand corner and will not budge. I've restarted from the OS disk, looked at system profiler - usb profile and the mouse appears. This means it should be software related, not hardware related. I've restarted the cpu multiple times logging in under differnt users and have replaced the mouse & keyboard it's attached too with backups. NOTHING WORKS! My mouse is stuck in the top left hand corner barely touching the apple icon. When I click the mouse, the drop down menu appears so it is communicating with the cpu. However it just will not move/track anywhere! I'm an almost 20 yr mac user having survived a few 'sad mac' faces in the Mac Classic, Performa, & 8100 days, but have never run across something like this before.
HELP PLEASE!!! Would love to know a fix for this, or even what has caused it. In lieu of that I suppose I'd be okay with re-installing my system software as all programs & sensative info is on a seperate HD.
FYI I can't reinstall by rebooting via OS disc because the mouse doesn't work. Any help here?
FYI I do not have (not sure what it's called exactly) the function/preference turned on which allows me to move the cursor with the keyboard & can't get it turned on now as I can't navigate the system preferences windows in a functional manner.
Thanks & PLEASE HELP,
Phillip

Phillip,
I had this problem recently with a 3-year old Mac Pro intel, which was eventually replaced by Apple due to myriad other problems. When the frozen mouse happened, there was nothing I could do. Very frustrating to have the screen boot and the cursor is up there stuck, on the top left corner of the screen. Frozen. I called support several times. They were amazed. At one point they had me buy a cheap USB mouse (I was using a wireless mouse from Logitech and they thought there might be some kind of conflict). The USB mouse didn't work, either. Neither did an Apple mouse when I went out to buy one.
I ended up driving 70 miles to take the Mac to an Apple Store. I think they reinstalled the (Leopard) system in some secret way, because when the mouse was frozen so was everything else and I couldn't open the disk drive to put the OSX disk in there.
Why I'm here right now is that the same thing happened today with my NEW 3-month-old REPLACEMENT MAC PRO using its brand new wireless mouse, and I was hoping to find some insight. Again, a frozen cursor after the boot. Same top-left corner of the screen. Unlike you, when I click the mouse nothing happens -- no drop down.
Luckily, when I hard-rebooted by holding the button in, the mouse cursor came back. This time. Now I am afraid to turn my computer off. Been there done that before. Anyone have suggestions?
Thanks in advance.

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The next time you hold down the power button shut it off hold down the Shift KEY so that you reboot into safe mode. Continue holding the shift key down until you see the spinning wheel/sundial . From Safe mode you can run Applications/ Utilities/ Disk Utility-> DIsk First Aid, Verify DIsk and Repair Permissions.
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Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Note: If FileVault is enabled under Mac OS X 10.7 or later, you can’t boot in safe mode.
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The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
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I didn't even suggest that because I would have thought that would be the first thing anyone would have checked for! If you flip the on/off switch on the bottom of the mouse do you have a blinking green light? Whether you do or don't, if you are unsure of the batteries then replace them.

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Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
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Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
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Phillip,
I had this problem recently with a 3-year old Mac Pro intel, which was eventually replaced by Apple due to myriad other problems. When the frozen mouse happened, there was nothing I could do. Very frustrating to have the screen boot and the cursor is up there stuck, on the top left corner of the screen. Frozen. I called support several times. They were amazed. At one point they had me buy a cheap USB mouse (I was using a wireless mouse from Logitech and they thought there might be some kind of conflict). The USB mouse didn't work, either. Neither did an Apple mouse when I went out to buy one.
I ended up driving 70 miles to take the Mac to an Apple Store. I think they reinstalled the (Leopard) system in some secret way, because when the mouse was frozen so was everything else and I couldn't open the disk drive to put the OSX disk in there.
Why I'm here right now is that the same thing happened today with my NEW 3-month-old REPLACEMENT MAC PRO using its brand new wireless mouse, and I was hoping to find some insight. Again, a frozen cursor after the boot. Same top-left corner of the screen. Unlike you, when I click the mouse nothing happens -- no drop down.
Luckily, when I hard-rebooted by holding the button in, the mouse cursor came back. This time. Now I am afraid to turn my computer off. Been there done that before. Anyone have suggestions?
Thanks in advance.

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Are you talking about the green '+' button in the top left corner? That technically doesn't enlarge it. It switches the window from the default window size to the custom size you made. You can enlarge the window by moving your mouse to the bottom right corner of the window, and dragging until you get the size you want.
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That sounds like a Hardware problem.
You may be able to confirm that with Apple Hardware Test, or make an appointmenst for a free Genius Bar evaluation.

Mouse frozen - stuck in top left corner

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