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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Frozen screen and startup login screen


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balonge

 
Member Since: Jul 18, 2011
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My screen will freeze, but the mouse cursor can still move, but can't click on anything. Have to use the hard button to turn off Mac. Then it comes up to the login screen but mouse still won't work. Usually if turn off again and then return it on the second time around the mouse will be able to click on a login and it will go into the OS. It will work sometimes for an hour, sometimes several hours and sometimes only a short time. First I tried reseating my ram, didn't work, then I checked each one individually and still ended up freezing with each one. Then I took my old ram, which was good and it still froze up. The newer ram is over a year old, so it wouldn't be from installing new ram. Occasionally when starting up, I will hear one long beep, but it will go to the login screen or startup the OS even though it beeps. Any suggestions? I have an iMac 2.8 GHz Intel Core 2 Duo with 4 GB of 667 MHz DDR2 SDRAM. I'm wondering if this is some kind of hardware issue because of the beep. If this may be something else, can you direct me to the appropriate forum. Thanks.
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Lifeisabeach

 
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Quote:
Originally Posted by balonge View Post
My screen will freeze, but the mouse cursor can still move, but can't click on anything. Have to use the hard button to turn off Mac. Then it comes up to the login screen but mouse still won't work. Usually if turn off again and then return it on the second time around the mouse will be able to click on a login and it will go into the OS. It will work sometimes for an hour, sometimes several hours and sometimes only a short time. First I tried reseating my ram, didn't work, then I checked each one individually and still ended up freezing with each one. Then I took my old ram, which was good and it still froze up. The newer ram is over a year old, so it wouldn't be from installing new ram. Occasionally when starting up, I will hear one long beep, but it will go to the login screen or startup the OS even though it beeps. Any suggestions? I have an iMac 2.8 GHz Intel Core 2 Duo with 4 GB of 667 MHz DDR2 SDRAM. I'm wondering if this is some kind of hardware issue because of the beep. If this may be something else, can you direct me to the appropriate forum. Thanks.
Try booting into Safe Mode to see if the problems persist. If they do, boot from your install DVD to access Disk Utility. If the problems persist even when booted from the install DVD, then you have a hardware problem of some sort. If the problems do not persist when booted from the install disk, then you should Verify/Repair Disk from Disk Utility. Instructions here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck

You should also run the Apple Hardware Test, found on the OEM install disks that shipped with your Mac.
The Apple Hardware Test


Please verify and include the exact model/year of your Mac and OS X version number (available from "About This Mac", then "More Info" on the Apple menu).
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Links: Onyx | EasyFind | Apple Hardware Test | How to test your hard drive | The Safe Mac Adware Removal Guide | Uninstall MacKeeper
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Lifeisabeach - Mac-Forums Member of the Month June 2009, Feb 2012, and March 2013.
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balonge

 
Member Since: Jul 18, 2011
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Thanks. For some reason my #1 of 2 disks is missing so Apple is sending me another one and is due within the week. I figured I would need the disk. When I get it, I'll try the things you said. Meanwhile I hope this will keep coming up and working for a while. I'll write how it turns out once I get the disks.

Quote:
Originally Posted by lifeisabeach View Post
Try booting into Safe Mode to see if the problems persist. If they do, boot from your install DVD to access Disk Utility. If the problems persist even when booted from the install DVD, then you have a hardware problem of some sort. If the problems do not persist when booted from the install disk, then you should Verify/Repair Disk from Disk Utility. Instructions here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck

You should also run the Apple Hardware Test, found on the OEM install disks that shipped with your Mac.
The Apple Hardware Test
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