Upgraded RAM and now Fan is not working.
I have upgraded my RAM to 2GB. (using video guide) Everything appeared OK, but the mac mini was overheating and shutting down after 10 - 15 minutes. It appears that the cooling fan is not working, as far as I can tell. I have checked and cannot find any loose cables, I have tried powering up with and without the fan control cable connected (next to the battery at front of mac).
I have tried the hardware test but this is OK. I have tried some software downloads for monitoring the fan speed, but these appear not to work.
Is there a cable or connect that I should be looking at? DVD, sound and all else seems OK. The memory passes all ram tests.
I think you are referring to the fan control lead, which attaches at the front of the PCB near the battery. Is this the case? I have read that this only controls the speed so you don't have to attach the cable, in fact it suggests that if you leave this disconnected the fan should run at full speed.
This is the only cable that I needed to disconnect, and have tried with it attached and disconnected, with the same issue. I am thinking that the fan is dead, or is being stopped by the magnetic tiles, I guess these are used to create a magnetic field that forces the blades to spin, so I guess if one of these has come away from the unit then it may not work. I can see that I can get a replacement fan for about $29.
Can anyone confirm that these magnetic tiles are integral to the working of the fan?
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prompted to update iTunes today and now it does not work. tried reinstalling and caanot successfully reinstall.
Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (later)
Remove all of these items in the following order:
iTunes
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ThanksPlease read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins* and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up guest users” (without the quotes) in the search box. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step 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:
Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
When you see the gray Apple logo, release the shift key.
If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs. The next normal boot may also be somewhat slow.
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.
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Test while in safe mode. Same problem?
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