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Helpful answers
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Sep 26, 2013 10:00 AM in response to Gabriel McNeilby BDAqua,★HelpfulHello Gabriel,
Have you blown the dust out lately?
If you can ever...
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
If you don't know the model, find the Serial# & use it on one of these sites, but don't post the Serial# here...
http://www.chipmunk.nl/klantenservice/applemodel.html
http://www.appleserialnumberinfo.com/Desktop/index.php
How to find the serial number of your Apple hardware product...
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Sep 28, 2013 6:42 PM in response to BDAquaby Gabriel McNeil,I clean my computer fully and still no luck....
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Sep 28, 2013 6:48 PM in response to Gabriel McNeilby BDAqua,Have you done a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379
In fact, do 3 in a row, takes a bit of time.
How to reset the SMU/PMU on a Power Mac G5 (Late 2004) or Power Mac G5 (Late 2005) ...
http://support.apple.com/kb/HT1436
Earlier G3, G4, G5 models...
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Sep 29, 2013 1:36 AM in response to BDAquaby Gabriel McNeil,it wont give me a chance to do anything other than login sometimes if even that.
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Sep 29, 2013 11:30 AM in response to Gabriel McNeilby BDAqua,So, you can't even do a PRAM reset?
Do you know if Firmware Password is set?
Firmware password protection in Mac OS X ...
http://support.apple.com/kb/HT1352
It would block usage of all the startup keys, like C, N, T, D, CMD+s, CMD+Option+p+r, CMD +v, Option boot will show a lock, and Shift, as well as booting from anything but the Hard Drive.
Force Removing Password Protection
1) Add or remove DIMMs to change the total amount of RAM in the computer.
2) Then, the PRAM must be reset 3 times. (Command + Option + P + R).