Mouse+Keyboard Freeze and LOUD fan noise...

Hi,
Seems to be a few similar threads, so here we go...
Just got my iMac G5 20" 1GB Ram (OS 10.4.3) 2 days ago. All went well and suddenly, mouse + keyboard froze. About 10sec later, the fans kick iun, VERY loud. Never stopped for 2 hours.
If I reboot, shutdown and restart, do all the kind of troubleshooting you can read, it always starts again int he grey screen with the Apple and the fans at max revs, VERY nousy.
Eventually it goes away. But about 1 hour later, same story.
I ran the Apple Hardware test and all tests came PASS but there was originally a memory error POST/0/2048 notice. But the 1GB memory test passed...
Had a chat with the Apple Agent support, said this code shows a hardware component failure.
Have to bring back 10KG of EXPENSIVE Apple HW to the store tomorrow.
Great way to spend Xmas indeed
Any comments or suggestions?
Thanks,
JP

Hey,
When does this happen exactly? On Toshiba screen or Windows startup screen?
Are you running factory settings or another OS?
I think its hard to say why this happens. It could be software or hardware malfunction
Fact is you can test the RAM modules using Memtest86 or another diagnostic tool. You can ask Google to find it, its freeware. Just download an iso image and create a bootable CD/DVD. If you boot from this disk you can start the test.

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Hello all,
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13-inch, Mid 2010
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Graphics NVIDIA GeForce 320M 256 MB
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4. Release all the keys and the power button at the same time.
5. Press the power button to turn on the computer.
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Welcome to Apple Discussions...
I would start with the Apple Hardware Test (AHT)
http://support.apple.com/kb/HT1509
....see if it finds anything wrong....remember it needs to be run off install DVD1 that came with your MacBook...run the extended set of tests...
Since several symptoms seem to be power related an (SMC) reset might sort things out...
http://support.apple.com/kb/ht3964?locale=en_US
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also, check this out http://docs.info.apple.com/article.html?artnum=30612
Message was edited by: Armand Loonux

Black screen and loud fan noise-- With Log Info

I am running 10.5.8 on a second gen iMac and am having problems with the fans running super loud, the screen goes black and it cannot be woken up. I have cleaned it out (no dust or dirt) and checked the caps (visually anyway) and they look fine. I am guessing that my power supply is going, but want to check the log (as recommended on the iMac forums) but cannot figure out how to get there. Below is from my log files from the past week.
May 14 16:01:57 localhost DirectoryService[11]: Improper shutdown detected
May 14 16:02:00 localhost kernel[0]: AppleSMU -- shutdown cause = -110
May 14 19:18:47 localhost DirectoryService[11]: Improper shutdown detected
May 14 19:18:48 localhost kernel[0]: AppleSMU -- shutdown cause = -110
May 14 19:18:58 localhost mds[38]: (/.Spotlight-V100/Store-V1/Stores/DB63D5B5-5269-4FAD-BFB2-674902BB3D6D)(Error) IndexCI in ContentIndexOpenBulk:Unclean shutdown of /.Spotlight-V100/Store-V1/Stores/DB63D5B5-5269-4FAD-BFB2-674902BB3D6D/live.2.; needs recovery
May 14 22:48:26 Macintosh shutdown[413]: halt by Hermitts:
May 14 22:48:26 Macintosh com.apple.loginwindow[39]: Shutdown NOW!
May 14 22:48:26 Macintosh com.apple.loginwindow[39]: System shutdown time has arrived^G^G
May 14 22:48:26 Macintosh shutdown[413]: SHUTDOWN_TIME: 1273891706 794211
May 15 06:54:27 localhost kernel[0]: AppleSMU -- shutdown cause = 1
May 15 09:32:21 localhost DirectoryService[11]: Improper shutdown detected
May 15 09:32:22 localhost kernel[0]: AppleSMU -- shutdown cause = -110
May 17 08:14:49 localhost DirectoryService[11]: Improper shutdown detected
May 17 08:14:53 localhost kernel[0]: AppleSMU -- shutdown cause = -110
May 17 08:15:08 Macintosh mds[38]: (/.Spotlight-V100/Store-V1/Stores/DB63D5B5-5269-4FAD-BFB2-674902BB3D6D)(Error) IndexCI in ContentIndexOpenBulk:Unclean shutdown of /.Spotlight-V100/Store-V1/Stores/DB63D5B5-5269-4FAD-BFB2-674902BB3D6D/live.2.; needs recovery
May 17 17:59:53 localhost DirectoryService[11]: Improper shutdown detected
May 17 17:59:54 localhost kernel[0]: AppleSMU -- shutdown cause = 3
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May 18 17:51:04 localhost kernel[0]: AppleSMU -- shutdown cause = -110
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May 19 09:10:19 localhost DirectoryService[11]: Improper shutdown detected
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Shutdown cause 110 is always a thermal problem, which means that your power supply has bitten the dust. It needs replacing, and hopefully, that will be all you need. If you are handy, go to [http://www.jimwarholic.com/2008/07/how-to-repair-apple-imac-g5.php] for instructions on replacing it.
Message was edited by: MGW

Black Screen...loud fan noise

While online today, the power in our house went out. When the power came back on, I re-started my Mac. Black Screen and loud fan noise. I have turned my Mac off and on about 10 times. I've also unplugged. Still black screen and fan noise. Any suggestions?

rad_thundercat wrote:
I'm having this exact same issue.
I moved my iMac to another room, plugged it in and turned it on. Black screen and racing fans. No beeps. I've tried all the PRAM and SMC resets, still nothing.
Not the exact same issue. Please create your own thread. However please do the SMC reset at least 3x back to back. It is also possible you are not doing it correctly, please follow the directions in:https://discussions.apple.com/docs/DOC-3603

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1      launchd                   root       0.2      1.2 MB          2.34 GB
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11     notifyd                   root       0.0      584 KB          2.33 GB
12     diskarbitrationd          root       0.0      1.5 MB          2.33 GB
13     configd                   root       0.4      3.3 MB          2.36 GB
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Mac Pro will not boot, constant loud fan noise and nothing else

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Message was edited by: jlseattle74

Why does my MacBook Pro suddenly turn really really slow and make a really loud fan noise?

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Welcome to Apple Support Communities
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My Macbook Pro is 3 months old and recently it has been making quite a loud fan noise whenever i play music/video or even turning up the volume. I haven't been playing music/ video for ages. Is there any solution?

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Try resetting the SMC http://support.apple.com/kb/HT3964

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Hi there,
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Thx in advance for ya replies....

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Mouse+Keyboard Freeze and LOUD fan noise...

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