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Exhaust fan too fast
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Junior Member
Join Date: Dec 2006
Status:
Offline
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Hi...
This is a brand new Mac Pro. Was doing fine for a few days. Now the exhaust fan is running way too fast. May be a coincidence, but it started when Parallels froze and I had trouble force quiting it. But the high fan speed is now permanent.
iStat Pro is showing all temp areas are good: approx 80 - 85 F. The exhaust fan is showing around 1500RPM.
I left the Mac turned off all night and still it's too fast this morning. Even taking the Macs side panel off doesn't do anything. I reset the PRAM since I couldn't think of anything else. Didn't help.
Any suggestions? I thought I'd try here first before calling Apple.
Thx,
D.
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Offline
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Did you run the hardware test disc?
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Junior Member
Join Date: Dec 2006
Status:
Offline
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Originally Posted by Big Mac 
Did you run the hardware test disc?
I didn't know there was a hw test. I just ran it. The normal test came back clean, the extended test returned an error: 4SNS/1/40000000:TH3P-128.000
Guess it's a call to Apple, then.
Thanks@
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Junior Member
Join Date: Dec 2006
Status:
Offline
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In case anyone's interested, Apple phone tech support couldn't resolve it, and I'm still not certain they ever deciphered the error code. They dispatched an onsite tech who swapped out the motherboard, CPU, power supply, and fans.That was yesterday. All's well now. Wow, changing the mobo on Mac Pros is a pain in the butt!
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Fresh-Faced Recruit
Join Date: Mar 2008
Status:
Offline
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Originally Posted by opus_az
In case anyone's interested, Apple phone tech support couldn't resolve it, and I'm still not certain they ever deciphered the error code. They dispatched an onsite tech who swapped out the motherboard, CPU, power supply, and fans.That was yesterday. All's well now. Wow, changing the mobo on Mac Pros is a pain in the butt!
Geez, I'd assume so, how long did it take the tech to do that?
thats quite the project compared to replacing a DIY PC. lol
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Offline
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It was nice of them to dispatch an on-site tech. You must be a highly valued customer.
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Posting Junkie
Join Date: Nov 2000
Location: in front of my Mac
Status:
Offline
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Yeah, that's great service! 
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Posting Junkie
Join Date: Jan 2006
Location: Colorado
Status:
Offline
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Originally Posted by Big Mac
It was nice of them to dispatch an on-site tech. You must be a highly valued customer.
Of course he is. They know he frequents MacNN and if they do it wrong we'll all hear about it and we'll boycott Apple for two hours 
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Senior User
Join Date: Aug 2006
Location: Toronto, Ontario
Status:
Offline
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R.I.P Steve Jobs
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