3900 PRO noisy fan on boot

  Veriton 3900 PRO, fan is very noisy when I boot. I discovered if I hit DELETE to go into SET UP and then F10 to SAVE AND EXIT SET UP the fan speed drops to quiet. Any clues as to what bis happening here please?

   Cmos battery looked promising, the installed one was very dead, but a replacement did not solve this problem. I guess my routine is only a couple more key taps on boot up.

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  • Macbook Pro - Noisy Fan ?

    HELLO! I've just purchased a refreshed 15'' MacBook Pro at the Apple Store recently. I'm in love with it!
    Just a few days ago, my MacBook Pro has been making these loud noises coming from the right side of the speakers. I'm assuming it's the fan because whenever I would run heavy programs like Photoshop and a few other programs the sound of the right speaker gets pretty prominent. And whenever the computer isn't running anything, you can hear a faint sound of that noise. I don't know how I can exemplify the sound of this noise... It somewhat sounds like when the MacBook Pro reads discs except I have to deal with this noise whenever I turn the computer on.
    Please I need to resolve this problem as I don't want to make a 2nd trip back to the Apple store.
    THANK YOU! Love you all.

    Unfortunately, there is no one here going to cure a hardware issue for you. You will need to get it looked at if it's a fan or mechanical issue, which it sure sounds like.
    -Bmer
    Mac Owners Support Group
    Join Us @ MacOSG.com
    ITMS: MacOSG Podcast
     An Apple User Group 

  • Just updated to 10.10.2 0n Mac book pro noisy fan

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    thanks

    Try a SMC reset:
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  • G5 Dual 2.7Ghz Constant Noisy Fans

    Hi there,
    I'm really annoyed with this whole situation since Apple don't appear to have publicly acknowledged the noisy fans/chirping noise problems G5 users (with varying spec hardware) have been experiencing and posting about for over a year.
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    Prior to this, I hadn't run a software update since December 2005 purely because I had heard horror stories from friends and other G5 users posting to forums etc. - if it ain't broke, don't fix it right?
    I haven't really had the time to devote to trying to sort the problem out but I decided earlier today that tonight was the night to have a look at it.
    Having spent all evening trying various things I am now convinced it is a hardware problem as opposed to being software related.
    Here's what I tried earlier with the machine spec as above:-
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    2. Ran all Disk Warrior tasks on both drives - eg, 0% fragmentation
    3. Re-booted, fan noise still there from login window
    4. Manually ran daily, weekly and monthly CRON jobs from Terminal - OK
    5. Ran Disk Utility on main HD, repaired permissions - OK
    6. Ran Disk Utility on secondary HD, verified disk - OK
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    13.Attached Firewire HD with Mac OS X 10.3.8 installed
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    15.Rebooted into Panther, same problem, fan noise still there from login window
    AAAAAARRRRGGHHHHH!!!!!!!!!!
    The last time I booted my G5 from the Panther Firewire HD (which incidentally hasn't been used since) was prior to me doing the 10.4.4 update on my G5's main boot drive and there was NO fan noise whatsoever!!!!!
    Clearly I need to call and speak to someone at Apple tomorrow as the G5 is nearly one year old and I need to get this problem sorted out before it's out of warranty.
    It just seems an odd coincidence that the problem started when it did!
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    I'm just really frustrated and a little annoyed that having been a very content Mac user for years this is the first and only time I've ever had a problem with a piece of Apple kit.
    Like I said at the top of the post, I can't believe the lack of acknowledgement on Apple's part as it would appear to be a known/common issue.
    Just my £0.02.
    Thanks for reading/listening.

    Ok, take a look on your plastic shield, one of the bottom "tabs" should have a shiny metal coating of some sort, if it's gone or moved, then this could be the reason your fans are going "turbo".
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    It's most likely a wise decision to have the G-folks take a look at it anyway before it gets out of warranty. you might need a fan calibration or firmware change.
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    The Dual 2.7 is the hottest PM of the bunch, overclocked I would think.
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    Do a backup, a clone of your boot drive to a external using Carbon Copy Cloner (check in the forums for their advice!) would be better.
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    Don't install any OS/root level/admin password type programs or hacks until you've had a chance to clone that pristine puppy to a external drive (preferably 2) and keep it disconnected for safekeeping.
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  • Noisy fans on all the time

    I have come over from the dark side today (PC to Mac switcher). I got a second hand Mac Pro 2.66 quad with four HDD and 4GB ram and i seem to have very noisy fans. I did find this article
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    I have alread tried resetting the smc_rst button on the logic board but that did nothing. I also tried restarting the machine with command, option, p, and r down before the grey screen on startup and that did nothing.
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    Mac Pro most likely for "MP" shorthand.
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  • Trouble running hardware test on 07 iMac with noisy fan

    Hello
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  • Noisy fan (or fan-like) sound coming from machine. Thoughts?

    My macbook pro is from 2008 to start. I had the computer completely refurbished back in August 2011, though.
    However, in the last two days, it has twice produced this impossible-to-miss noisy whirring/rattling sounds that sounds a lot like a very noisy fan. The first time, it last for about 5 seconds just as the computer was starting up after I'd left it closed and off all night (leaning against the wall). The second time, however, the computer had already been on for several hours, always upright, and just for some random reason started making the same noise. This time it lasted for a good 15-20 seconds.
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  • MacBook Pro A1126 fans goes 'crazy'

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    How do I stop the fan noise or at least reduce the noise,by the way it's from the left fan & there are two fans in the MacBook Pro...
    Thanks in advance!

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    If one fan is significantly louder than the other, Courcoul's advice should be taken. 
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  • One of my MacBook Pro's fans is running at full speed

    Out of the blue today, my 2011 MacBook Pro started fans went mental when I awoke if from it's sleep. They started running at full speed, far louder than I've ever heard them before. I searched through other discussions and it suggested I try an SMC reset. I performed one of these with no success.
    I then opened smcFanControl and noticed that my leftside fan was running at 7000rpm+ and the rightside fan was running at normal speed 2000rpm. It randomly spools on and off high speed and I cannot find any fixes or similar problems online. Can anyone suggest a fix for this or should I be taking it to a repairer?
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    Hi andyBall_uk
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  • Windows 7 professional 64 Bit on MacBook Pro Retina 15 with Boot Camp ?

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  • Why Hp does not find any solution for Noisy Fan systems ?

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    I got DV6t  core i5  6gb ram + 1gb Ati Radeon Graphic Card (6490m) + bluetooth + Bluray 
    I have to return it because of that noisy fan ; i was a new member of Hp family and i never investigate about that product for Laptop. After it got that gorgeous Laptop , i got this fan issue ; and i research that fan is working normal/anormal ; what i find out is Hp has a Noisy Fan Issue on all of the Video clips , Forum Websites even its own website ; I realy didnt know till i got it. If that is a common issue , Why that big brand HP doesnt solve that problem since many years ? I sincerely doesnt want to return this item because of fan ; because there is no comparative product in others company has .... (Bluetooth + Bluray + Finger print + 1gb (Integrated Graphic) and $749 ; i can not find any brand or product which includes that options in this price ..... So UNFORTUNATELY i am returning that Beautiful Laptop Because of ridiculous fan noise ; is that really hard to install a fan which is really silence ??? I have a Toshiba brand laptop , even the fan is working  hard there is no bothering noise at all (Even its 4 years old) . I was thinking that Hp product has high performance equipment thats why this fan works hard or noisy because it could be stronger than my Toshiba which has core 2 duo technology 256 mb graphic card ; But i was wrong because of this video clip ; http://www.youtube.com/watch?v=-yLEXZGRGPY

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    Some private information, such as your name, may appear in the log. Anonymize before posting.

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  • My mac pro keeps trying to boot up but will not.

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