AMD GPU fan runs constantly even after disabling DGPU

I have a HP-Pavilion dv6 6121TX, with AMD 6770m gpu.
The fan of the gpu runs constantly even after disabling it using the following command
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
the output for "cat /sys/kernel/debug/vgaswitcheroo/switch" is as follows
0:DIS: :Off:0000:01:00.0
1:IGD:+:Pwr:0000:00:02.0
It shows that the DGPU is off and yet the fan for the same runs continuously at full speed.
Would be really grateful for any suggestions.
Thank you.

You might also try a different battery if you have access to one. Unfortunately, many of the replacement batteries being shipped by Apple are defective. They don't fit properly into the battery bay. I suspect that if the quality control is this poor, then it seems likely that other problems will arrise as well. Check carefully that the battery itself is not overheating. Another possibility which also happened to me is that after installing the last upgrade to the operating system, one or more of the third party widgets became problematic, causing the same problem you describe. After removing all third party widgets, the problem stopped. Good Luck

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Hello Stigs
I use Tecra notebook (M1) for years and I can tell you that this model is really one of quietest notebooks I know but it is definitely no utterly quiet and cooling fan runs almost constantly but on slowest level. I know that it has nothing with your problem but I just want to say that quietest notebook produces noises.
Reading your posting I can just say that you are probably right when you say that it can not be because of hardware because the notebook temperature is OK and there is no sign of overheating. The fact is that all newer notebooks are louder than some old models and Tecra A3 is one of them and unfortunately there is no much to do. As far as I know nobody has reported about any software bug till now. Many bugs are fixed by BIOS updates and all I can recommend you, is to check if new BIOS version is available and see if this can help. Please before you start with BIOS update read carefully Instructions how to do this.
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Not sure of the feasibility of this, but one potentially cheaper option would be to buy a matching model from Ebay that has a non-logic board related fault (screen, physical damage, etc.) that can be bought cheap and the logic board transplanted to your own. At $1200 you are clearly in the "buy a new one" category. You would have to consider things like whether the MPB is registered (and potentially locked) like iOS devices can be. Not sure if the same security applies to Macs?
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Here is the EtreCheck results:
Problem description:
fans running constantly and CPU slowing down
EtreCheck version: 2.2 (132)
Report generated 4/28/15 7:42 AM
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
The following internal tasks failed to complete:
/usr/sbin/system_profiler -xml SPFontsDataType
Hardware Information: ℹ️
    MacBook Pro (15-inch, Mid 2010) (Technical Specifications)
    MacBook Pro - model: MacBookPro6,2
    1 2.66 GHz Intel Core i7 CPU: 2-core
    8 GB RAM
        BANK 0/DIMM0
            4 GB DDR3 1067 MHz ok
        BANK 1/DIMM0
            4 GB DDR3 1067 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
    Battery: Health = Normal - Cycle count = 141 - SN = W0020PTD7BWZA
Video Information: ℹ️
    Intel HD Graphics - VRAM: 288 MB
    NVIDIA GeForce GT 330M - VRAM: 512 MB
        Color LCD 1440 x 900
System Software: ℹ️
    OS X 10.8.5 (12F45) - Time since boot: 0:39:23
Disk Information: ℹ️
    TOSHIBA MK5065GSXF disk0 : (500.11 GB)
        disk0s1 (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 499.25 GB (73.74 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    MATSHITADVD-R   UJ-898
USB Information: ℹ️
    Apple Internal Memory Card Reader
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Inc. BRCM2070 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Computer, Inc. IR Receiver
Gatekeeper: ℹ️
    Anywhere
Kernel Extensions: ℹ️
        /Applications/KeyRemap4MacBook.app
    [loaded]    org.pqrs.driver.KeyRemap4MacBook (8.4.0 - SDK 10.8) [Click for support]
        /Applications/Roxio Toast 6 Titanium/Toast 6 Titanium.app
    [not loaded]    com.roxio.TDIXController (1.3) [Click for support]
        /System/Library/Extensions
    [not loaded]    com.IKMultimedia.driver.StompIO1 (1.0.0) [Click for support]
    [not loaded]    com.avid.usb.mbox.driver (1.0.18) [Click for support]
    [not loaded]    com.digidesign.fwfamily.driver (9.0f4) [Click for support]
    [loaded]    com.digidesign.iokit.DigiDal (10.3.4f181 - SDK 10.6) [Click for support]
    [not loaded]    com.digidesign.usb.elevenrack.driver (1.0.1) [Click for support]
    [not loaded]    com.ikmultimedia.driver.StealthPedal (1.0.0) [Click for support]
    [not loaded]    com.paceap.kext.pacesupport.master (5.9 - SDK 10.6) [Click for support]
    [not loaded]    jp.co.roland.RDUSB0138Dev (1.0.0 - SDK 10.6) [Click for support]
        /System/Library/Extensions/PACESupportFamily.kext/Contents/PlugIns
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    [not loaded]    com.paceap.kext.pacesupport.panther (5.9 - SDK 10.-1) [Click for support]
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Startup Items: ℹ️
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    RDUSB0138Startup: Path: /Library/StartupItems/RDUSB0138Startup
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Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
    [running]    com.avid.mbox.helper.plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
    [unknown]    com.oracle.java.Java-Updater.plist [Click for support]
    [loaded]    org.pqrs.KeyRemap4MacBook.server.plist [Click for support]
Launch Daemons: ℹ️
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    [running]    com.digidesign.elevenrack.helper.plist [Click for support]
    [running]    com.digidesign.fwfamily.heler.plist [Click for support]
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    [unknown]    com.oracle.java.Helper-Tool.plist [Click for support]
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User Login Items: ℹ️
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Internet Plug-ins: ℹ️
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    Flip4Mac WMV Plugin: Version: 2.3.8.1 [Click for support]
    iLokClientHelper: Version: 3.5 - SDK 10.5 [Click for support]
    Silverlight: Version: 4.0.60831.0 [Click for support]
    FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    QuickTime Plugin: Version: 7.7.1
    googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
    iPhotoPhotocast: Version: 7.0 - SDK 10.8
    AdobePDFViewer: Version: 10.1.1 [Click for support]
    JavaAppletPlugin: Version: 14.6.0 - SDK 10.8 Check version
Audio Plug-ins: ℹ️
    Avid CoreAudio: Version: 10.3.4.181 - SDK 10.6 [Click for support]
3rd Party Preference Panes: ℹ️
    Digidesign Eleven Rack [Click for support]
    Flash Player [Click for support]
    Flip4Mac WMV [Click for support]
    Mbox [Click for support]
    RC-300 [Click for support]
Time Machine: ℹ️
    Mobile backups: ON
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 499.25 GB Disk used: 425.51 GB
    Destinations:
        Shupester [Network]
        Total size: 3.00 TB
        Total number of backups: 66
        Oldest backup: 2013-06-17 21:18:22 +0000
        Last backup: 2015-03-19 06:26:07 +0000
        Size of backup disk: Excellent
            Backup size 3.00 TB > (Disk size 499.25 GB X 3)
    /sbin excluded from backup!
    /usr excluded from backup!
    /System excluded from backup!
    /bin excluded from backup!
    /private excluded from backup!
    /Library excluded from backup!
    /Applications excluded from backup!
Top Processes by CPU: ℹ️
        31%    mtmd
        19%    Safari
         8%    Finder
         6%    mds
         4%    Dropbox
Top Processes by Memory: ℹ️
    180 MB    Mail
    172 MB    mds
    139 MB    Safari
    131 MB    WebProcess
    106 MB    Pages
Virtual Memory Information: ℹ️
    4.72 GB    Free RAM
    3.28 GB    Used RAM
    0 B    Swap Used
Diagnostics Information: ℹ️
    Apr 28, 2015, 06:53:27 AM    Self test - passed
    Apr 27, 2015, 11:34:56 AM    /Users/[redacted]/Library/Logs/DiagnosticReports/Pro Tools_2015-04-27-113456_[redacted].crash
    Apr 27, 2015, 11:34:23 AM    /Users/[redacted]/Library/Logs/DiagnosticReports/Pro Tools_2015-04-27-113423_[redacted].crash

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Battery shows X and fans run constantly.

All of a sudden yesterday, my computer wouldn't turn on. I finally took the battery out numerous times and decided to hold the power button, that fixed it. Now, my computer works but the battery at the top corner shows an X (but works when unplugged) and my fans run constantly.
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Message was edited by: Jay Bullock

IMac fan running constantly is this ok??

ok so i got my 21.5-inch, Mid 2011, 2.5 GHz Intel Core i5 iMac and i can hear the fans running constantly so i was wondering if this was ok or not so i downloaded stat pro to check my fan speeds and my fans are running at:
Optical Drive 1399rpm - No disc in
Hard drive 1099rpm
Cpu Fan 1190rpm
i was just wanting to no if they look right or not?
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Hi Aldan,
all the fans run all the time, they never stop.
It might make you feel better to get aftermarket Pref. panel like 'Fan Control' which displays the speed in your Menu Bar & you can adjust the speeds also, if you wish.
And by the way those speeds are normal.

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I have a macbook pro 13-inch, Late 2011, until a month or so ago it had been running perfectly with no problems. At some point the magasfe power adapter stopped working, when i plugged it into my laptop there would be no light on it, and my laptop would not turn on or show any sign of turning on, i also tried the charger on my friends macbook and it did not charge hers either, i assumed it was a problem with the charger and therefore bought a new one but then found there was other problems with the laptop, it seems to only turn on when i connect the charger and then quickly press the power button before a light comes on the magsafe power adapter and hold it for around 5 seconds, the light is constantly green on the magsafe power adapter, as soon as it starts up the fans come on and are extremely noisy, the barttery doesn't charge and the laptop only works when connected to a source of power, the battery icon has an x in it and says 'no battery available' i have tried multiple supposed fixes such as resetting the SMC, cleaning the fan, and other things i have seen online but nothing seems to be working, I'm starting to wonder if the battery needs to be replaced? and if that has anything to do with the fans running constantly, can anyone help or having any other suggestions of how to fix my problem?
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Make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar
Note that you posted in the Mac Pro desktop forum

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Have tried:
Rebooting, putting into sleep mode, shutting down completely, unplugging and replugging power supply from wall and MBP while on and off, resetting SMC with Shift Control Option Power keys/buttons.
No third party battery or power apps installed, fresh load of Mavericks from factory when I got it back. This feels like something with the new energy management in Yosemite isn't working as expected to me. Thoughts & suggestions appreciated!

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Light on MagSafe connector is orange, battery shows as charging, fan is not running constantly. I can't begin to understand how this would effect the battery charging functions but, after uninstalling this, the problem was resolved. Hope this will help someone else.

Fan runs constantly after installing replacement battery

I received my replacement batteries on a timely basis, charged them as instructed and get proper running time from them.
My issue is that suddenly the fan runs almost perpetually. I have zapped the PRAM, stared at the console utility looking for a problem, and watched activity monitor. All seem normal.
The CPU now runs at 140-142 degrees all the time. It would spike there occassionaly before but only when I knew I was pushing hard. Even connected to AC hoping that will vent the machine better has not helped.
Is it the replacement battery or just coincidence? Suggestions appreciated.

You might also try a different battery if you have access to one. Unfortunately, many of the replacement batteries being shipped by Apple are defective. They don't fit properly into the battery bay. I suspect that if the quality control is this poor, then it seems likely that other problems will arrise as well. Check carefully that the battery itself is not overheating. Another possibility which also happened to me is that after installing the last upgrade to the operating system, one or more of the third party widgets became problematic, causing the same problem you describe. After removing all third party widgets, the problem stopped. Good Luck

AMD GPU fan runs constantly even after disabling DGPU

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