HDX18 fan runs constantly after BIOS update

I updated my BIOS to the latest F.31 version before installing Windows 7 as recommended. Now my fan runs at the same speed all the time no matter what. Before this my fan ran very slowly at idle and blew like a hurricane when I was running games or the TV tuner. It changed with the conditions now is always the same.
I went into the BIOS and there is a setting for "fan always on" that I could change to disabled. I am comfortable in the BIOS but a little leery of making any changes as I am not an expert here. Anyone have this issue? Will disableing the fan always on make it variable again? I regularly blow out all my vents and the computer is very clean so I don't think it is a dust issue.
Dave

oh I see. One option is to supplement with an small external fan (these are cheap) near the laptop's air intake. I'm not sure if changing the BIOS setting would make it variable again, that's an interesting question. Regardless I would supplement with external fan to be on safe side in my humble opinion.

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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
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    Apple Computer, Inc. IR Receiver
Gatekeeper: ℹ️
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    [running]    com.avid.mbox.helper.plist [Click for support]
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    [unknown]    com.oracle.java.Java-Updater.plist [Click for support]
    [loaded]    org.pqrs.KeyRemap4MacBook.server.plist [Click for support]
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    [loaded]    com.adobe.SwitchBoard.plist [Click for support]
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    Dropbox    Application (/Applications/Dropbox.app)
    apple-scc-20150427-140055    UNKNOWN (missing value)
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    o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
    AdobeExManDetect: Version: AdobeExManDetect 1.1.0.0 - SDK 10.7 [Click for support]
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Audio Plug-ins: ℹ️
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    Mbox [Click for support]
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Time Machine: ℹ️
    Mobile backups: ON
    Auto backup: YES
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        Macintosh HD: Disk size: 499.25 GB Disk used: 425.51 GB
    Destinations:
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        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!
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Top Processes by CPU: ℹ️
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        19%    Safari
         8%    Finder
         6%    mds
         4%    Dropbox
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    172 MB    mds
    139 MB    Safari
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    3.28 GB    Used RAM
    0 B    Swap Used
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    Apr 27, 2015, 11:34:56 AM    /Users/[redacted]/Library/Logs/DiagnosticReports/Pro Tools_2015-04-27-113456_[redacted].crash
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Problem in booting after bios update

Originally, it was windows home basic was installed in my laptop. But recently I had installed Windows professional. After installation I have downloaded all drivers which are compatible for my laptop model. After BIOS update installation my pc is not booting up at all. Only power button, WiFi and capslock is lighting. Capslock is continuosly blicking. Even FAN speed gets lowered. I have tried hard reset as well as windows+B comand during startup still condition is same. Please reply me....

see help 8....
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HDX18 fan runs constantly after BIOS update

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