MacBook :: Sudden Motion Sensor Works With Any New Hard Drive?

Aug 11, 2010

I'm going to have to pop a larger hard drive in this Macbook (2007) to buy a little time before I replace the computer. Does anyone know if my Macbook's sudden motion sensor can work with *any* replacement hard drive to tell that drive to park its heads in the event of a drop? Or does that only work with certain ones?

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MacBook Pro :: Hard Drive With Freefall / Sudden Motion Sensor

May 3, 2010

What are some good hard drives that have a freefall/sudden motion sensor in them? Planning on putting it in the optical drive bay. I am aware of the scorpio black, but I am wanting something with a bit more storage.

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MacBook Air :: Sudden Motion Sensor On SSD?

Feb 14, 2009

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Do the MBAs with a SSD still have a sudden motion sensor? I was trying to use smack book with my Rev A SSD, but the SMS is either broken or missing, trying to figure out which it is.

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MacBook Pro :: Sudden Motion Sensor With 2 HDs?

Jun 7, 2010

I've just installed a Crucial C300 256Gb in my Macbook Pro 17" and replaced the Superdrive with a Seagate 500Gb.

I'd like to disable the SMS for the SSD but keep it for the 2nd HD. Is there anyway to do this?

I believe the following is for all drives at once.

# to disable

sudo pmset -a sms 0

# to enable

sudo pmset -a sms 1

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MacBook Pro :: Sudden Motion Sensor Not Working?

Sep 19, 2010

I just dropped in a 1 TB drive into my 17" MacBook Pro and it seems like that the Sudden Motion Sensor doesn't work not. I do not hear the sound when it engages as I did with the stock 500 gig drive that was in there. My understanding is that the Sudden Motion Sensor was not built into the drive and it was built into the notebook itself. Shouldn't I still be hearing the drive stop when the Sudden Motion Sensor engages?

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MacBook Air :: No Sudden Motion Sensor For 2010?

Nov 22, 2010

Downloaded iAlertU and it turned out not to work.

I then found no sudden motion sensor present in the system profiler of new macbook air 13. Looks like we miss another quite cool feature.

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MacBook Pro :: Does The Sudden Motion Sensor Work With 12.5mm 1TB Drives?

Dec 1, 2010

I'm installing the Samsung SpinPoint drive tonight and was curious. Does the sudden motion sensor still function properly? The reviews on Newegg don't seem sure. One guy thinks it still works, but he simply
no longer hears it, and another is convinced that without the clicking sound that comes with moving the MBP, it's simply not functioning.

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MacBook Pro :: Can't Enable Sudden Motion Sensor On 13" MBP?

Sep 11, 2009

My new MacBook Pro's "Sudden Motion Sensor" won't seem to enable. I've done the Terminal commands listed on Apple's support page and I get a "1" instead of a "0" next to the results, implying that the system thinks it's turned on, yet under "System Profiler" it says "Disabled."

I'm not sure if this would influence it but, I do have a WD500GB Scorpio Blue drive inside and was suffering from the "Beach ball of death" issues associated with the 3rd party HDD's, so I downgraded from the 1.7 EFI Firmware to the 1.6. Anyone experienced this issue or have any recommendations?

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Macbook Pro 13" Doesnt Have A Sudden Motion Sensor

Jun 9, 2012

I was looking around the big web recently, and saw liquid mac. I downloaded and installed it on my 2011 13 inch macbook pro but it said it couldnt find a sudden motion sensor. So i checked system information, and it confirmed this... I didnt have a sudden motion sensor. Should i go and get this fixed somehow?? can they fix it or will they replace my laptop? Also, the hdd is factory installed if that makes a difference. I have applecare

Info:
MacBook
Pro, Mac OS X (10.7.4)

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MacBook Pro :: Disable Sudden Motion Sensor After Upgrading To SSD?

Aug 25, 2014

I put a 1TB Samsung 840 EVO in my MacBook Pro (9,1).  Should I disable the sudden motion sensor?  Does it do anything else other than park the hard disk (like something with the fans)?

Info:
MacBook Pro, OS X Mavericks (10.9.4)

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MacBook Pro :: Sudden Motion Sensor Causing Click And Beep?

Jul 10, 2009

Some hard drives have a motion sensor in them. These are NOT supposed to be in MacBook/Pro's as the Macs have its own Sudden Motion Sensor. If your MBP has both, they could be conflicting with each other. Try this simple test to see if the problem goes away: (if you're not adventurous, don't proceed)

[URL]

<<To disable the Sudden Motion Sensor:

Find the current status of Sudden Motion Sensor:

(log in as administrator)

1. From the Finder's Go menu, choose Utilities.
2. In the Utilities folder, open Terminal.
3. When the command line appears, type sudo pmset -g and press Return.
4. Type in the administrator password when prompted and hit Return. This command queries the computer for the current setting of the Sudden Motion Sensor, which you can determine by locating the ams entry (in Mac OS X 10.3) or the sms entry (in Mac OS X 10.4 and 10.5) and looking to the right to determine its value. The default setting is "1" (turned on). 0 means off.

Disabling the Sudden Motion Sensor in Mac OS X 10.4 and 10.5:

1. In Terminal, which should still be open from the previous step, you can disable the Sudden Motion Sensor by typing sudo pmset -a sms 0 and pressing Return (changing the setting to a zero disables the module).
2. Type your administrator password when you are prompted and press Return.
3. Type the sudo pmset -g command again to be sure that the setting has been applied.

Any changes that you make to the Sudden Motion Sensor setting remain in effect even after you restart the computer. If you choose to disable the Sudden Motion Sensor, Apple recommends that you re-enable it as soon as possible in order to take full advantage of the feature.

To re-enable the Sudden Motion Sensor:

Find the current status of Sudden Motion Sensor:

1. From the Finder's Go menu, choose Utilities.
2. In the Utilities folder, open Terminal.
3. When the command line appears, type sudo pmset -g and press Return. Type your administrator password when you are prompted and press Return. If you have the Sudden Motion Sensor turned off, the value of the ams entry (in Mac OS X 10.3) or sms entry (in Mac OS X 10.4 and 10.5) will be a zero (0). >>

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OS X :: Sudden Motion Sensor - Can't Deactivate?

Dec 20, 2009

i have big problem with Sudden Motion Sensor (SMS) its impossible to deactivate it.

I've used commands from [URL]

Snow Leopard 10.6.2, MBPro 15.4" 2.66 Mid 2009

Always sms has value -1, i cant set it to 0 (turn off)

here is terminal log:

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OS X :: Deactivate PowerBook Sudden Motion Sensor In 10.5

Nov 11, 2008

I think this post would fit in the Hardware/Notebook-section as well but since I am looking for a OSX workaround, I will post it here:

I have a problem with the sudden motion function in my PowerBook. When switched on, the SMS causes to switch off the internal hard-drive at random, even if the Laptop stands on a perfectly still and flat surface. This results in interruptions that make it impossible to work with the computer.

I already had this problem when I was running Panther (10.3.9), and deactivated the SMS with the "pmset"-command using the Terminal at the time. As long as I was running Panther, this workaround worked perfectly for me, I had no more hard-drive-interruptions.

Later, however, I made the Upgrade to Leopard (I skipped Tiger), making a clean install after formatting the PowerBooks hard-drive. Now the SMS was active again (and displayed "active" in the System Profiler) and the HD-interruptions were back.

So I tried to deactivate the SMS with the "pmset"-command - this time without result. I can set the value of "sms" to 0 and back to 1 all right - the Terminal shows the corresponding value when prompting "pmset -g".

Unfortunately this has no effect to either the hardware (the interruptions are still there) or the System Profiler (is displays "active" for the sms, regardless of the value that is shown when using "pmset -g"). I am aware that the variable was altered from "ams" to "sms" from Panther to Tiger (and subsequently Leopard), but neither "pmset -a ams 0" nor "pmset -a sms 0" would work.

To exclude the possibility of a real hard-drive-malfunction, I bootet the Powerbook from an external Firewire-Drive an with my an Panther-backup. After making some testing with accessing the internal HD (it worked fine), I looked into Panther's System Profiler and saw that the SMS was deactivated as expected.

I then experienced something strange - when rebooting Leopard, the sms-Status in the Profiler still was "inactive" and the PowerBook worked perfectly again. I was quite happy and made some updates. However, somehow the status was set to "active" again after some reboots, along with the malfunctions experienced before.

I wanted to find out, whether this "reactivation" had something to do with one of the updates (I brought the system up to 10.5.5 at the time) and booted the old Panther again. The sms was inactive again, again remainded inactive after reboot with Leopard.

I tried to reboot with and without power plug, I even made a PMU reset - the SMS remained inactive (which was good and made me hopeful again). However, after I switched of the Notebook and bootet again a few hours later, the sms-Setting in the Profiler was "active" and the Notebook was again not working properly.

Is there any possibility to access the sms-setting apart from "pmset" in the Terminal? Where does the system profiler derive the status from?

I want to deactivate the sms for good and at the moment this apparently works only in Panther (and I really don't want to downgrade to 10.3 again). I don't want to have it repaired since I think this would mean to replace the Logic Board which is a much too expensive investment for a 4.5-year-old Notebook.

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MacBook Pro :: Hard Drive Installed With Motion Sensor - System Slowed Down

Aug 20, 2010

I replaced the hd in my 13" macbook pro with a western digital blue, 500gb. My concern is that the computer is not as snappy as I think it should be. I understand that I might have installed a hard drive with a motion sensor and that the motion sensor of the hd may conflict with the motion sensor of the mac itself and that might be the source of the slowdown? If so, which sensor should I deactivate, the mac's of the hard drive's?

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Applications :: Sudden Motion Sensor Not Working Fine / Y Direction Things Moving In The X Direction

Mar 27, 2010

I have bought a macbook pro in the late 2009.. and its sudden motion sensor is repositioned (in version 5.3) and it works in the other way around.. when i try with programs that use the sensor to make sth.. like when you move right, the things going upwards.. and when you move in the y direction things are moving in the x direction..
So has anybody have this problem?

And i have been reading articles about new version Smackbooks which works with this version but nothing was helpful so far..
I am calling those people who have the same version as me and have some proper apps to work with our version...

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MacBook Pro :: MBP Motion Sensor For SSD?

Apr 29, 2010

I have ordered several new MBPs (5 with SSDs...) for my clients, but have a mechanical HDD for myself in my new MBP; I just thought about the motion sensor that locks mechanical HDD read heads on sudden acceleration, and realized that it is an OS feature... Has anyone that has a mid 2010 MBP and a SSD noticed HDD lock in sudden movement with a SSD?

You can simulate this 'lock' by moving the MacBook suddenly when playing content from the drive... Has anyone seen the drive cause playback to halt for 2-3 seconds while the SSD 'recovers'? If so, this needs to be fixed...

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MacBook Pro :: How Can I Reduce The Motion Sensor's Sensitivity?

Aug 23, 2010

Been having this clicking sound on my 13"MBP lately. I was told it might be the motion sensor being too sensitive. Anybody know how to reduce this sensitivity?

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MacBook :: Motion Sensor Kills Back Light?

Mar 29, 2010

Here's a new one (for me anyway).

2007 MacBook: 2.16 Ghz, 3GB RAM, Intel GMA etc.

Anyway, all of sudden, any motion I make kills the backlight of the screen. In the right light you can still see things and the computer still works perfectly, just extremely hard to see. Have to do a restart in order to get going again.

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Applications :: An App To Change The Song Using Motion Sensor?

Jan 29, 2010

i need a software that enables me to change the song by hitting the macbook. I want it to use the inbuilt motion sensor.. I had a software for virtual desktop..which would help me to change the desktop by hitting the macbook (not a wild one)... please let me knw if there is such app..

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MacBook Pro :: Hard Drive Vibrates And Makes Noise / Works Very Fast?

Dec 25, 2010

I've got a seagate 7200.4 500gb hdd, although it is fast. It vibrates a lot in my mbp. Has anyone else experienced this? I'm thinking of swapping to a 640gb 5400rpm hdd.

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MacBook Pro :: Is There Adapter That Works That Would Allow To Connect An External Hard Drive Over ESATA

Apr 16, 2012

I have a Mid 2010 15" Macbook Pro, and I want to connect an external hard drive over eSATA. My model of MBP does not have an ExpressCard/34 slot, but instead an SD card reader slot. Is there an adapter that works that would allow me to connect an external hard drive over eSATA?

Info:
MacBookPro, Mac OS X (10.7.3)

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App Store :: Update Available Of Apple Motion On Mac But  Not Works

Mar 22, 2012

I have 3 update available, about motion, i cloud etc, but doesnt work when try to download it, i tryed also to trow out motion and tryed to purchase again (since i had already payed i suppose i am not going to be charged again) but mac app store see it as already installed alttough it is in thrash bin?

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OS :: External Hard Drive Works On Vista Not On OSX?

Jun 15, 2009

I have an external hard drive, it's been working fine and i have all of my mac info backed up on it. Also i have lots of windows stuff on it. All working fine without any issues... Until.With no reason it will not mount, there is power going to it and the lights are on and it's turning over but i cant seem to access it in OSX, it works fine in vista.I haven't formatted it and i havent lost any information on it.

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OS X :: Hard Drive Works In External Enclosure But Not In Mac Pro?

Aug 20, 2009

This is strange. I have a SATA drive that works when it's in an external USB enclosure but when I put the same SATA drive in one of the bays in my Mac Pro, the Mac Pro won't start up.Specifics:-I've reformatted the drive (with GUID and with Mac Partition Map), with no change in behavior-A different drive in the same Mac Pro drive bay works fine, so it's not the drive bay-the suspect drive in any of drive bay keeps the computer from booting (grey screen, no apple)

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OS X V10.7 Lion :: Western Digital Hard Drive No Longer Works With Mac?

Apr 30, 2012

I've been using a 3TB western digital hard drive flawlessly for months now. I'm posting here because the only thing that has changed within the time frame of my WD hard drive no longer working is updating my Lion install to 10.7.3. When I plug my WD hard drive into either of my macs (which are both running 10.7.3 , one is a macbook, the other an iMac) the external hard drive shows up on my desktop, and within 5 seconds will disconnect itself and I'll then get a warning telling me that I didn't eject my hard drive properly.I was starting to think it was my USB or power cable until I plugged the WD external into my old Compaq laptop that I'm running Linux on and it worked flawlessly!

Info:
MacBook, Mac OS X (10.7.2)

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MacBook Pro :: Led Light Turns On And The Fan Works Hard?

Jun 10, 2012

i´ve tryed everything that is written on the user manual, however nothing works....when i press the ON/OFF button, the led light turns on and the fan works hard....nothin else happens

Info:
MacBook
Pro, Mac OS X (10.7.4)

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Mac Pro :: DVD Drive Wont Read Blank CD-R/DVD-R All Of The Sudden

Aug 1, 2007

All of the sudden my Mac Pro wont read blank CD-R's and blank DVD-R's. It will read burned disc and software just fine. I was burning with these same disc fine a few days ago.

I get this "This disc cannot be used because it is not recognized."

I tried rebooting with no luck! The only thing that I've done to my Mac lately is add a 1 TB External HD (Western Digital) to my mac through the 800 plug.

My boss is coming over soon to pick up some disc.

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MacBook Pro :: Audiable Click Sound Of Hard Drive / Protection Of The Hard Drive Dropped?

Sep 1, 2009

Got a new MBP last month to replace my white MacBook - loving it as an upgrade but one gripe - if I'm sat using it on my knee I regularly hear the "click" type noise of what I imagine is the protection of the hard drive because it thinks it is being dropped.

I never heard this on my old Mac and while it's not a huge issue it is a bit disconcerting, as though I'm being told off for moving it in a fairly responsible way.

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MacBook :: Migrating Contents Of Hard Drive To New One / Hard Drive Has Partition For Bootcamp?

Jul 27, 2009

I have an aluminum unibody macbook from October 2008. I'm looking to upgrade the 160 GB hard drive inside to a 500 GB one I'm considering from Newegg. Would it be possible to migrate/copy/clone the entire contents of my current hard drive to the 500 GB one? I also have a section of my current hard drive partitioned for Bootcamp. Would this affect my ability to transfer everything over?

If this is possible at all, how can I go about doing so? If there are steps laid out somewhere, I'd appreciate a referral. Sorry if my question is a little elementary, but I did a search on these forums and also google and nothing really came up

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MacBook Pro :: Cloning Entire Hard Drive To An External Hard Drive

Mar 31, 2012

Recently I bought 2 identical WD Scorpio Blue 1TB hard drives for my macbook pro 13 inch 2010. My aim is to replace the internal hard drive with one of the two I just purchased and use it as my system drive with Lion, Windows and Data partitions. And for the other hard drive I want to use it as a full disk back up for the internal drive (now 1TB hard drive).After I was done with setting up both windows and mac and data transfer, when I booedt into the recovery partition from the internal drive to clone the drive to the external drive, the disk utility gave me this error (Could not validate source - error 254). I also tried using Carbon Copy Cloner but it only could clone partitions, not the entire drive. Yesterday I downloaded a copy of Clonezilla. It worked fine until it had to clone an exFAT partition (my data partition). The exFAT partition appeared as 'RAW' partition in clonezilla. As a result, the whole partition appeared to be full and clonezilla had to copy every single blocks of data in that partition and the estimated time remaining was about 30 hours. So clonezilla is out too. Just want to ask if there is any program/application (bootable or not) which allows can do a full disk clone to an external hard drive.

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