PowerPC :: Way To See That Temperature Sensor Is Working?
Jul 9, 2010
I could just by the replacement fan and swap it out but I am wondering if there is anything else that could be malfunctioning and causing the fan to NOT spin up - anything I can check before forking out the cash.Is there a way to see if the temp sensor is working? Could it be the LB? Can I test the electrical supply to the fan by using a multimeter? If so what setting/voltage, etc should I use to read that? And lastly, is there more than one fan?
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May 12, 2012
Is there a very simple way to show just the ambient temperature sensor reading on an iMac? Not for geeky or engineering purposes. Just to know the temp that the machine and the human are in. iStat widget shows it but really tiny, buried in all the other data,and only if you launch Widgets.Ideally, it would just work in the background and the temperature would show up in the menu on the right side. Maybe next to the time. Alternatively, as a little floating window on the desktop.Yep, just want to see the room temperature using the iMac thermometer.
Info:
iMac, Mac OS X (10.6.8)
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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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May 16, 2010
As of today, I noticed my ambient light sensor doesnt seem to work. I tried disabling and re-enabling it in system preferences, but that hasn't done the trick.
Is there some test I can do to see if it's working or not? I know it worked two days ago, because i took the i7 15" MBP outside and it automatically switched to max brightness. Today I took it outside and the brightness didn't switch at all and I couldn't see the screen it was so dark.
Since the last time it definitely worked, all I've done is install Windows 7 64-bit with Boot Camp and hooked up the MBP to an external 20" monitor with a minidisplay-DVI adapter.
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Jun 14, 2010
I bought my first Mac computer last month, the 13" 2.4 variant. Loving it so far.I have lately noticed however that my ambient light sensor is not much of help. Before, after coming out of sleep I could notice the screen changing to accommodate for the room's light output. I could also put my hand over the sensor near the iSight and witness the brightness decrease in front of me.
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Jun 14, 2010
My Macbook Pro keyboard Backlight is not working properly even in a darkroom.
I need to install a third party software (Lab Tick) to switch on the keyboard light.
I am not able to use F5 and F6 key to adjust the light dimness. I suspect the light sensor is having problem.
However, last night I received an error message, saying that my Mac is having problem, I need to press the Power button to restart the Mac.
After restart, the keyboard backlight is working (without Lab Tick), and I can adjust the light with F5 and F6.
But now,after I made the Macbook sleep and wake up, it's back to abnormal again.
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Sep 4, 2014
Just this morning, I opened my MacBook which had been sleeping overnight. for some strange reason, even when the screen was up, the light at the button was still glowing (indicating it was asleep). I tried forcing it to shutdown. When I turned it on again, it went to sleep mode right when the desktop was about to load. I tried booting from Windows 7 but sure enough, when I reached the login screen, the computer went to sleep. I concluded that it was definitely a sleep sensor problem.
Info:
MacBook, OS X Mavericks (10.9.1)
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Feb 28, 2008
Is there a moisture sensor on the Powerbook G4? I got mine soaked and it wont work (Kernal Errors and beyond).
I just opened it up, and didn't notice anything, but I didn't remove the logic board.
If there's not, maybe I can just play dumb and get it repaired?
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Dec 6, 2008
[URL] I went here. I have found out the iMac is a 2nd gen iMac G5. It has an ambient light sensor. I put my hand over it and it doesn't appear to actually do anything.
What is it supposed to do?
Do new ones have it? I have a 20" aluminum one as well, but don't see a sensor.
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Oct 12, 2007
I was wondering how/where the sensor is/works to tell the computer to go to sleep when the lid is closed. I am doing some mods (discussed in the marketplace forum) and would like to try to keep that sensor intact if at all possible, but i realized I have no idea where it is located or how it senses that the lid is closed on these.
I searched the forum a bit and found nothing, and can't find anything in google other then sleeping problems... unless I just am horrible at googlin.
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Jul 2, 2009
I've been having problems with my computer sleeping when the computer closes. Basically i've narrowed it down to the hall effect sensor but no one has that part for my computer! ifixit and powerbook medic only have it for the 12". and it's not like the 15" is just out of stock, it doesn't seem to exist.
So is the thing that senses that the laptop is closed and puts the mac to sleep something else on the powerbook? I've searched for reed switches and hall effect sensors.
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Mar 22, 2010
what is the normal temperature in C for my dualG5 1.8? is 47normal cause thats what im getting!
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Jan 11, 2008
On a dual USB iBook G3, what is the standard temp? Mine is currently at 113 degrees
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Jan 4, 2011
I noticed that iStat and Temperature Monitor report different temperatures for the same readings on my G5 Powermac Dual Processor System. For example as I am writing this Temperature Monitor is saying My CPU A is 46.8C and CPU B is 46.7C. In iStat it says CPU A is 55C and CPU B is 54C. Which is right!?
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Feb 19, 2009
I apologists straight away if this have been covered recently, but i need to ask.I have MacBook with Intel Core Due Processor, 2 GB ram.What is the average temperature CPU temperature for standard usage ( I know that standard usage is very arbitrary, and by this I assume safari, iTunes and let say Pages to be the only major apps running ).I use iStat pro widget and according to it my CPU temperature is 55*C. Is this too high? Lately the fan has been turning on more recently almost without any apps running so I think that there might be some hardware problem. I ran HardwareTest it found nothing.
The macbook is 2 yrs old. Do i need to get it cleaned or is there something else I should be worrying about?
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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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Sep 14, 2010
I know the MBP has the motion sensor, im pretty sure this is built into the computer correct? and I know the stock hard drive had the option(cant quite remember but it had something to do with the motion) Does that option mean the HDD has the capability to stop due to motion using the MBP motion sensor or does the HDD have its own sensor?
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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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Feb 14, 2009
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2_1 like Mac OS X; en-us) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5H11 Safari/525.20)
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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Jul 7, 2009
I'm curious if this would work with Darwiinremote or Remote Buddy for IR mouse movement on my Macbook. I tried a candle and I've seen the DIY guides (way out of my league). I tried the motion sensor movement and it was awkward, slow and imprecise.
Has anyone tried this or heard things about it?
[URL]
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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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Feb 3, 2010
Okay, so I?ve come to believe that the problem with my MacBook Pro is related to the thermal sensor. What I experienced was:
The fan randomly speeding up to 6000 rpm even when the comp was at 45-55 degree range and then slowly down to 2000 rpm even when the comp got up to like 70 degrees, way too hot for 2000 rpm. (Id rather the fan be loud and at 6000 rpm than not spinning fast enough allowing the comp to get real hot if you know what I mean). I use my comp all the time especially for cpu heavy music production on Logic Pro.
I also experienced two-three random shutdowns. I reset the SMC and I still have the fan problem. Im currently in Brazil which has no apple stores for me to send to for repairs until I get back in the states in July. I was wondering how much a thermal sensor repair runs, how long it takes as well? In case I decide that I should just buy a new MacBook Pro or something, but I really dont want to spend $1200-1600 at the moment.
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Mar 28, 2010
My friend is stuck on this drive .
But he asked me to find out if it had the G sensor or not. Obviously Macs have there own sensor so he wants to get one without the sensor so it doesnt interfere.
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Mar 29, 2010
I currently have the seagate 7200.4 500gb but i noticed my load cycle count is already at 8000 after only 3 weeks of use. So I think Im going with the hitachi 7k500. if this has the g sensor built in? if so does this interfere with my macbooks g sensor?
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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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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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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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Sep 7, 2009
A few weeks ago I purchased a Seagate Momentus ST9500420ASG. How can I deactivate the integrated G-Force Sensor? I am using a MacBook Pro 15", Mid 2009 with Mac OS X 10.6
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Jan 20, 2010
Since Apple has started putting these water sensors on almost all of their devices now, I am pretty sure that the unibody MBPs have them too (on portions exposed to the external environment; not just on the logic board and internal chasis).
I was wondering if anyone knew where they were located out of curiosity.
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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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