castelletta

Q: Poor Bluetooth reception and jerky mouse

I want to share my findings upon the poor reception of the internal Bluetooth module on my 2009 Mac Pro. The mouse in particular seems to suffer the most from the low BT signal.

It has to be said that if you succeed to place your Mac Pro in a particular position you can obtain optimal mouse reception. It seems that the field covered by BT signal is very irregular (due to the aluminum case?) and I think also altered by other metal objects that can exist on your desk (or inside/under you desk and his structure).

This can explain why some users tell of fantastic BT reception with their Mac Pro and others (majority) complain about awful Magic Mouse tracking.

In my situation I've been forced to plug-in a D-LINK DBT-120 dongle. It performs very well and maintain always connection with mouse and keyboard upon restart......unfortunately the same peripherals can't awake my Mac Pro during the sleep mode. A little uncomfortable (because you have to press the power button) and I thing very strange since this dongle is considered the only BT dongle fully supported from Apple.

I tried other dongles but all seem to lose connection. Some after restart, others after sleep mode.

For sure it's a shame that the most powerful and most expensive machine that Apple is selling right now is so badly performing in the BT compartment and it's more unforgivable since Apple seems to push very much their wireless peripherals.

Ok Apple, it's not easy to grant a powerful BT antenna in the metal case of the Mac Pro? Well please provide or support an external module that fully support all Mac OS functions (key selection on startup, wake on sleep ... etc) and consistently. I don't think it's a science fiction task.

I'm waiting your experimentation in placing your Mac Pro differently.

Please share your experiences....thank you

MacPro 2009 - 8 core, Mac OS X (10.6.2)

Posted on Nov 12, 2009 8:24 AM

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Q: Poor Bluetooth reception and jerky mouse

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  • by Mosaica,

    Mosaica Mosaica Jan 9, 2010 7:08 AM in response to omillar
    Level 1 (5 points)
    Jan 9, 2010 7:08 AM in response to omillar
    Yes, Apple should believe us and resove the issue rather than spending our time and their's troubleshooting non existant issues.

    I still have an Apple Care plan and am going to stick to my guns on this. I am pressing them hard.
    I recently went to the Apple Store to verify my MM works on a Mac Pro there and of course it did. It is a different version. At the same time, the Genuis suggested I reinstall the OS. Well, I can get that kind of advice from HP.

    Meanwhile, I did run the BT mouse signal strength meter software. In general the result are as expected. The signal strength that the MM recieves with the battery cover off is better than with the cover on. Similar to having the MM far away from the Mac Pro versus on a desktop next to the Mac Pro. In addition, the signal strength of the MM after plugging in a BT USB dongle is MUCH BETTER YET. EVEN IF THE MOUSE IS FURTHER AWAY THAN BEFORE.

    Lastly, my understanding of aa very good solution to our problem is to get the exact antenna from apple (costs a few dollars) plug it into tht BT connection on the Mac Pro and tape it to the outside.
  • by sixgunaz,

    sixgunaz sixgunaz Jan 9, 2010 9:12 PM in response to Mosaica
    Level 1 (0 points)
    Jan 9, 2010 9:12 PM in response to Mosaica
    Save yourself a lot of headache, spend $8 on a BT antenna on Ebay, install it and run it outside the case, either under the tower, or along the monitor cable as we did and enjoy perfect operation. The mod took a few minutes, it changed nothing and does not void the warranty. There are all kinds of people selling micro coax BT antennas, we got ours from a guy in Canada, it arrived in 4 days. Problem solved.
  • by Mosaica,

    Mosaica Mosaica Jan 10, 2010 8:55 AM in response to sixgunaz
    Level 1 (5 points)
    Jan 10, 2010 8:55 AM in response to sixgunaz
    sixgunaz wrote:
    Save yourself a lot of headache, spend $8 on a BT antenna on Ebay, install it and run it outside the case, either under the tower, or along the monitor cable as we did and enjoy perfect operation. The mod took a few minutes, it changed nothing and does not void the warranty. There are all kinds of people selling micro coax BT antennas, we got ours from a guy in Canada, it arrived in 4 days. Problem solved.


    I agree and read your posts. Matashardware does not have these for sale. I have looked for over an hour and have not found a similar item. I did check your purchase and like what I see in ebay's ended auctions area.
  • by castelletta,

    castelletta castelletta Jan 10, 2010 2:33 PM in response to Mosaica
    Level 1 (0 points)
    Jan 10, 2010 2:33 PM in response to Mosaica
    Please Mosaica,

    what software do you used to meter the BT signal strength? I was searching for one to test further.
  • by Mosaica,

    Mosaica Mosaica Jan 11, 2010 8:58 AM in response to castelletta
    Level 1 (5 points)
    Jan 11, 2010 8:58 AM in response to castelletta
    Put in your OS install disk and there is an option to install Developer tools. Install that. You will end up with a folder called Developer, Utilities, Bluetooth, Bluetooth Diagnostics Utility and Bluetooth Exlorer.

    Run the Bluetooth Explorer and on the main menu click Devices, Connection Quality monitor." This will create both a nice graph and a log on the signal quality to and from the MM. If you try the MM from far away as a test you will see it drop off, it logs each second. If you move the MM close you will see less drop offs. If you take the MM cover off you will see even less drop offs, if you add a external USB BT dongle you will see no drop offs. Let us know how you make out.
  • by MoofMan,

    MoofMan MoofMan Jan 13, 2010 7:29 PM in response to Anonymoustache
    Level 1 (5 points)
    Jan 13, 2010 7:29 PM in response to Anonymoustache
    ok I have an older Mac Pro (early 2006) and there is only a wifi and blue tooth module, no small antenna connected module. All I did was switch the upper WIFI antenna (mine was labeled #1) and the lower Blue Tooth module (wire labeled BT) with the computer powered off. I left #3 and the unconnected #2 alone. I rebooted and immediately the jerky magic mouse was fixed and very responsive. ALSO my WIFI speeds got a lot faster too after several years of being frustrated with less than satisfying WIFI and then this poor magic mouse I'm relieved to finally be getting the better Mac experience I expect LOL?
  • by castelletta,

    castelletta castelletta Jan 19, 2010 10:34 AM in response to Mosaica
    Level 1 (0 points)
    Jan 19, 2010 10:34 AM in response to Mosaica
    Thank you Mosaica.

    I installed developer tools and tested BT signal.
    Results of my tests: much power and a better mouse link form the external BT dongle.

    The empiric suggestions were true and now are just confirmed.......definitely poor Mac Pro Bluetooth signal!

    Solutions from Apple?
  • by neelagrawal,

    neelagrawal neelagrawal Jan 19, 2010 6:53 PM in response to castelletta
    Level 1 (0 points)
    Jan 19, 2010 6:53 PM in response to castelletta
    I have an older Mac Pro 2 x 3 GHz Dual-Core Intel Xeon running Snow Leopard 10.6.2. I recently bought an Apple Magic Mouse and am having a lot of trouble with the mouse tracking, delayed moves and slow response times. I need to know how to fix this problem without opening up the computer itself and rewiring or downloading a dongle If you could email me or respond to this thread I would really appreciate it. Should I just return the Magic Mouse and go back to using my wireless USB keyboard and mouse? Thanks for your help.
  • by neelagrawal,

    neelagrawal neelagrawal Jan 19, 2010 7:13 PM in response to Anonymoustache
    Level 1 (0 points)
    Jan 19, 2010 7:13 PM in response to Anonymoustache
    Hello,

    Did you have to switch the internal wires yourself or did you take it to an Apple store and have them do it for you. I am curious how complicated it is to do this myself or just have a professional do it for me. Thanks.
  • by webcat@mac.com,

    webcat@mac.com webcat@mac.com Jan 23, 2010 11:52 AM in response to castelletta
    Level 1 (0 points)
    Jan 23, 2010 11:52 AM in response to castelletta
    Exact same problems here on a Mac Pro purchased Nov 2009. This is my Final Cut Pro editing station, the magic mouse is awesome for this purpose. The mouse is less than 1 foot away on the desk top and the BT reception is horrible and drops frequently.

    Apple give us a hardware solution. I remember older towers had an antenna attachment.
  • by Tomas Chinchilla,

    Tomas Chinchilla Tomas Chinchilla Jan 28, 2010 10:30 AM in response to webcat@mac.com
    Level 1 (40 points)
    Jan 28, 2010 10:30 AM in response to webcat@mac.com
    Take a look at this, after suffering for a while of the same symptoms I decided to dedicate a couple of hours to search for this and here it is:

    http://cordisblog.blogspot.com/2009/11/howto-einbauanleitung-mb871da-airport.htm l

    http://forums.macrumors.com/showthread.php?t=666644&page=2

    Personally mine were wrong: 3 on top 1 on bottom and 2 dangling (Switched 3 and 1 around and voila)

    Both my MBP's were blazing always but my Pro was too slow even browsing each other via network.

    Speedtest.net before the change reported like 5MB down and not even close to 1MB up (I have the comcast 16MB plan)

    Now it boosts up to 22MB down and 3MB up

    Hope this helps someone.
  • by derivativemusic,

    derivativemusic derivativemusic Jan 29, 2010 7:28 PM in response to Tomas Chinchilla
    Level 1 (20 points)
    Jan 29, 2010 7:28 PM in response to Tomas Chinchilla
    My MP doesn't have an airport card, just bluetooth. There's only one wire (labeled BT) and it's attached to the bluetooth card.

    I have a USB bluetooth adapter - actually two of them - but the system doesn't work with them, contrary to other reports in this thread.

    Any ideas for how to get bluetooth to work more reliably?
  • by Mosaica,

    Mosaica Mosaica Jan 31, 2010 3:32 PM in response to derivativemusic
    Level 1 (5 points)
    Jan 31, 2010 3:32 PM in response to derivativemusic
    A couple of notes, first my USB BT adapter works, but you do have to re pair it upon waking..not a good fix.

    Second, I have been working with the Apple tech people, engineers and the customer relations people to resolve this problem. They have given me a horrible time to say the least! I still am not done but somebody there knows that they have a problem, to be sure.
  • by skullcat,

    skullcat skullcat Feb 4, 2010 6:13 PM in response to castelletta
    Level 1 (0 points)
    Feb 4, 2010 6:13 PM in response to castelletta
    I am going crazy with my "magic" mouse as well. About 10% of the time it will work perfectly, but the other 90% of the time it is jerky, imprecise, not clicking when I am clicking, and losing connections. This is with an older model Mac Pro.

    I've moved machines, moved my seating arrangement, turned Airport on and off, etc etc but nothing really seems to help. Either it just does NOT work with my Mac Pro as-is, or could I actually be getting interference from other sources?

    Unfortunately I am so addicted to the smooth and silent 'scrolling' features of this mouse that I continue to use it, even though I am probably going to get carpal tunnel syndrome trying to mouse with it. I am considering opening up and 'rewiring' but I really wish I didn't have to muck about trying to make an expensive made-by-apple-for-your-mac product actually WORK like it was intended.
  • by skullcat,

    skullcat skullcat Feb 4, 2010 6:25 PM in response to skullcat
    Level 1 (0 points)
    Feb 4, 2010 6:25 PM in response to skullcat
    Oh and one more complaint to add, that mouse STILL drains batteries on a weekly basis, even after update that was supposed to fix this. GRRR!
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