I have made the mouse my favourite. It's working well at the moment. Keep you 
posted. Maybe that was the fix?

On 04/06/2012, at 9:41 AM, Ronda Brown wrote:

> Hi Lorenzo,
> 
> You are correct, Apple did release some early MacPros with 
> mislabeling/miswiring problem.
> What happened was two wires got mislabeled. This didn’t happen when the 
> Bluetooth module was added to the computer, but during the actual assembly of 
> the Mac Pro. 
> 
> The Bluetooth module is a small chip placed on the motherboard, and it has to 
> be connected to a tiny wire that runs to the Bluetooth antenna.
> 
> But, I don't think that is the problem with the MacPro Chris has, because the 
> bad bluetooth connection has only happened lately, not from purchase time. If 
> Chris is concerned that it could be the wiring, he could take it to a 
> technician and have it checked.
> Or, I do have a document showing how to fix the wiring.
> 
> Cheers,
> Ronni
> 
> On 04/06/2012, at 8:48 AM, Lorenzo Bordoni wrote:
> 
>> Hello to the Group,
>> 
>> I might be barking up the wrong tree (again) but wasn't there a run of 
>> MacPros that had the incorrect Bluetooth antenna fitted to the board?  
>> Symptoms were very-poor range because the wireless signal could not 
>> penetrate the Pro's cage.
>> 
>> Not everyone uses a Bluetooth peripheral so this went under the radar.
>> 
>> Worth Googling further and Good Luck, L 
>> 
>> -----Original Message-----
>> From: [email protected] 
>> [mailto:[email protected]] On Behalf Of Ronda 
>> Brown
>> Sent: Saturday, 2 June 2012 4:52 PM
>> To: [email protected]
>> Subject: Re: Jerky Mouse
>> 
>> Also Chris,
>> 
>> If you still experience problems:
>> In System Preferences > Bluetooth settings, mark your magic mouse as 
>> favourite To do this, Click on the small 'cog wheel' besides the + and - 
>> buttons.
>> ‘Add to Favourites’
>> 
>> If after that, you still experience problems, try reset the PRAM 
>> <http://support.apple.com/kb/ht1379>
>> 
>> Cheers,
>> Ronni
>> 
>> On 02/06/2012, at 1:32 PM, Ronda Brown wrote:
>> 
>>> Hi Chris,
>>> 
>>>> I have my iphone between the MacPro and the mouse.
>>> 
>>> Can you put the iPhone behind the Magic Mouse, so the Magic Mouse is first 
>>> in range?
>>> 
>>> Cheers,
>>> Ronni
>>> 
>>> On 02/06/2012, at 1:26 PM, Chris Griffiths wrote:
>>> 
>>>> Yes, I think it is distance. It happened again and I moved it closer and 
>>>> it stopped.
>>>> 
>>>> Is there any way around not moving all my equipment?
>>>> 
>>>> Chris Griffiths
>>>> Mac lover
>>>> 
>>>> 
>>>> 
>>>> On 02/06/2012, at 12:54 PM, Ronda Brown wrote:
>>>> 
>>>>> Thanks for more information Chris.
>>>>> 
>>>>>> Daniels suggestion that it is too far away makes more sense but it can't 
>>>>>> be more than a metre. And anyhow, how come it is fine and then changes?
>>>>> 
>>>>> Distance certainly could cause jerkyness, as it has a spasmodic 
>>>>> connection. Bluetooth does not have a long distance reception.
>>>>> Does it stop being jerky if you move the mouse closer?
>>>>> 
>>>>>> Forums have also suggested WiFi interference but surely Apple would have 
>>>>>> thought of that one??
>>>>> 
>>>>> Are you using a 5GHz Wireless Network or a 2.5GHz wireless network?
>>>>> 
>>>>> If you have installed any mouse add-on, uninstall it, especially USB 
>>>>> overdrive (uninstall not just remove the preference panel).
>>>>> 
>>>>> Check a few other things you could try changing and then test to see if 
>>>>> it helps.
>>>>> 
>>>>> 1. Choose System Preferences from the Apple () menu, then choose Mouse 
>>>>> from the View menu. 
>>>>> Set the Tracking slider to adjust how fast the pointer moves as you move 
>>>>> the mouse.
>>>>> 
>>>>> 2. Try using a different surface to see if the tracking improves.
>>>>> 
>>>>> 3. Turn the mouse over and inspect the sensor window. 
>>>>> Use compressed air to gently clean the sensor window if dust or debris is 
>>>>> present.
>>>>> 
>>>>> Bandwidth intensive devices could also affect tracking.
>>>>> 
>>>>> Cheers,
>>>>> Ronni
>>>>> 
>>>>> On 02/06/2012, at 12:39 PM, Chris Griffiths wrote:
>>>>> 
>>>>>> Ok…
>>>>>> 
>>>>>> 10.7.4
>>>>>> 
>>>>>> 2 x 2.26 GHz Quad-Core Intel Xeon 14Gb Ram MacPro 4 1Tb harddrives 
>>>>>> internal. 1Tb external for backing up (this is wired, not wireless)
>>>>>> 
>>>>>> 24inch NVIDIA GeForce GT 120 512 MB graphics
>>>>>> 
>>>>>> Mouse has been like this for months. Can't remember when it started. It 
>>>>>> goes from working perfectly to lagging when moving, slightly jerky. Just 
>>>>>> barely perceptible sometimes but extremely annoying when you have to do 
>>>>>> a very fine photoshop retouch or anything fine.
>>>>>> 
>>>>>> Forums have suggested that it could happen when there is a lot of 
>>>>>> processing happening but this doesn't seem to make sense to me.
>>>>>> 
>>>>>> Daniels suggestion that it is too far away makes more sense but it can't 
>>>>>> be more than a metre. And anyhow, how come it is fine and then changes?
>>>>>> 
>>>>>> I have turned off any other bluetooth.
>>>>>> 
>>>>>> Forums have also suggested WiFi interference but surely Apple would have 
>>>>>> thought of that one??
>>>>>> 
>>>>>> I can live with it but just thought I'd give you guys a challenge 
>>>>>> ;)
>>>>>> 
>>>>>> Thanks heaps
>>>>>> 
>>>>>> Chris Griffiths
>>>>>> Mac lover
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> On 02/06/2012, at 12:28 PM, Ronda Brown wrote:
>>>>>> 
>>>>>>> Ok Chris,
>>>>>>> 
>>>>>>> A bit more information from you please. What OS X are you running?
>>>>>>> When did the Magic Mouse start the jerkyness ... after installing a 
>>>>>>> add-on or software?
>>>>>>> 
>>>>>>> Cheers,
>>>>>>> Ronni
>>>>>>> 
>>>>>>> On 02/06/2012, at 12:10 PM, Chris Griffiths wrote:
>>>>>>> 
>>>>>>>> Less than one day and the jerkyness and slowness is back. Open to any 
>>>>>>>> more ideas!
>>>>>>>> 
>>>>>>>> Chris Griffiths
>>>>>>>> Mac lover
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> On 01/06/2012, at 6:17 PM, Chris Griffiths wrote:
>>>>>>>> 
>>>>>>>>> Ok, have deleted the file. Have reset the SMC. And so far so good. 
>>>>>>>>> Seems to be working a lot better. So somewhere in all the actions was 
>>>>>>>>> the solution, I think. I'll see if it lasts. Thanks heaps!!
>>>>>>>>> 
>>>>>>>>> Chris Griffiths
>>>>>>>>> Mac lover
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> On 01/06/2012, at 5:59 PM, Ronda Brown wrote:
>>>>>>>>> 
>>>>>>>>>> Hi Chris,
>>>>>>>>>> 
>>>>>>>>>> Delete the Preference file "com.apple.bluetooth.plist"
>>>>>>>>>> Restart your computer and repair the Magic Mouse
>>>>>>>>>> 
>>>>>>>>>> Cheers,
>>>>>>>>>> Ronni
>>>>>>>>>> 
>>>>>>>>>> Sent from Ronni's iPad
>>>>>>>>>> 
>>>>>>>>>> On 01/06/2012, at 5:53 PM, Chris Griffiths <[email protected]> 
>>>>>>>>>> wrote:
>>>>>>>>>> 
>>>>>>>>>>> Interesting. I just used a wired mouse and now I can't pair to the 
>>>>>>>>>>> unwired mouse.?!
>>>>>>>>>>> 
>>>>>>>>>>> On 01/06/2012, at 5:37 PM, James / Hans Kunz wrote:
>>>>>>>>>>> 
>>>>>>>>>>>> i'm just wondering, in the bluetooth did you remove the mouse 
>>>>>>>>>>>> from the list (using a wired mouse) & then search for devices 
>>>>>>>>>>>> & reconnect the mouse James
>>>>>>>>>>>> 
>>>>>>>>>>>> SAD Technic
>>>>>>>>>>>> U3 6 Chalkley Pl
>>>>>>>>>>>> Bayswater WA
>>>>>>>>>>>> Australia
>>>>>>>>>>>> +618 9370 5307
>>>>>>>>>>>> mob 0414 421132 (international +614 14421132) 
>>>>>>>>>>>> [email protected] http://www.members.iinet.net.au/~saddas/
>>>>>>>>>>>> 
>>>>>>>>>>>> Patience and perseverance have a magical effect before which 
>>>>>>>>>>>> difficulties disappear and obstacles vanish.
>>>>>>>>>>>> 
>>>>>>>>>>>> On 01/06/2012, at 5:23 PM, Chris Griffiths wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>>> Thanks James – I don't have a wireless keyboard. New batteries. 
>>>>>>>>>>>>> Cleaned optics.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Regards
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Chris Griffiths
>>>>>>>>>>>>> Mac lover
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> On 01/06/2012, at 5:20 PM, James / Hans Kunz wrote:
>>>>>>>>>>>>> 
>>>>>>>>>>>>>> battery ok? opticals cleaned?, do you have good response from 
>>>>>>>>>>>>>> the keyboard?
>>>>>>>>>>>>>> remove the batteries & insert them again James
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> SAD Technic
>>>>>>>>>>>>>> U3 6 Chalkley Pl
>>>>>>>>>>>>>> Bayswater WA
>>>>>>>>>>>>>> Australia
>>>>>>>>>>>>>> +618 9370 5307
>>>>>>>>>>>>>> mob 0414 421132 (international +614 14421132) 
>>>>>>>>>>>>>> [email protected] 
>>>>>>>>>>>>>> http://www.members.iinet.net.au/~saddas/
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Patience and perseverance have a magical effect before which 
>>>>>>>>>>>>>> difficulties disappear and obstacles vanish.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> On 01/06/2012, at 4:55 PM, Chris Griffiths wrote:
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> My wireless mouse has been jerking and slow to respond when I 
>>>>>>>>>>>>>>> move the cursor sometimes.
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> I have read dozens of forums to try and work out what is wrong.
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> I have switched off all other Bluetooth devices and have 
>>>>>>>>>>>>>>> changes mouse mats many times.
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> I have read that many people are experiencing this problem. Any 
>>>>>>>>>>>>>>> solutions?
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> Chris Griffiths
>>>>>>>>>>>>>>> Mac lover
> 
> -- The WA Macintosh User Group Mailing List --
> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Settings & Unsubscribe - 
> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>

-- The WA Macintosh User Group Mailing List --
Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>