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Wireless keyboard and mouse battery meter showing incorrect reading

6907 Views 10 Replies Latest reply: Dec 14, 2011 5:07 AM by Radamradam RSS
robgrayson Level 1 Level 1 (0 points)
Currently Being Moderated
Feb 9, 2011 1:24 AM

I've searched the forums and other sites and have not found an answer to this issue.

I have a 20" iMac and use both an Apple bluetooth wireless keyboard and a Magic Mouse. until now, the battery life indicator/meter (accessed by clicking on the Bluetooth icon in the menu bar) has always seemed to be reliable. However, I've noticed over the last few days that it seems to be "stuck". When I start up the machine each morning, I get a low battery warning for the keyboard. The meter indicates the keyboard batteries are at 34%. Firstly, this is too high a reading to generate a low battery warning, and secondly, it's been showing 34% for at least three days now, despite near-constant usage during that time. Similarly, the mouse battery meter shows 85%, and has done for the last few days.

So it seems that the meters are displaying an incorrect battery usage level. Has anyone else come across this, and is there anything I can do to reset/recalibrate it?

I'm running OS X 10.6.6 and using standard alkaline (non-rechargeable) "Energiser" batteries. This the same brand of batteries I've been using for months.

Thanks in advance,

iMac 20" 2.4GHz 4GB, Mac OS X (10.6.6), ATV 40GB v2.3.1


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