I use the Apple rechargeables also. They seem to work fine. I'd remove any bluetooth pairings that you don't use and add the trackpad to favorites in:
System Preferences > Bluetooth > Highlight trackpad on the left > click the gear icon below the list > add to favorites.
Although I doubt this will affect the disconnects, it should reconnect quicker.
Look for anything else that might interfere on the 2.4 mhz band like phones and other wireless equipment.
One other thought, I occasionally loose connection because the on/off button on the side is easy to accidentally tap on a crowded desk. Mine frequently hits an adjacent keyboard.
Thanks for the reply, I've now done the favourites thing, & moved the phone just in case. It's not the on/off button, the rubbish is elsewhere on the desk. I've also charged up another set of the batteries & put those in & so far the trackpad is working fine again, so maybe one set of batteries is a bit temperamental, no idea if that's possible, just happy to be connected to everything again. I'd suggest to Powermac82 that s/he tries these ideas with the mouse, might get lucky too.
I have been having similar problems with the trackpad just getting disconnected and the mouse cursor sitting top right of the screen all of the time. A reboot (CTRL-CMD-EJECT) usually fixes the problem but it feels so wrong - so Windows to have to do that.
I tried making my trackpad a favourite as described above. I noticed that this item was missing from the Gear menu below the list of Bluetooth devices. Then I turned "discoverable" off at the top and teh Gear menu changed to show the favourite option. I also noticed that there is a detailed half of the window which may not always be visible and you have to drag it over.
I will try running for a while with discoverable turned off and see whether the trackpad keeps its connection better.
I have been experiencing similax problems in that I seem to lose connection and only for a split second but it is enough for the cursor to be snet right down to the trash can and it happens evewry 3 mintues of nac works
I tried all of the above, dowmloaded Xocde and the bluetooth explorer and I havent seen anything change
I ll keep trying
A bit late, but I noticed something today. I switched from the Apple batteries to regular duracells and all of a sudden the trackpad was losing connectivity CONSTANTLY. So in the midst of contemplating jumping off a building, I noticed that it usually happened after I put it down on the desk after moving it, or sometimes if something knocked against it. So I picked it up, and hit it softly on the desk, it lost connectivity. The batteries inside were just loose enough that they lost contact if the trackpad was moved or knocked about very softly. I replaced the batteries again, and also made sure to tighten the battery cover with a screwdriver instead of just finger tight. No more issues. Some batteries can be just enough off that the internal spring in the trackpad can't push them tight enough. I've now had no more issues since doing this.
My batteries were at 17% but I replaced them with a set of fully charged ones and the connection issues vanished.
I ran into this issue several times earlier when the battery was below 20%.
Other possible issues are if you previously paired the trackpad with another macbook and if that macbook is in range it will try and connect to that one hence dropping the connection.
I was having same issue for weeks and has been driving me crazy. Tried several new sets of batteries.
One of the previous posts about other wireless equipment make me think. I had recenly purchased vtech wireless phone system.
So after some testing I found it was not the phone itself, but the paring feature that allows the vtech to pair to cell phone to be able to answer the cell via the main vtech phone.
Once I turned off the blue tooth paring to the cell phone, the track pad issue disappeared.