Bluetooth connection lost after wakeup ( CSR - bc4 )

hi
after wakeup, my aluminium keyboard cannot connect anymore to my macbook pro. when i go to systempreferences/bluetooth i can see the bluetooth's host name is CSR - bc4 (???). when i turn bluetooth off and on again the hostname does set correctly to the name of my macbook-pro. after the restart of the bluetooth-service my keyboard works like a charm.
any suggestions?
greetings from switzerland

I am having the same problem.
If I use the new aluminium wireless keyboard (with my existing wireless mighty mouse) neither the mouse nor the keyboard reconnect to the computer on waking from sleep - it does announce that I have lost the bluetooth connection but tapping/clicking/waiting doesn't facilitate reconnection.
If I send the iMac to sleep again (using the power button - the only way I have to get any signal to my machine at this point - I haven't tried Morse Code yet) it does then recognise the peripherals on waking the second time.
I have also noticed that if I turn the mouse and keyboard off causing the "connection lost" warning and then put the machine to sleep, everything does reconnect on waking (switching them back on of course).
I have it set not to wake from sleep using bluetooth devices, so that I can tidy my mouse/keyboard away without disturbing the mac. Using my old white wireless keyboard (but the same Mighty Mouse) it works beautifully again as it always did in Tiger with only a minimal delay on waking from sleep before reconnecting automatically.
The aluminium keyboard is beautiful. But we need a fix - anyone? Is it a hardware problem? A set of dud keyboards? Has anyone found that a different aluminium wireless keyboard does work with the same setup? Or that their troublemaking keyboard does work on other machines?
S
Message was edited by: Beluga2

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