Wireless Keyboard/Mouse problem since 10.4.9

Hi All,
Not sure if this has been posted by anyone else, but since updating to 10.4.9 on my 17" G4 iMac and and 17" G5 iMac - I have had ongoing problems with bluetooth on each computer where the keyboard continually drops out with "Connection Lost" error (Usually once a minute when I am using the keyboard). (Keyboard problem on the G4 iMac)
And on the G5 iMac, I am having exactly the same problem but with the mouse dropping out every minute or so.
I've reset the PRAM on both computers, but still the same problem.
Any help hugely appreciated.

I would troubleshoot this way:
On a different partition on your internal drive or ext firewire drive, install a fresh copy of OX 10.4 or even 10.3. Booth from this partiton. See if your bluetooth works. If so, then update to 10.4.9 and see if it still works.
If not, then your culprit is the update and I would not update on your permanent boot partition.
If yes, then migrate all your stuff to the new partation or double migrate to the firewire disk/erase old partition/migrate back.
If you bluetooth does not work with a fresh copy or OS 10.4 on a new partition/ext drive, then you may have a hardware issue. Try borrowing a USB bluetooth adaptor from your local computer store (leaving with them your refundable retail deposit price of course) and see if you can get it to work. D-link usb/bluetooth adaptor ~$25 works on my old blue&white frankenmac G4 with 10.3 installed. May want to unplug your internal bluetooth module inside your case (if possible) when you do this so that OS 10 does not freak out.
That's all I know.
Sunny
  Mac OS X (10.4.9)  

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