Recently my computer stops recognizing anything Bluetooth or USB related (wireless or plugged in) after a few minutes of computer use.

Recently my computer stops recognizing anything Bluetooth or USB related (wireless or plugged in, mouse, keyboard, printer, etc.) after a few minutes of use. I don't know if it's related, but recently I upgraded my iMac g5 (2005) from OSX 10.4 to Leopard 10.5 (I was told though, that my computer can handle the upgrade by Apple personelle). Also, I had the model that was released with a faulty power supply, but Apple fixed that problem for me a couple of years ago. My fan is also pretty loud (but has been for some time) and my computer takes longer to boot that it used to (this is a recent issue). I mention all of this in case there's a chance it's connected to the same problem. Any suggestions?

Recently my computer stops recognizing anything Bluetooth or USB related (wireless or plugged in, mouse, keyboard, printer, etc.) after a few minutes of use. I don't know if it's related, but recently I upgraded my iMac g5 (2005) from OSX 10.4 to Leopard 10.5 (I was told though, that my computer can handle the upgrade by Apple personelle). Also, I had the model that was released with a faulty power supply, but Apple fixed that problem for me a couple of years ago. My fan is also pretty loud (but has been for some time) and my computer takes longer to boot that it used to (this is a recent issue). I mention all of this in case there's a chance it's connected to the same problem. Any suggestions?

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