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As Dean said, if the humming noise is always present even with the fan spinning at low RPM, replace it. If it's only loud when booting it might be normal ; some computer's BIOS spin the fan very fast when booting and when the Operating system or preset parameters take over, they gradually lower the speed. By the way, unplug the fans one at a time to find which one is causing the noise. If it is a case fan they cost only a few bucks, if it is the CPU fan it is a bit more expensive but aftermarket cooler can be found for around 20$. If you need to replace the CPU cooler, make sure you clean the old thermal paste and apply some fresh one. For a tutorial how Youtube is your best friends ;)
I have the same unit and it works fine on my Mac Mini. All the stuff on the disk is for PCs, not Macs. You don't need to install any drivers for this webcam when using it with a Mac. Just plug it in and it will work. If you are using it on Skype, for example, you have to select "preferences" / "sound" and then change the "input" to USB. That will make the microphone work. You can adjust the mic input volume in your Mac "System Preferences" / "Sound." This is one of the few cameras out there with a mic that works through the USB, so don't give up on it too easily!
I get a very slow frame rate with this camera, but I've had the same problem with every other webcam I've plugged in!! Otherwise the quality is fine. If anyone knows why my frame rate is so slow, I would appreciate your ideas!
This sounds obvious, but the system volume could be down. Go to the System Preferences, and select "Sound". Make sure the output voumne is turned up, and the mute is not on.
If that doesn't work you could try "zapping the pram".
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound again. Continue this until you hear the startup sound four times.
Did Logitech provide any software with the keyboard? Make sure you have the most recent version of any Mac software for this model of keyboard.
It's possible that 10.2.8 may not have all the right hooks in it to fully support a recent model Logitech keyboard. But my Apple-brand keyboard has volume control buttons on it that have worked since time immemorial, so I'd think 10.2.8 understands the basic concept.
I hope it's just a matter of getting the right software.
Hi Josh The sound system you replaced. Is it internal or external?
If you have replaced the sound card it could be a seating problem. Just shut the mac down and re-seat the card. If it is an external sound system you need to check your connections and cables. It does not sound like a OS problem.
it sounds like a motherboard firmware or driver problem...if the computer lets you get back into the operation system...try downloading the proper drivers....i would find them if i knew what kind of motherboard you have....i'm not sure how to find that out on a mac...sorry.