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- Jul 9, 2003
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I have a hardware problem! I recently upgraded to a new computer, typical Tower format, probably 3/4 size of normal. Everything's fine except when I try and record a video. I get like a mains hum, you can hear it in this YouTube clip here:- https://youtu.be/kxT8CfL3MSI?t=98
Now the reason the hum suddenly starts at that time index in the video is because I lift my hand off the PC! To stop the hum I place my hand on the PC. Unfortunately when I need to type something on the keyboard I need both hands! So I lift my hand off the PC and then I get that bloody hum!
I'm using the same USB headset I used with my old PC, and I never had any difficulties on that. I've tried Earthing the PC to the adjacent brick wall by lodging a spoon against the wall and the PC. This had no effect.
The only thing that seems to work is by placing my hand on it. However it is intermittent! Some days it does it and some days it don't. I suspect by touching it I'm causing some sort of capacitance because I'm not directly touching the metal just the paint work.
Just wondered if anybody had any idea what I could try next!
Now the reason the hum suddenly starts at that time index in the video is because I lift my hand off the PC! To stop the hum I place my hand on the PC. Unfortunately when I need to type something on the keyboard I need both hands! So I lift my hand off the PC and then I get that bloody hum!
I'm using the same USB headset I used with my old PC, and I never had any difficulties on that. I've tried Earthing the PC to the adjacent brick wall by lodging a spoon against the wall and the PC. This had no effect.
The only thing that seems to work is by placing my hand on it. However it is intermittent! Some days it does it and some days it don't. I suspect by touching it I'm causing some sort of capacitance because I'm not directly touching the metal just the paint work.
Just wondered if anybody had any idea what I could try next!