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Other Apple Products
Other Hardware and Peripherals
"Buzzing" in Audio When second screen attached using VGA.
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<blockquote data-quote="phase5" data-source="post: 940891" data-attributes="member: 55145"><p>This is related to this:<a href="http://www.mac-forums.com/forums/other-hardware-peripherals/174700-connecting-hdtv-powermac-g4-works-then-doesnt.html#post938453" target="_blank">http://www.mac-forums.com/forums/other-hardware-peripherals/174700-connecting-hdtv-powermac-g4-works-then-doesnt.html#post938453</a></p><p></p><p>I installed a new graphics card, a ATI Radeon 7500, in my old 2001 G4 Mac.</p><p>It works well.</p><p></p><p>I used a Belkin ADC to DVI adaptor and a DVI to DVI cable to connect my 19" Viewsonic VA1912w monitor. It works well.</p><p></p><p>I have an iMic connected to a Yamaha sound system. The audio is fine.</p><p></p><p>I connected the remaining VGA port on the ATI Radeon 7500 garaphic's card to my Sony Bravia HDTV's VGA port. I have two functioning screen on the Mac.</p><p></p><p>However, when I connect the HDTV using the VGA cable I suddenly get a "buzz" interference noise on the sound system. Disconnect the VGA cable and the noise stops. Connect it, it comes back.</p><p></p><p>A grounding problem? Any thoughts? Anyone else experienced this?</p></blockquote><p></p>
[QUOTE="phase5, post: 940891, member: 55145"] This is related to this:[url]http://www.mac-forums.com/forums/other-hardware-peripherals/174700-connecting-hdtv-powermac-g4-works-then-doesnt.html#post938453[/url] I installed a new graphics card, a ATI Radeon 7500, in my old 2001 G4 Mac. It works well. I used a Belkin ADC to DVI adaptor and a DVI to DVI cable to connect my 19" Viewsonic VA1912w monitor. It works well. I have an iMic connected to a Yamaha sound system. The audio is fine. I connected the remaining VGA port on the ATI Radeon 7500 garaphic's card to my Sony Bravia HDTV's VGA port. I have two functioning screen on the Mac. However, when I connect the HDTV using the VGA cable I suddenly get a "buzz" interference noise on the sound system. Disconnect the VGA cable and the noise stops. Connect it, it comes back. A grounding problem? Any thoughts? Anyone else experienced this? [/QUOTE]
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"Buzzing" in Audio When second screen attached using VGA.
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