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Apple Computing Products:
macOS - Desktop Hardware
Intermittent video distortion Mac Pro + HP Monitor
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<blockquote data-quote="gearhatesme" data-source="post: 1114390" data-attributes="member: 173141"><p>Hello: and thanks in advance to anyone who has experience in this area:</p><p>I have a mac Pro dual Quadcore (2x2.26) GHz machine that is one year old. I am using an HP LE2201w 22 inch monitor.</p><p>The monitor looks great, but has an intermittent distortion (not typical flicker, but a wavyness that flicks all around the screen. There seems no rhyme or reason; I can't duplicate it in a repair facility, so after three stops to an apple repair facility, no help. </p><p>But it does it a lot sometimes. And it goes from subtle, to full on LSD vision, like there was some massive electrical current running across the screen. I tried a new 23" LG, and cannot duplicate the problem with the LG; but the LG looks like crap The HP kicks it's butt in clarity and wide angle viewing. Plus the HP has a three year warranty.</p><p>The trouble is, HP's support for business monitors is unspeakably horrible, and in India-so enough said. They flatly state they do not support HP monitors with Mac, so I am S.O.L. They are real crooks.</p><p>Since the problem is intermittent, I would be lucky to get any tech in any store to look at it attentively enough to see it, even though it will surely freak out when they're out having a smoke, or scratching their lazy butts. (Bitter? oh, I guess...I'm sick of paying for "no problem found" (because the techs aren't paying attention enough).</p><p></p><p>I did a P Ram reset (along with some other hardware reset with Apple care...thought it solved it, but it still goes on. I switched cables ( The HP only has a VGA out, so I use a VGA cable to an Apple VGA to DVI adapter), and I THOUGHT it fixed it...but even with another cable, it will do this wavy flicker. Since it takes hours to see the flicking, one can't tell reliably right away-even though it could start immediately as the machine fires up...it's so random.</p><p>Yet the HP monitor works fine with a Toshiba Satelite, and the Mac Pro has not flickered with the awful-looking LG, and the Mac Pro works fine with an old Sony VGA.</p><p>DOES ANYBODY HAVE ANY GOOD IDEAS ON HOW TO GET A MAC STORE OR MAC CARE TO HELP DIAGNOSE AND FIND THE PROBLEM?</p><p>HOW ABOUT ON THE HP SIDE? ANYBODY KNOW HOW TO GET A LIVE, INTELLIGENT, CARING, RESPONSIBLE PARTY IN THE USA TO HONOR A WARRANTY?</p><p></p><p>I hear everybody-even at the Mac Store-say that Macs work with whatever display they plug in...I am leaning toward thinking this is an HP issue, but it is strange that the HP won't bug out on my PC. </p><p>ANY PRACTICAL ADVICE TO TROUBLESHOOT FURTHER, OR ANY FURTHER THOUGHTS ON THE MASSIVE GREMLIN-LIKE PROBLEM HERE?</p><p>I have spent weeks wasting my life troubleshooting this boondoggle.</p><p>Thanks!</p></blockquote><p></p>
[QUOTE="gearhatesme, post: 1114390, member: 173141"] Hello: and thanks in advance to anyone who has experience in this area: I have a mac Pro dual Quadcore (2x2.26) GHz machine that is one year old. I am using an HP LE2201w 22 inch monitor. The monitor looks great, but has an intermittent distortion (not typical flicker, but a wavyness that flicks all around the screen. There seems no rhyme or reason; I can't duplicate it in a repair facility, so after three stops to an apple repair facility, no help. But it does it a lot sometimes. And it goes from subtle, to full on LSD vision, like there was some massive electrical current running across the screen. I tried a new 23" LG, and cannot duplicate the problem with the LG; but the LG looks like crap The HP kicks it's butt in clarity and wide angle viewing. Plus the HP has a three year warranty. The trouble is, HP's support for business monitors is unspeakably horrible, and in India-so enough said. They flatly state they do not support HP monitors with Mac, so I am S.O.L. They are real crooks. Since the problem is intermittent, I would be lucky to get any tech in any store to look at it attentively enough to see it, even though it will surely freak out when they're out having a smoke, or scratching their lazy butts. (Bitter? oh, I guess...I'm sick of paying for "no problem found" (because the techs aren't paying attention enough). I did a P Ram reset (along with some other hardware reset with Apple care...thought it solved it, but it still goes on. I switched cables ( The HP only has a VGA out, so I use a VGA cable to an Apple VGA to DVI adapter), and I THOUGHT it fixed it...but even with another cable, it will do this wavy flicker. Since it takes hours to see the flicking, one can't tell reliably right away-even though it could start immediately as the machine fires up...it's so random. Yet the HP monitor works fine with a Toshiba Satelite, and the Mac Pro has not flickered with the awful-looking LG, and the Mac Pro works fine with an old Sony VGA. DOES ANYBODY HAVE ANY GOOD IDEAS ON HOW TO GET A MAC STORE OR MAC CARE TO HELP DIAGNOSE AND FIND THE PROBLEM? HOW ABOUT ON THE HP SIDE? ANYBODY KNOW HOW TO GET A LIVE, INTELLIGENT, CARING, RESPONSIBLE PARTY IN THE USA TO HONOR A WARRANTY? I hear everybody-even at the Mac Store-say that Macs work with whatever display they plug in...I am leaning toward thinking this is an HP issue, but it is strange that the HP won't bug out on my PC. ANY PRACTICAL ADVICE TO TROUBLESHOOT FURTHER, OR ANY FURTHER THOUGHTS ON THE MASSIVE GREMLIN-LIKE PROBLEM HERE? I have spent weeks wasting my life troubleshooting this boondoggle. Thanks! [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Intermittent video distortion Mac Pro + HP Monitor
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