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Old 11-11-2011, 01:50 PM
viaspiaggia viaspiaggia is offline
Join Date: Apr 2003
Location: St. Louis, MO
Posts: 396
Default Mac monitor issues

Hi, I have a MacPro 1,1 Dual-Core Intel Xeon 2x2GHz, running PT9.0.3 on 10.6.7.

I've used both monitor outputs for years, with assorted LED monitors; for the last year they've been running over 15' extenders so I can get my machine out of my studio.

My main monitor blinks black once each morning at some point, but with no other symptoms or problems.

In the last 36 hours, however, both of the monitors started blinking blue - looks like I changed the resolution, but I didn't. Yesterday it was tolerable, a few times over the course of the evening. This morning it's too much to bear, more or less constant in and out of blue screens.

I did some troubleshooting and it seems to be the second monitor port. If I have one monitor (either monitor) hooked up to the first port, all is well. Any monitor (with or without extender, even an old tube) added to the second port causes the blue blinking.

I've reset PRAM.

Anything else I can do or investigate before needing to buy a replacement graphics card? If I need to bite the bullet, any recommendations on a decent card to get as a replacement?

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