27″ iMac Firmware Fix Available

27″ iMac Firmware Fix Available

Apple made a new update available today for the 27″ iMacs. Hopefully this will solve the whole screen flickering issue. It’s a firmware update to the ATI HD graphic cards. Updates the graphics firmware on ATI Radeon HD 4670 and 4850 graphics cards to address issues that may cause image corruption or display flickering. I [...]

27″ iMac Screen Problems Are Hardware Related

27″ iMac Screen Problems Are Hardware Related

UPDATE 2: Apple came out and replaced the LCD screen and the vertical sync cable. After two hours, the problem re-appeared. Apple is now going to replace the whole iMac. UPDATE: On the fifth day now and the iMac running XP is starting to flicker. I was wrong in believing this was a software issue. [...]

27″ iMac Screen Flashing

27″ iMac Screen Flashing

I am starting to get weird video issues on my new 27″ iMac. It’s the Core2Duo model, not the i5 so I don’t believe it’s a processor issue. Mine has the ATI Radeon 4670 in it. Currently, the only was to fix it when the screen goes bonkers is to reboot or wait long enough [...]

27″ iMac has no audio in XP

27″ iMac has no audio in XP

I found a strange issue with the 27″ iMac, XP and Bootcamp 3.0. There is no sound coming out of the iMac’s internal speakers while in XP. The solution is to open Sounds and Audio Devices in the control panel. Goto the Audio tab and select Cirrus Logic HD Audio, from the pulldown for Sound [...]

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