WARNING: Do Not Update To Mac OS 9.2.1 If You Use A DVIator W/17" Studio Display

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The good people at Dr. Bott have released a warning to Mac users who use a Dr. Bott DVIator with an Apple 17" Studio Display. The warning is for users to not update their Macs to Mac OS 9.2.1, the update that Apple released on Tuesday. According to Dr. Bott, the updated video drivers included with the Mac OS update render the DVIator, and hence your display, useless. The company has detailed instructions for a work-around. According to Dr. Bott:

Warning:
DVIator, Mac OS 9.2.1, G4 Built-in DVI video and 17" ADC Display.

Users with a 17" ADC flat panel display who use DVIator with the built-in DVI video on a Power Mac G4 should not install the new Mac OS 9.2.1 update for now! The updated video drivers in 9.2.1 can render the 17" LCD unusable in this configuration.

Only users with exactly the above combination of hardware including the 17" flat panel display are affected. Dr. Bott is working with Apple on a final solution.

Work-around: Users with a 17" ADC flat panel display who need to install the Mac OS 9.2.1 update should follow the guide lines detailed here:

http://www.drbott.com/prod/dviatorfaq.html#Anchor-Important-49575

They will find an easy procedure that will permit immediate installation and use of Mac OS 9.2.1 despite the above issues.

Clarification:
This issue does not exist under Mac OS 9.1 or Mac OS X for the 17" monitor. Users with a third party DVI card (such as ATIis Radeon) or running a second display should not experience these problems. Users with a 15" or 22" ADC display can install Mac OS 9.2.1 normally.

Only the specific combination of DVIator, Mac OS 9.2.1, the built-in DVI video card and 17" ADC Display can trigger problems. It is possible that the screen stays black after installing the update and you will need a Mac OS 9.1 CD or a second monitor to revive your system.

You can find more information on the DVIator at its own Web site.

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