Resolutions are lost after installing Mac OS 7.6.1 on NuBus-based Power Macintosh computers with AppleVision displays connected to the AV Display Connector. The display is still recognized as an AppleVision display, and all of the other AppleVision features still function (color calibration, geometry settings, etc.). Note: If you are using an AppleVision display, pressing the control buttons on the front of the display, lower left will open the Monitors and Sounds control panel. Customers with Power Macintosh 6100AV, 7100AV, or 8100AV computers, running U.S. English Mac OS 7.6.1, with an AppleVision display connected to the AV Display connector. It can be used with AppleVision software versions 1.0.2, 1.5.1, and 1.5.2, although upgrading to version 1.5.2 is recommended.