If you own a 27-inch iMac that's afflicted by the cursed screen-flickering problem, Apple's 27-inch iMac Display Firmware Update 1.0 will come as very good news. The update claims to correct the iMac's firmware to ensure proper display performance, eliminating the widespread flickering issue marring the displays of many 27-inch iMacs (see "New iMac Screens Cracking and Flickering," 10 December 2009). Be sure to follow Apple's warning not to turn your computer off during installation. More information regarding installation is also available on Apple's Web site. The update is available via Software Update or the Apple Support Downloads page. (Free, 294 KB)
Thoughtful, detailed coverage of the Mac, iPhone, and iPad, plus the best-selling Take Control ebooks.
- Upgrade to and Learn Lion with New Take Control Ebooks
- Our Favorite Hidden Features in Mac OS X Lion
- Lion Security: Building on the iOS Foundation
- Subtle Irritations in Lion
- Finding a Replacement for Quicken
- Lion Is a Quitter
- Dealing with Lion's Hidden Library
- Lion Application Compatibility Wiki
- Rosetta and Lion: Get Over It?
- Preparing for Lion: Find Your PowerPC Applications
Spin Through Toolbar View Options
Although many people never change their toolbars from the default settings, all standard toolbars on the Mac offer six states: icon only, text only, and icon and text, with all three coming in normal and small size. You can change them by choosing View > Customize Toolbar.
But there's a shortcut that makes it easier to check out each variant. Simply Command-click the toolbar lozenge at the upper right of a window, and the toolbar switches to the next view. Click it enough times, and you cycle back to the start.
Written by
Kirk McElhearn
Related Articles
- TidBITS Watchlist: Notable Software Updates for 8 February 2010 (08 Feb 10)
- New iMac Screens Cracking and Flickering (10 Dec 09)
27-inch iMac Display Firmware Update 1.0
by Doug McLean 
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