![]() ![]() This has been the most straightforward fix so far. Press control-shift-eject, which forces the display to turn off and reset.Until then there are several easy fixes for this problem: Various reports indicate that Apple Engineers are aware of the problem and are working on a fix - perhaps to be released in the next Mac OS X update, or with a firmware update for the MacBook Pr. The problem appears to be related specifically to Mac OS X graphics drivers as the issue does not manifest when systems are booted into Windows under Boot Camp. It looks as if half the LED backlights did not activate." ".every so often, when I wake the MBP (Penryn) from sleep, I see alternating bands of light and dark vertical "stripes" along the screen. The problem is easily fixable on a temporary basis, but it occurs repeatedly for most afflicted users.Īs Apple Discussions poster "Atomic Wedgie" writes: When the problem manifest, alternating light and dark vertical bands appear on the screen when the system wakes from sleep. Some users are experiencing an ongoing display issue, primarily affecting Penryn-based MacBook Pros.
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