According to scattered reports on the Apple Support Forums, some users who have applied Apple’s latest extensible firmware interface (EFI) update are experiencing reduced frame rates while running graphically-intensive applications on the Nvidia GeForce GT 650M graphic chipset. The problems are inconsistent, and temporarily fixed by a SMC reset. The issue mostly affects waking a computer from sleep, gaming, or using Windows in Boot Camp.
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Is it possible to blank it without using the disk drive? Or any suggestions how I could go about it? macbook http://goo.gl/xEWh7