If you've been using an HDMI to DVI adapter to hook up your Apple TV, there's a chance you've been dealing with some annoying flickering on the boob tube since downloading the latest update to the device. Well, the end to your flashing screen woes is here: Apple's just let loose a followup that promises to fix the flickering. Update 4.2.1 also addresses audio issues and a glitch that puts the thing in a permanent slumber when it goes to sleep. So there you have it -- now you won't have to miss even a split second of your favorite episode of That's So Raven, even though we all know you have it committed to memory. Follow the source link to get your fix.

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