Several early adopters of the Apple MacBook Pro have been noticing issues with their new machines.  The first problem users are complaining about is that AirPort does not automatically rejoin a preferred network after waking up from sleep mode.  Also, at the lowest screen brightness setting, the LCD’s backlight flickers noticeably. That not enough? How about a high-pitched squeal coming from the processor and/or the LCD? Finally there is an issue with heat, which can result in the MacBook being too hot to handle. Apple has admitted to the issues and has begun replacing mainboards in affected units.  Apple is also rectifying the situation by replacing units that the recommended fix does not solve.  Starting with revision D (serial number W8611), Apple states that these problems should be a thing of the past. If you are experiencing any issues, they will replace your unit with one of the newer models.

Read More | Daily Tech