MacBook Pro (13-inch) General Troubleshooting — Display Hinge Behavior 32
2010-09-14
Display Hinge Behavior
MacBook Pro models have a unique counterbalanced clutch system. The design provides a
smooth, uid feel when opening, closing, or positioning the display. The counterbalanced clutch
system was designed so that when the display is vertical with respect to the ground, it will
remain in place regardless of the angle of the base.
Moving display past vertical allows the hinges to release and the display to close. This is normal
behavior and no repair is necessary. For more information, and to watch a video of normal
hinge behavior, refer to kBase #HT3304: MacBook Pro: Display hinge behavior.
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