However, the length of the screw varies depending on the location, so draw an illustration on Letter size paper and fasten it with cellophane tape so that it does not get messed up. ▶ With your iMac lying down, remove the twelve T8 Torx screws circled in red in the figure. ▶ After removing the front glass panel, lean it in a suitable place. The trick is to stick it near the top edge of the glass panel, pull it little by little, and if you get a slight gap, stick your finger in and prevent it from sticking again with the magnet. This glass panel is attached to the iMac itself with many strong magnets, so it won’t come off without a lot of effort.

▶ With the iMac upright, attach the vacuum lifter to the front glass panel and pull to remove it. ▶︎ Turn the iMac upside down or face it up, and then use a Phillips screwdriver to remove the memory expansion lid at the bottom of the display. This is to prevent you from getting an electric shock from the current remaining inside the iMac when you disassemble it, or shorting the board when you roll the screws. ▶︎Unplug the power cable from your iMac and press the power switch on the back 5-6 times. You can do this for other models in much the same way, but please note that there are some differences. The iMac models used in the explanations below are as follows. Procedure for disassembling iMac and replacing HDD

Hard drive for imac 2007