iMac: Installing Memory (2 of 2)

For more information on:

• How to identify which iMac you have, refer to How to identify your iMac.
• The type of memory used to upgrade your iMac, read iMac (All Models): Memory Specifications and Upgrades.

Installing Memory in Your Computer (Part 2)

The first half of this procedure is covered in iMac: Installing Memory (1 of 2).

16. If you moved around the room at all, you may have generated some static electricity. Touch any exposed metal on the logic board/drive assembly. This helps protect the computer from damage caused by electrostatic discharge.

17. Carefully snap off the metal shield by lifting both sides.



Carefully unsnap the shield on both sides and lift it off.

Figure 1 Removing the metal shield

18. To install a DRAM DIMM, align it in the DRAM slot as shown and push the DIMM down until it snaps into place. Important: Do not touch the DIMM's edge connectors. Handle the DIMM only by the other edges.

The SO-DIMM is designed to fit into the slot only one way.  Align the notch in the DIMM with the small rib in the slot and insert the DIMM at an angle, as shown. Snap the DIMM into place by pushing down on it until it is lying flat and parallel to the main logic board. Your DIMM's shape and components may vary.




Figure 2 Inserting the DRAM DIMM.

19. Snap the metal shield back into place.

Snap the shield back into place.

Figure 3 Replacing the metal shield

20. To install video memory, place the SO-DIMM in the slot as illustrated.

Important: Do not touch the DIMM's edge connectors. Handle the DIMM only by the other edges.

The SO-DIMM is designed to fit into the slot only one way. Align the notch in the DIMM with the small rib in the slot and insert the DIMM at an angle, as shown. Snap the DIMM into place by pushing down on it until it is lying flat and parallel to the main logic board. Your DIMM's shape and components may vary.

Figure 4 Inserting the SO-DIMM.

21. With one hand on the plastic handle, gently lower the logic board/drive assembly straight down into the computer until it is in place.

Use the plastic handle to lower the logic board straight down into the computer until it is seated.

Figure 5 Inserting the logic board/drive assembly.

22. Use a Phillips screwdriver to screw the two screws back inside the plastic handle.

Reinsert the two screws located inside the plastic handle.



Figure 6 Replacing screws.

23. Reconnect the four cables, attaching them as shown.

Note: You may need to use a screwdriver to reconnect the video cable.

Reconnect these four cables. Layer them as shown here.

Figure 7 Reconnecting the cables.

24. If your computer has clamps over any cables, tuck the cables underneath the clamp. If the clamp has a screw, replace the clamp over the cable, then screw the clamp into place.

If your computer has a cable clamp here, tuck
the cables back into place underneath the clamp.

If your computer has a cable clamp here, replace the clamp around the cable and screw the clamp into place.

Figure 8 Adjusting the clamp.

25. Replace the plastic cover. Make sure you snap it back into place around all of the edges.

Note: If the cover doesn't fit properly, check the cable connections to make sure the cables are layered properly.

Replace the plastic cover. Be sure to snap the cover back into place all around its edges.

Figure 9 Replacing the cover.

26. Use a Phillips-head screwdriver to screw the screw back on the lower back cover.

Reinsert this screw.

Figure 10 Securing the cover.

27. If you locked the back cover, place the security cable through the handle and lock the cover.

28. Reconnect the cables and power cord you disconnected from your computer and turn on the computer.

If you need help reconnecting your cables, see the setup instructions that came with your computer.

Warning: Never turn on your computer unless all of its internal and external parts are in place. Operating the computer when it is open or missing parts can be dangerous and damage your computer.