Lenovo B470E manual Removing the optical drive on some models

7.Align the notch of the DDR3 SDRAM with the protrusion of the socket and gently insert the DDR3 SDRAM into the socket at a 30-45° angle. Then push the DDR3 SDRAM inward toward the socket until the latches on both edges of the socket are pushed into the closed position.

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8.Reinstall the compartment cover and tighten the screws.

9.Reinstall the battery pack.

10.Turn the computer over again. Connect the ac power adapter and the cables to the computer again.

To make sure that the DDR3 SDRAM is installed correctly, do the following:

1.Turn the computer on.

2.Hold F2 during startup. The BIOS screen opens. The System Memory item shows the total amount of memory installed in your computer.

Removing the optical drive (on some models)

Before you start, print these instructions.

To remove the optical drive, do the following:

1.Remove the screw 1 .

2.Gently pull out the optical drive in the direction of the arrow

2.

Appendix A. CRU instructions 33