5
7.Remove the screws and detach the brackets from the hard disk drive.
8.Attach the bracket to a new hard disk drive and reinstall the screws to secure the bracket.
9.Place the new hard disk drive into the hard disk drive bay with the tab facing upwards and the connectors facing each other.
10.Slide the hard disk drive firmly into place, and then reinstall the screw to secure the drive
11.Reinstall the computer cover, and then reinstall the screws to secure the cover.
12.Reinstall the battery. See “Replacing the battery” on page 31.
13.Turn the computer over again. Connect the ac power adapter and all cables.
Replacing a memory module
Before you start, print these instructions.
Prerequisites for the procedure
Note: The operating speed of the memory module has dependency on the system configuration. In some conditions, the memory module in your computer might not be able to operate at the maximum speed.
Attention: Before you start installing a memory module, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the memory module.
To replace a memory module, refer to the instructions for the computer.
•“Lenovo B480” on page 38
•“Lenovo B580” on page 40
Lenovo B480
To replace a memory module, do the following:
1.Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait three to five minutes to let the computer cool.
2.Close the computer display, and turn the computer over.
3.Remove the battery. See “Replacing the battery” on page 31.
4. Remove the screws
1 , and then remove the cover
2.
