Lenovo IdeaPad Y560 - Manual (Page 74)

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Chapter 6. Upgrading and replacing devices
To make sure that the SO-DIMM is installed correctly, do as follows:
1
Turn the computer on.
2
Hold F2 during startup. The BIOS Setup Utility screen opens. The
Total Memory
item shows the total amount of memory installed in
your computer.
Note: If only one DIMM is used on the computer you are servicing, the card must be
installed in SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot). a b
b
a