Lenovo N300 Lenovo N300/308 All-In-One PC Hardware Maintenance Manual - Page 21

Replacing the hard disk drive, Step 2. Unplug all power cords from electrical outlets.

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Step 5. Push out the latches on both sides of the memory socket to release the memory module. Gently pull the memory module upward to remove it from its socket. Step 6. To install the new memory module: a. Align the new memory module with the memory socket, then insert it and push down on the top edge. b. Make sure the latches lock the memory module in place. Step 7. Reattach the rear cover and secure it with the screws. Replacing the hard disk drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the hard disk drive: Step 1. Step 2. Step 3. Step 4. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Left and right view" and "Rear view" for help with locating the various connectors. Remove the rear cover. Refer to "Removing the rear cover". Chapter 4. Replacing hardware 15

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Step 5. Push out the latches on both sides of the memory socket to release the memory module. Gently
pull the memory module upward to remove it from its socket.
Step 6. To install the new memory module:
a. Align the new memory module with the memory socket, then insert it and push down on
the top edge.
b. Make sure the latches lock the memory module in place.
Step 7. Reattach the rear cover and secure it with the screws.
Replacing the hard disk drive
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover.
To replace the hard disk drive:
Step 1. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the rear cover. Refer to "Removing the rear cover".
Chapter 4
.
Replacing hardware
15