Lenovo IdeaPad Y400 Disassembly

In this guide, I will explain how to disassemble the Lenovo IdeaPad Y400 to remove the DVD drive, hard drive, keyboard, palm rest, wireless card, RAM, heat sink, cooling fan, speakers, and motherboard.

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Unlock and remove the battery.

Unlock this latch.

Now you can pull out the DVD drive.

The Lenovo IdeaPad Y400 comes with a Panasonic UJ8B2 DVD Drive.

Remove all screws from the bottom cover.

Do not forget to remove the screws in the optical drive bay.

Insert a plastic pry tool under the bottom cover. Slide the pry tool to separate the bottom cover from the laptop.

Remove the bottom cover.

Close-up of the bottom cover, there is a layer of aluminum on the cover.

Under the bottom cover, you can get access to the RAM, hard drive, wireless card, heat sink, and cooling fan.

Use your nails to separate the clips on both sides of the memory; the memory module will pop out automatically. This laptop has two memory slots, but only one memory module is installed. You can add another memory module to upgrade the memory.

The Lenovo IdeaPad Y400 comes with a Samsung 4GB PC3-12800S memory module.

The laptop has a spare mSATA slot, and you can install an SSD here.

Remove the two screws securing the hard drive assembly. Lift the tape and slide to the left to remove it from the motherboard.

This hard drive is installed in an HDD caddy. To replace the hard drive, you need to remove it from the HDD caddy and install it in the new hard drive.

Disconnect the two antennas and remove the screw. You can remove the wireless card.

T77H194.12 wireless card

Now, we begin to remove the palm rest. Insert a plastic pry tool near the screen hinge under the palm rest, and move the pry tool to separate the palm rest from the laptop.

Lift the palm rest. Please note that you cannot completely remove the palm rest here yet, because there are keyboard, backlight, and touchpad cables still connected to the motherboard.

Disconnect the three cables and remove the palm rest.

After removing the palm rest, you can access the speakers, cooling system, and motherboard.

Close-up of the palm rest

On the back of the palm rest, you can access the keyboard, touchpad, and two small circuit boards.

Touchpad

If you want to remove the cooling fan, you must remove the motherboard first.

Lenovo IdeaPad Y400 internal parts