Lenovo IdeaPad 3-15IML05 Motherboard Replacement

Escrito Por: Robert Carbajal Gonzalez

Comentários: 0

Lenovo IdeaPad 3-15IML05 Motherboard Replacement

Dificuldade

Difficult

Passos

Tempo necessário

35 minutes - 1 hour

Introdução

If your Lenovo IdeaPad 3-15IML05 will no longer power on or is failing, use this guide to replace your motherboard.

Before beginning this guide, attempt other possible solutions, this should be a last resort. Refer to the device’s troubleshooting page for additional diagnostic assistance.

The motherboard is a critical component of your computer, it allows internal components to communicate with one another. Motherboards primarily fail due to electrical surges, overheating, and physical damage. Replacing the motherboard can extend your computer's lifespan and reduce e-waste.

During this repair, all components and cables connected to the motherboard must be disconnected. Take your time and proceed through each step carefully to lower the risk of additional damage.

Working with lithium-ion batteries can be hazardous. A connected or swollen battery may catch fire if damaged. Before beginning this repair, discharge the battery below 25%, power off the laptop, and unplug all peripherals.

If you encounter a swollen battery, refer to this guide for disposal.

Ferramentas

Passo 1

Before beginning, discharge the battery below 25%, power the device off, and disconnect all peripherals.
Use a Phillips #1 screwdriver to remove the following screws:
Six 7 mm screws
Four 4 mm screws

Passo 2

Insert an opening pick into the seam between the lower case and chassis.
Slide the pick around the entire perimeter until all of the plastic retaining clips release.
Remove the lower case.
Forcing the back cover open could break the plastic retaining clips.
During reassembly, lay the cover flat and press around the edges to secure it to the plastic clips.

Passo 3

Use a Phillips #00 screwdriver to remove the three 5 mm screws securing the battery.
To remove the battery, slide it to the right and lift it away from the hard drive cover.
If needed, you can lift the hard drive cover by removing the two 5 mm screws on the left.

Passo 4

Using a spudger or tweezers, push the CMOS battery JST connector out of its socket.
Pulling directly on the cables could damage the connector.

Passo 5

Grasp and remove the CMOS battery, which is secured with adhesive.
Prying tools, such as a spudger, can be used to remove the CMOS battery.

Passo 6

Use your fingernails to flip up the two locking flaps on the ZIF connectors near the battery.
You may use tweezers to flip the locking flaps up.

Passo 7

For the larger ZIF cable, grab the sides and gently pull it out of its socket.
For the smaller ZIF cable, use the blue pull tab provided and gently pull it out of its socket.
When reconnecting the cables, ensure the locking flap is up, insert the cable into the socket, and flip the locking flap down. The cables should slide in with little to no force.

Passo 8

Using angled tweezers, slide them under the metal neck of the antenna cables, and lift straight up.
Lifting at an angle could damage the socket underneath the board.
When reconnecting the antenna cables, hold the cable with tweezers and gently press with your finger or a spudger. They should snap into place, however this might take a few tries.
Don't force the connector into place or you might permanently damage it.

Passo 9

Using tweezers, gently pull the JST fan cable out of its socket.
Use a Phillips #00 screwdriver to remove the following screws:
Two 3.5 mm screws
One 5 mm screw
Lift the fan and guide the antenna cables out of the clips on its edge.
Slightly shift the fan to the left, away from the motherboard.

Passo 10

Using a Phillips #0 screwdriver remove each of the two 2.5 mm screws that secure the SSD and Wi-Fi card.
The SSD and Wi-Fi card will pop up at angle once the screw is removed.
Pull the SSD and Wi-Fi card out of their sockets.
During assembly, insert both at a downward angle into their socket.

Passo 11

Using your fingernails, flip up the locking flap on the ZIF cable connector, located near the fan and motherboard
You may use tweezers to flip the locking flap up.
Use the blue pull tab provided and gently slide the cable out of its socket.
When reconnecting the cable, ensure the locking flap is up, insert the cable into the socket, and flip the locking flap down. The cable should slide in with little to no force.

Passo 12

Using angled tweezers, flip up the locking flap on the ZIF cable connector.
For the ZIF cable, grab the sides and gently pull it out of its socket.
Using tweezers, gently pull the JST cable out of its socket.
When reconnecting the ZIF cable, ensure the locking flap is up, insert the cable into the socket, and flip the locking flap down. The cable should slide in with little to no force.

Passo 13

Use a Phillips #00 screwdriver to remove the four 2.5 mm screws that secure the heat sink.
Lift the heat sink straight up.
Based on the thermal paste's condition, some resistance might be present while removing the heat sink.

Passo 14

Push both of the metal arms away from the RAM module.
Upon pushing both sides, the RAM will pop up.
Pull the RAM out of its socket.
During reassembly, insert the RAM at a 45 degree angle and push down until it clips into place.

Passo 15

Use a Phillips #00 screwdriver to remove the following screws:
Three 2.5mm screws
Two 3.5mm screws
A Lenovo sticker might be hiding the third 2.5 mm screw.
Lift and pull the motherboard away.

Conclusão

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

Autor(a)

Robert Carbajal Gonzalez

Membro desde: 17/06/25

721 Reputação

Lenovo IdeaPad 3-15IML05 Motherboard Replacement

Introdução

Ferramentas

0 comentários