The following is a list of CRUs of your computer.
Self-service CRUs
* for selected models
Note: Replacement of any parts not listed above, including the built-in rechargeable battery, must be done by a Lenovo-authorized repair facility or technician. Go to https://support.lenovo.com/partnerlocator for more information.
Before replacing any CRU, ensure that you disable Fast Startup first and then disable the built-in battery.
To disable Fast Startup:
To disable the built-in battery:
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Note: Do not remove the base cover assembly when your computer is connected to ac power. Otherwise, there might be a risk of short circuits.
For access, do the following:
Removal procedure
Installation procedure
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power adapter and then reconnect it to the computer.
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Attention: If you replace a M.2 solid-state drive, you might need to install a new operating system. For details on how to install a new operating system, see “Install a Windows operating system and drivers”.
The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
When handling the M.2 solid-state drive, observe the following guidelines:
For access, do the following:
Removal procedure
Note: In case of M.2 SSD replacement, you computer only supports single-sided M.2 SSD. Double-sided M.2 SSD is not applicable due to the height limitation of the slot.
The following information is only for the computer with user-installable modules. Ensure that you use only a Lenovo-authorized wireless module specifically tested for this computer model. Otherwise, the computer will generate an error-code beep sequence when you turn on the computer.
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Attention: Do not touch the contact edge of the wireless WAN card. Otherwise, the wireless WAN card might get damaged.
For access, do the following:
Removal procedure
Type 1
Type 2
Type 3
Installation procedure
Type 1
Note: When you install the wireless WWAN card, ensure that you connect the blue cable to a connector, the black with grey cable to b connector, the white cable to c connector and the orange cable to d connector as shown.
Type 2
Note: When you install the wireless WWAN card, ensure that you connect the blue cable to a connector, the black with grey cable to b connector, the white cable to c connector and the orange cable to d connector as shown.
Type 3
Note: When you install the wireless WWAN card, ensure that you connect the blue cable to a connector and the orange cable to b connector as shown.