Removing The Nano-Sim Card And Tray (For Selected Models); Removing The Sd Card (If Any) - Lenovo P16 Gen 1 Hardware Maintenance Manual

5. Clear the Turn on fast startup check box, and then click Save changes.
To disable the built-in battery:
1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS
menu.
2. Select Config ➙ Power. The Power submenu is displayed.
3. Select Disable built-in battery and press Enter.
4. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off
automatically. Wait three to five minutes to let the computer cool.

Removing the nano-SIM card and tray (for selected models)

If the computer you are servicing has a nano-SIM card installed, remove the card with the tray together.
After you finish the servicing, ensure that you install the nano-SIM card back into the slot firmly.

Removing the SD card (if any)

If the computer you are servicing has an SD card installed, remove the SD card before you start the servicing.
Push the SD card inward a little bit. Then, release it. The SD card ejects. Gently slide the card out of the card
slot.
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P16 Gen 1 Hardware Maintenance Manual