Lenovo ThinkCentre M90n-1 User Manual

2. Select Security ➙ Cover Tamper Detected and press Enter.
3. Select Enabled and press Enter.
4. Press F10 or Fn+F10 to save the changes and exit.
If the cover presence switch is enabled and the computer cover is not correctly installed or closed, an error
message will be displayed when you turn on the computer. To bypass the error message and log in to the
operating system:
1. Properly install or close the computer cover.
2. Enter the BIOS menu, save and then exit.
Use Smart USB Protection
The Smart USB Protection function is a security function that helps prevent data from being copied from the
computer to USB storage devices connected to the computer. You can set the Smart USB Protection
function to one of the following modes:
• Disabled (default setting): You can use the USB storage devices without limitation.
• Read Only: You cannot copy data from the computer to the USB storage devices. However, you can
access or modify data on the USB storage devices.
• No Access: You cannot access the USB storage devices from the computer.
To configure the Smart USB Protection function:
1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1.
2. Select Security ➙ Smart USB Protection and press Enter.
3. Select the desired setting and press Enter.
4. Press F10 or Fn+F10 to save the changes and exit.
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M90n-1 User Guide

Lenovo ThinkCentre M90n-1 Specifications

General

Operating System	Windows 10 Pro
Memory	Up to 16GB DDR4
Storage	Up to 1TB SSD or 2TB HDD
Graphics	Intel UHD Graphics
Weight	505g (1.11 lbs)
Ports	1 x HDMI
Wireless	Wi-Fi 6, Bluetooth 5.0
Power Supply	65W AC adapter