User Guide

Certification-related information
Product name Compliance ID Machine type(s)
ThinkPad T490s TP00105A 20NX and 20NY
ThinkPad X390 TP00106A
20Q0 and 20Q1
The latest compliance information is available at:
https://www.lenovo.com/compliance
Regulatory labels
Depending on your country or region, you can find the government-required regulatory information through
one of the following methods:
• On a physical label attached to the outside of your computer shipping carton
• On a physical label attached to your computer
• Through an electronic-label screen (E-label screen) preinstalled on your computer
To access the E-label screen, do one of the following:
• Restart the computer. When the logo screen is displayed, press F9. The E-label screen is displayed.
• Restart the computer. When the logo screen is displayed, press Enter or tap the prompt to enter the
Startup Interrupt menu. Then, press F9 or tap the Regulatory Information option. The E-label screen is
displayed.
Korean E-label notice
TCO certification
To obtain the TCO certification information for your computer, go to:
https://www.lenovo.com/tco-cert
Export classification notice
This product is subject to the United States Export Administration Regulations (EAR) and has an Export
Classification Control Number (ECCN) of 5A992.c. It can be re-exported except to any of the embargoed
countries in the EAR E1 country list.
Lenovo product service information for Taiwan
Taiwan precautionary vision statement
警語：使用過度恐傷害視力
注意事項：
• 使用30分鐘請休息10分鐘。
• 2歲以下幼兒不看螢幕，2歲以上每天看螢幕不要超過1小時。
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T490s and X390 User Guide