![I have a Lenovo Thinkpad T420. I just Noticed a icon and switch and the side of my Laptop. What is that? : r/thinkpad I have a Lenovo Thinkpad T420. I just Noticed a icon and switch and the side of my Laptop. What is that? : r/thinkpad](https://preview.redd.it/i-have-a-lenovo-thinkpad-t420-i-just-noticed-a-icon-and-v0-hgzu8dogmipa1.jpg?width=640&crop=smart&auto=webp&s=4be299b6335cd3e034dbec5f3c61c3e7072a33d9)
I have a Lenovo Thinkpad T420. I just Noticed a icon and switch and the side of my Laptop. What is that? : r/thinkpad
![Lenovo T430 14" Laptop, Intel Processor i5, 4th Generation, 8GB RAM, 250gb Hard Drive, Camera, Windows 10 (Reused) - Walmart.com Lenovo T430 14" Laptop, Intel Processor i5, 4th Generation, 8GB RAM, 250gb Hard Drive, Camera, Windows 10 (Reused) - Walmart.com](https://i5.walmartimages.com/asr/58a704e1-7948-411c-b825-d8cdfa6f4929.76de27503825754075d60b8ed8a2b9d7.png)
Lenovo T430 14" Laptop, Intel Processor i5, 4th Generation, 8GB RAM, 250gb Hard Drive, Camera, Windows 10 (Reused) - Walmart.com
![Lenovo Thinkpad T430s 14in HD Business Performance Laptop Computer PC, Intel Dual Core i5-3320M up to 3.3GHz, 8GB Ram, 256GB SSD, DVD, Bluetooth, Windows 10 Professional (Renewed) Lenovo Thinkpad T430s 14in HD Business Performance Laptop Computer PC, Intel Dual Core i5-3320M up to 3.3GHz, 8GB Ram, 256GB SSD, DVD, Bluetooth, Windows 10 Professional (Renewed)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61QrQ+l5D5L.jpg)
Lenovo Thinkpad T430s 14in HD Business Performance Laptop Computer PC, Intel Dual Core i5-3320M up to 3.3GHz, 8GB Ram, 256GB SSD, DVD, Bluetooth, Windows 10 Professional (Renewed)
![10pcs/lot Wireless Slide Switch 3-pin For Lenovo Thinkpad T500 W500 T400 R400 T410 T420 T430 I S Si Etc Wireless Radio Switch - Switches - AliExpress 10pcs/lot Wireless Slide Switch 3-pin For Lenovo Thinkpad T500 W500 T400 R400 T410 T420 T430 I S Si Etc Wireless Radio Switch - Switches - AliExpress](https://ae01.alicdn.com/kf/HTB1GirxJVXXXXaUaXXXq6xXFXXXb/10pcs-lot-Wireless-Slide-Switch-3-pin-for-Lenovo-ThinkPad-T500-W500-T400-R400-T410-T420.jpg)
10pcs/lot Wireless Slide Switch 3-pin For Lenovo Thinkpad T500 W500 T400 R400 T410 T420 T430 I S Si Etc Wireless Radio Switch - Switches - AliExpress
![Lenovo ThinkPad T430 Laptop - Intel Core i5-3320M 2C 2.6GHz, 8GB RAM, 240GB SSD, DVDROM, 14 HD Display, Integrated Graphics, Win 10 Pro 64-bit, 1 Year Warranty, Grade A Refurbished - PC5-3664-REF Lenovo ThinkPad T430 Laptop - Intel Core i5-3320M 2C 2.6GHz, 8GB RAM, 240GB SSD, DVDROM, 14 HD Display, Integrated Graphics, Win 10 Pro 64-bit, 1 Year Warranty, Grade A Refurbished - PC5-3664-REF](https://images.highspeedbackbone.net/SKUimages/enhanced/42128775-call02-IR-LENOVO-LAPTOP.jpg)
Lenovo ThinkPad T430 Laptop - Intel Core i5-3320M 2C 2.6GHz, 8GB RAM, 240GB SSD, DVDROM, 14 HD Display, Integrated Graphics, Win 10 Pro 64-bit, 1 Year Warranty, Grade A Refurbished - PC5-3664-REF
![Amazon.com: Lenovo Thinkpad T430 Business Laptop computer Intel i5-3320m up tp 3.3GHz, 8GB DDR3, 128GB SSD, 14in HD LED-backlit display, DVD, WiFi, USB 3.0, Windows 10 Pro (Renewed) : Electronics Amazon.com: Lenovo Thinkpad T430 Business Laptop computer Intel i5-3320m up tp 3.3GHz, 8GB DDR3, 128GB SSD, 14in HD LED-backlit display, DVD, WiFi, USB 3.0, Windows 10 Pro (Renewed) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/619MYEDee9L.jpg)