![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-o0y475ykmipa1.jpg?width=640&crop=smart&auto=webp&s=07ef61f842b1facebf0d9228bebc4560ffa45394)
I have a Lenovo Thinkpad T420. I just Noticed a icon and switch and the side of my Laptop. What is that? : r/thinkpad
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Amazon.com: Lenovo ThinkPad T420 Business Laptop - Windows 7 Pro - Intel Core i5-2520, 1TB SSD, 16GB RAM, 14.0" HD (1366x768) Anti-Glare Display, ThinkLight Keyboard Light, DVD/CD-RW Drive, VGA : Electronics
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Lenovo ThinkPad T420 i5 2.5GHz 8GB RAM 120GB Solid State Hard Drive 14" HD LCD Windows 10 Grade A Used - Walmart.com
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Dock Port Replicator For Lenovo T410 T420 T430s T520 X220 X2304337 3.0 Docking Station With 2key Refurbished - Cases - AliExpress
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Lenovo T420 14" Laptop Computer Intel Core i5 Processor 8GB RAM Memory 500GB Hard Drive Used PC Windows 10 Pro - Walmart.com
![Lenovo ThinkPad T420 i5 2.5GHz 8GB RAM 120GB Solid State Hard Drive 14" HD LCD Windows 10 Grade A Used - Walmart.com Lenovo ThinkPad T420 i5 2.5GHz 8GB RAM 120GB Solid State Hard Drive 14" HD LCD Windows 10 Grade A Used - Walmart.com](https://i5.walmartimages.com/asr/22e10b50-c91e-426b-a1ed-c82549545011_2.78f565032adfe416fde7fabe4ce49576.jpeg)
Lenovo ThinkPad T420 i5 2.5GHz 8GB RAM 120GB Solid State Hard Drive 14" HD LCD Windows 10 Grade A Used - Walmart.com
![Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com](https://i5.walmartimages.com/seo/Lenovo-ThinkPad-T420-14-0-Laptop-Intel-Core-I7-2620M-3-4Ghz-8G-DDR3-240G-SSD-DVDRW-DP-W10P64-Multi-Languages-Support-EN-ES-FR-1-year-warranty-Used-Gr_e784333a-7c25-4e71-ae1e-a103717a4b7c.91ced4af84101e79fc96c873083b319e.jpeg)
Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com
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