![Amazon.com: Lenovo ThinkPad T420 Business Laptop - Windows 7 Pro - Intel Core i5-2520, 512GB SSD, 16GB RAM, 14.0" HD (1366x768) Anti-Glare Display, ThinkLight Keyboard Light, DVD/CD-RW Drive, VGA : Electronics Amazon.com: Lenovo ThinkPad T420 Business Laptop - Windows 7 Pro - Intel Core i5-2520, 512GB SSD, 16GB RAM, 14.0" HD (1366x768) Anti-Glare Display, ThinkLight Keyboard Light, DVD/CD-RW Drive, VGA : Electronics](https://m.media-amazon.com/images/I/61wZHfRAGoL._AC_SX450_.jpg)
Amazon.com: Lenovo ThinkPad T420 Business Laptop - Windows 7 Pro - Intel Core i5-2520, 512GB SSD, 16GB RAM, 14.0" HD (1366x768) Anti-Glare Display, ThinkLight Keyboard Light, DVD/CD-RW Drive, VGA : Electronics
![Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope](https://preview.redd.it/nv74lebj1s081.jpg?width=640&crop=smart&auto=webp&s=c39f99325371db4a1116d13c094eadc3cb12ffd4)
Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope
![Lenovo ThinkPad L420 Intel Core i5-2520M X2 2.5GHz 4GB 320GB DVD 14" NO OS, Black (Refurbished) - Walmart.com Lenovo ThinkPad L420 Intel Core i5-2520M X2 2.5GHz 4GB 320GB DVD 14" NO OS, Black (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/a5ce355e-6e51-414a-a8f6-4451b6d4671c_1.f3f3f1c2b121ef1e9d175a8c218169d9.jpeg)
Lenovo ThinkPad L420 Intel Core i5-2520M X2 2.5GHz 4GB 320GB DVD 14" NO OS, Black (Refurbished) - Walmart.com
![Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope](https://preview.redd.it/ugvvys61sr081.jpg?width=640&crop=smart&auto=webp&s=dd414fc0159e7bc2f5970a394edf7d62f4448903)
Here's my 10 year-old daily-driven ThinkPad L420, a machine that I have a lot of emotional bond towards because it has been working quite reliably for that amount of years, I hope
![Lenovo ThinkPad L420 Intel Core i3-2310M 2.1GHz 2nd Gen CPU 4GB RAM 320GB HDD Windows 10 Pro 14-inch Laptop (Refurbished) - Overstock - 11404180 Lenovo ThinkPad L420 Intel Core i3-2310M 2.1GHz 2nd Gen CPU 4GB RAM 320GB HDD Windows 10 Pro 14-inch Laptop (Refurbished) - Overstock - 11404180](https://ak1.ostkcdn.com/images/products/11404180/Lenovo-ThinkPad-L420-14-inch-2.1GHz-Intel-Core-i3-4GB-RAM-320GB-HDD-Windows-7-Laptop-Refurbished-b52eeb46-9635-43c0-8059-bb96bc9aa594.jpg)
Lenovo ThinkPad L420 Intel Core i3-2310M 2.1GHz 2nd Gen CPU 4GB RAM 320GB HDD Windows 10 Pro 14-inch Laptop (Refurbished) - Overstock - 11404180
![Lenovo ThinkPad L420 Intel Core i3 2GB Memory 160GB HDD 14.1 Notebook Windows 7 Professional 32-bit (Off-Lease) - RB-700814414023 at TigerDirect.com Lenovo ThinkPad L420 Intel Core i3 2GB Memory 160GB HDD 14.1 Notebook Windows 7 Professional 32-bit (Off-Lease) - RB-700814414023 at TigerDirect.com](https://images.highspeedbackbone.net/skuimages/large/J1S-102324124_main02_im_8894692.jpg)
Lenovo ThinkPad L420 Intel Core i3 2GB Memory 160GB HDD 14.1 Notebook Windows 7 Professional 32-bit (Off-Lease) - RB-700814414023 at TigerDirect.com
![Refurbished: Lenovo Laptop ThinkPad T420 Intel Core i7 2nd Gen 2620M (2.70GHz) 8GB Memory 500GB HDD Intel HD Graphics 3000 14.0" Windows 10 Pro - Newegg.com Refurbished: Lenovo Laptop ThinkPad T420 Intel Core i7 2nd Gen 2620M (2.70GHz) 8GB Memory 500GB HDD Intel HD Graphics 3000 14.0" Windows 10 Pro - Newegg.com](https://c1.neweggimages.com/ProductImage/34-331-355-S06.jpg)
Refurbished: Lenovo Laptop ThinkPad T420 Intel Core i7 2nd Gen 2620M (2.70GHz) 8GB Memory 500GB HDD Intel HD Graphics 3000 14.0" Windows 10 Pro - Newegg.com
![Lenovo Thinkpad L420 14.1-inch Laptop2nd Core I5 2520M/4GB/320GB/Window 7 Pro 64 Bit/Integrated Graphics), Black – Aetrio Technology Lenovo Thinkpad L420 14.1-inch Laptop2nd Core I5 2520M/4GB/320GB/Window 7 Pro 64 Bit/Integrated Graphics), Black – Aetrio Technology](https://aetriotechnology.com/wp-content/uploads/2021/02/lenovo-thinkpad-l420-laptop-500x500-500x500-1.jpg)
Lenovo Thinkpad L420 14.1-inch Laptop2nd Core I5 2520M/4GB/320GB/Window 7 Pro 64 Bit/Integrated Graphics), Black – Aetrio Technology
![Refurbished: Lenovo ThinkPad L420 14.0" Standard Laptop - Intel Core i5 2430M 2nd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 500GB DVD-RW Windows 10 Pro 64-Bit - Newegg.com Refurbished: Lenovo ThinkPad L420 14.0" Standard Laptop - Intel Core i5 2430M 2nd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 500GB DVD-RW Windows 10 Pro 64-Bit - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/AANW_1_20170523982641395.jpg)
Refurbished: Lenovo ThinkPad L420 14.0" Standard Laptop - Intel Core i5 2430M 2nd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 500GB DVD-RW Windows 10 Pro 64-Bit - Newegg.com
![What does this indicator mean? I couldn't find anything about it in the user manual (ThinkPad L420) : r/thinkpad What does this indicator mean? I couldn't find anything about it in the user manual (ThinkPad L420) : r/thinkpad](https://preview.redd.it/ovihyhdqob881.jpg?auto=webp&s=4857ad4ee84acfd898e926612431e35c6f8b3b06)