Lenovo ThinkCentre M83 TOWER PC core i5-4670 3.4GHz 500 GB, 4GB, NO OS, TESTED | eBay
How to select another boot device on a Lenovo ThinkCentre computer - YouTube
while attempting to update bios of lenovo m83 tower : r/Lenovo
Amazon.com: Lenovo ThinkCentre M83 Tiny Mini Business Desktop Computer, Intel Quad-Core i5-4590T Processor, 16GB RAM, New 1TB SSD, WiFi, Windows 10 Pro (Renewed) : Electronics