Opened my Y540 to clean the fans as it was getting hotter, found this weird stain in the heatsink. What is it? : r/Lenovo
Lenovo Legion 5 Pro Disassembly (RAM, M.2 SSD upgrade options)
Lenovo Y540 Gaming Laptop Disassembly and Upgrade (SSD, Ram, HDD) | A Customer ordered a Brand New Lenovo Y540 Laptop from me and asked me to perform some upgrades for them. I