Lenovo ThinkPad X1 Carbon 6th Gen Fan Replacement - iFixit Repair Guide
T490-BIOS-Update-1-49-results-in-100-fan-speed - English Community - LENOVO COMMUNITY
C940 Yoga. Possible Fix for the high pitched fan noise (right fan). Worked great on my unit, albeit there is still some but way less then before. Works from the outside just
Lenovo ThinkPad X1 Carbon Gen 9 Laptop Review: Big 16:10 upgrade with Intel Tiger Lake - NotebookCheck.net Reviews
X1 Carbon 6th gen - horrible cooling fan design : r/thinkpad
Amazon.com: QUETTERLEE Replacement New CPU Cooling Fan For Lenovo Thinkpad Yoga X1 Carbon 4th 2016 20FB 20FC Series Laptop CPU Fan + Heatsink 01AX830 ND55C33 01AW976 00JT800 01AX999 01YT252 FAN : Electronics
T495s: How's the build quality? Is high-pitched fan noise an universal issue? : r/thinkpad
Lenovo ThinkPad X1 Carbon 6th Gen 2018 Disassembly and RAM, SSD upgrade options - Laptopmain.com