laptops

L15 Gen 3 (type 21C3, 21C4) Laptops (ThinkPad) - Type 21C3 213035-1

Hello guys! I have 3 different laptop with same problem: Lenovo ideapad 100( MB: NM-A681 ), Z50-70 (MB: NM-A272) and yoga 700. all of them power on, fan spinning, power light on, battery charging but no display. Made some measurement on edp port and i found that +LEDVDD 20v, +3VS 3V, but...

Laptops-and-netbooks Lenovo BIOS 100-series 100-14ibd 100-14iby 100-15ibd 100-15iby 100s-11iby 100s-14ibr 110-14ibr 110-14isk 110-15ACL 110-15IBR 110-15isk 110-17acl 110-17ikb 110-Touch-15ACL 100S-Series-Chromebook 100s-chromebook 300-Series 300-14ISK 300-14ibr 300-15ibr 300-15isk 300-17isk...