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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...
Lenovo BIOS series model:
BIOS BVDT
Note: Version càng mới càng tốt ( new as possible ) :D
How To FIND PRODUCT NAME & SERIAL NUMBER?
100 Series (IdeaPad)
100-14IBY Laptop (ideapad)
100-15IBY Laptop (ideapad)
300 Series (IdeaPad)
305-14IBD Laptop (ideapad)
305-15ABM Laptop (IdeaPad)...
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