y520-15IKBN

[mazloum]

hi guys
i have a power problem with this laptop:
no power at all
the pins 5-6-7-8 on pq201= 20v
pins 1-2-3 on pq201= 0v
pin 4 = 0.021~~0.044v unstable
no short on pq201 nor pq202

[lapfix]

Re: y520-15IKBN

Voltage at charger ic pins ! did you find the requirements voltages to work !

[mcplslg123]

Re: y520-15IKBN

These are very basic steps and @mazloum with 337 posts should be knowing this. Check basic requirements of charging IC as@lapfix has suggested such as ACOK,ACDET,ACN/ACP/CMSRC/REGN Etc.