lenovo flex14 -nopower

[ghoshiry]

hi to all
i have a lenovo flex14 and dont power on
voltage 3.3 and 5 is ok and fix
when i push power key one moment on and off fast
pls help me if you have this problems
tanks:vio

[tibd]

Re: lenovo flex14 -nopower

try without battery and see if it fires.

[ghoshiry]

Re: lenovo flex14 -nopower

i try withe battery but not work

[ghoshiry]

Re: lenovo flex14 -nopower

any one have this model Schematic?

[khaahk]

Re: lenovo flex14 -nopower

Try a good power adapter, if adapters center pin is not connected then the behavior might be like that. If no good apapter at hand use 500kOhm resistor from id pin to gnd to simulate Lenovo smart adapter.

[ghoshiry]

Re: lenovo flex14 -nopower

adapter is good and ok-when battery is conected led light for battry is on
but dont power on