Hello,
I ve 2 Lenovo L420 with no power only led battery blink 3 times when plug charger
I check voltage on motherboard.
I found 3VPCU and 5VPCU
I found 5V_S5 (few second after press power button) , 3VSUS (always),3V_S5(always)
BIOS IC i found 3,3V only after press button few second.
I tried flash bios
Didnt find voltage of CPU, of DDR, ...
thx
I ve 2 Lenovo L420 with no power only led battery blink 3 times when plug charger
I check voltage on motherboard.
I found 3VPCU and 5VPCU
I found 5V_S5 (few second after press power button) , 3VSUS (always),3V_S5(always)
BIOS IC i found 3,3V only after press button few second.
I tried flash bios
Didnt find voltage of CPU, of DDR, ...
thx
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