lenovo thinkpad w520 no display
Posted: Sat May 11, 2019 1:18 pm
MOTHERBOARD PART NO.
H0222-5
LKN-3 WS MB
48.4KE37.051
PROBLEM- complete working on battery but when i remove battery and on with adapter
it will restart within 3 second and no display
i changed bq24742 and tps 51220a
but same problem ...i have no schematics
H0222-5
LKN-3 WS MB
48.4KE37.051
PROBLEM- complete working on battery but when i remove battery and on with adapter
it will restart within 3 second and no display
i changed bq24742 and tps 51220a
but same problem ...i have no schematics