hello,
I have a samsung laptop NP300E7A, after pushing the power button, nothing in screen and the fan spin full speed.
the issue started since putting admin and user password in the bios,
and also the cpu core was missing. I thought the bios was corrupted.
all power rails are good except the cpu core 0V, no short to ground in motherboard, the mosfets around the cpu IC showed 8 ohms to ground, but are good(tested outside motherboard with diode mode).
Before changing the CPU IC isl95831, i would like you to comment if there are other things to test
here are the voltages noted on the cpu IC. and diagram for scala3 14crv(i don't find a diagram for my laptop scala3-17 rev 1.3 BA41-01750A hst).
Thanks,
I have a samsung laptop NP300E7A, after pushing the power button, nothing in screen and the fan spin full speed.
the issue started since putting admin and user password in the bios,
and also the cpu core was missing. I thought the bios was corrupted.
all power rails are good except the cpu core 0V, no short to ground in motherboard, the mosfets around the cpu IC showed 8 ohms to ground, but are good(tested outside motherboard with diode mode).
Before changing the CPU IC isl95831, i would like you to comment if there are other things to test
here are the voltages noted on the cpu IC. and diagram for scala3 14crv(i don't find a diagram for my laptop scala3-17 rev 1.3 BA41-01750A hst).
Thanks,
Comment