My Satellite A300 turns off spontaneously

Hello,
Somtimes my laptop (Toshiba Satellite A300) sunddenly spontaneously turned off. Very often it happend during system startup. Everything it happend when my laptop work only on power supply. When my laptop work only on battery (without power supply) everything is ok.
1) Does it mean that i should change the power supply?
2) I use surge protector but my power socket is without graunded. Is it possible that power socket without graunded broke the power supply?
3) Should i use power socket only with graunded?
I live in Poland if there is any help.
I will be gratefull for answers.

Hi Reda,
from my point of few it’s difficult to say what could cause this annoying issue.
But I think you should check the notebook functionality using another good working AC adaptor.
It’s not impossible that a faulty AC adaptor would cause the problems.
At the other hand the issue might be caused due to power supply electronic issues.
Power supply electronic is part of the motherboard and such issue would be the worst case.
Additionally you can check whether different power plant would be selected after connecting the AC adaptor. In such case switch it to the power plan which is selected using the battery power.

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