Question Sony Vaio PCG 71811W switch on light flashes and turns off

Jul 11, 2020
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My Sony Vaio laptop PCG 71811W doesn't turn on. When I press the power button, the light of num lock, caps lock and scrl lock turns on for a fraction of second then turns off. I tried removing battery and only using power cable, same happened. I tried removing battery and and power cable and pressing the power button for 50 seconds, but no avail. I tried connecting my usb hub with it,and its light went on for the same time the lock light. Meaning the laptop is turning off the moment it switches on. Is there anything I can try to fix before going to the repair shop
 
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