Having problems with your Sony VAIO VGN-SZ220/B Notebook ?

Laptop won't power on after pluggin wrong power

\015 I have a Sony SZ220 Laptop and it won't power on after pluggin wrong power supply, I replaced the motherboard and I see power light turn on but it will not power on.\015

Answers :

Make sure the RAM and hard drive are seated fully. The best way to do this is to remove it, and re-install it. It is possible that you've blown the LCD's CCFL inverter, but I think it's pretty unlikely. I think the motherboard's protection would have blown first, but since the power LED doesn't come on, I'd have to go with the RAM or the Hard Drive not being seated.
The screen is proberley blown!
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