my toshiba satellite laptop c55dt-a5303 will not turn on. replaced adaptor and still no lights no power.

[Kris_10]

I tried troubleshooting per toshiba's guidelines, replaced power source, and still won't turn on and no indication lights

 

[Phillip Corcoran]

It will have to be looked at by a laptop repair technician.

It's difficult to diagnose the cause of a "dead" laptop on a forum, especially since you already tried a new power supply.