Solve : power on a Dell inspiron 545?

1.	Solve : power on a Dell inspiron 545?
Answer» I have replaced the power switch in a Dell inspiron 545 and it still won't power up. The FAN turns in the power SUPPLY but it just WONT kick on. Could it be the mother board connection?Dells usually have diagnostic LEDs on the inside. Are there any lit on the MAIN board. Also have you reseated the memory. What lead to the failure btw? Was replacing this power switch because it was flakey before replacement, and now its completely dead?

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