Check if fan on power supply is working, some work when turn on. No lights coming on indicates possible power supply or motherboard failure.

Motherboard replaced, bad connection to Lcd. Check the connection from Lcd before you replace motherboard. System up running great. Replacing motherboard on this laptop was easy using tutorials...

Update on original post, Laptop trys to boot-up then stops. LCD display screen black, external monitor shows screen while XP is booting up on battery only. Tested power supply adapter shows correct...

Satellite 1135-s1554 laptop will not boot up from battery or power supply. The first time the error came up was in Sept. 06, since then it has been operating great. The first signs of trouble was the...