Solved! I have a HP G4 240 I tried to on it but it didn't work.

[randomlywonder]

Tried to on it multiple times and holding the on button for 30 seconds (without the battery and charger) It doesn't blink or warm up. Please find a solution because I am beginning to lose hope on it! I also buyed a new AC Adapter and a new charger but that still didn't work. It doesn't turn on and I don't know if its charging or not because light doesn't work and I really need a solution!

 

[webworkings]

I suggest you take it to a local tech who can run tests on it to seek out the cause. Unless it is under warranty, then I would contact the manufacturer.