How To Test Power Supply If Working. If the fan starts up then it could be the motherboard thats dead. Connect its black negative probe to the power supplys output ground.
To check your phones internal speaker select Melody. You will hear loud music if your phones speakers are working fine. If the fan starts up then it could be the motherboard thats dead.
Dial 7353 on your phone to enter the diagnostic tool.
Connect the meters red positive probe to any positive power output. Turn the power supply on and observe the voltage on the meter. How to test your PSU to see if it is dead or alive. Here is the thermaltake power supply calculator.
