PC does not start: You PC does not start and you notice following symptoms
I: Some time computer starts (boot) and sometime it does not starts
II: Other time nothing happens and computer hangs at POST phase.
III: You see Blue Screen (BSOD) errors occasionally with various STOP error messages.
IV: Computer suddenly gets shutdown or restarts.
All these issue indicates problems with the power supply (SMPS), take sometime and replace the SMPS. The SMPS would cost between 10$-15$.
- If you want to install new SMPS yourself than get a screw driver set if yo don't have one, it cost nearly 4$.