packard bell

Open the PowerSupply..have a look at the Capasitors and Resistors to c if they all in working order. I had the same Problem with my PC shutting down...1 of the resistors blew.

Unless you're a tech and know what you're doing do not open your power supply, you can wind up with one hell of a shock, if not dead. One of two things is going on. Either your system is overheating and the processor is shutting it down or your power supply is going bad. To see if its a heat issue run it without the cover on with a fan blowing at it. If it doesn't shut down in 45 minutes it's a heat issue. If it does either get a new power supply or a new case and power supply, whcih ever you prefer. Good luck.

Since PB has been gone for several years (meaning it's an older system) and you said the powersupply was very dirty, I feel pretty confident saying that the powersupply is giving up the ghost. You can get a new one relatively inexpensively. Swap it out and it should fix you right up.

Good luck...hope this helps!

I agree with Answer #3. If the power supply has never been changed in the system it is just that your power supply is about to die on you. I have had power supplies do exactly what yours is doing. I changed out the power supply and had no more problems.

thanks a lot everybody it was the 45 minute thing throwing me off. I dont suppose I can just get an atx power supply , or would it have to be one that fits that model of packard bell

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