Why Does My PC Crash? Reason 4 of 7

by cbschulstad

Not enough power

It’s always fun to cram more powerful components inside your PC, and of course overclocking your CPU will yield performance dividends. But you can only upgrade so far before you begin running low on juice. Your PC will become unstable and unexpectedly restart if you put too much strain on your power supply.

There’s no easy way to determine which components are drawing the most power, but your component manufacturers’ websites might list power consumption specs online. From there, you can calculate your approximate total power consumption, and compare it to the output of your power supply.

More PowerA 650-watt power supply should be adequate for most systems.

If you determine your power supply can’t handle the load of all your components, you have to make some difficult decisions. If you overclocked your CPU, you can return the processor to its original state. Otherwise, you can replace your power-hungry components for less needy ones, or follow the most sensible path and simply upgrade your power supply. A 500- to 650-watt power supply should be able to properly power an average performance PC.

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