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Not Enough Power From power Supply???

By lazybedstar23 ·
Hello,

How are you? I am having an interesting problem here and I am hoping someone can help me out. Well let me tell you what the problem is. When ever I am on the internet or just using my PC, my Wireless Network card just loses IP out of the blue, sometimes along with that my mouse will stop!!! Then a simple reboot will fix it. I also notice my network connection to be slow at times, sometimes also i cannot burn a CD.

I think it is the power supply that Dell gave! They only gave me a 250W power supply! Here is my stats:

Dell Dimension P4 3.0Ghz (hyperthreading)
512 MB DDR RAM
ATI ALL IN WONDER 9000 (64MB Card)
SB Audigy 2 Sound Card
Linksys Wireless G PCI Card
DVD+RW Drive
DVD-ROM Drive
2 80 GB Hard Drives

And in the USB ports I have a UPS and webcam running.

Do you thin kthis is an overload to the Power supply? Also would not supplying enough power cause any damage to my components?

Or does anyone have any other ideas?

Thanks,
Adam

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by TheChas In reply to Not Enough Power From pow ...

If as I suspect, you added hardware to this PC after you got it from Dell, then yes it is VERY possible that you need a larger power supply.

With your hardware list:
64MB video
2 DVD drives
2 hard drives
I would want at least a 400 Watt supply.

Don't blame Dell. They provided enough power supply for the system as originally configured.

I don't know if this is still true, but Dell used to use customized power supplies.

Another thing to consider, is additional cooling.
I would add at least 1 case fan that blows air into the case.
If possible, you might even want a slot fan between the Wireless LAN card and the video card.

Chas

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by TheChas In reply to

The most damage is being done to the power supply itself.

Some of the parts in the power supply will overheat if you draw too much power from it.

The greatest risk to your components is a catastrophic power supply failure.
Sometimes when a power supply fails, it sends high voltage to the components and motherboard.

Chas

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by lazybedstar23 In reply to Not Enough Power From pow ...

Do you think this is damaging my hardware?

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by dmiles In reply to Not Enough Power From pow ...

This P3 with a 250W PS does not have the power to support the components you have listed,you should at least be running a 350W PS

Before failing due to lack of power the system components will give warning.

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by josh.asher In reply to Not Enough Power From pow ...

Keep in mind also that with PC power supplies, a watt is not a watt is not a watt.

Cheap 400W supplies produce most of their power on the 12v rail, which is only used to power fans and drives. The critical components (CPU, motherboad, PCI/AGP cards) use the low voltage rails, (3.3v and 5v).

Its more expensive to generate power at these lower voltages as power transistors get exponentially costlier the higher current you go. And since Power=Voltage*Amperage, 100W @ 12v is a lot easier to generate than 100W @ 5v.

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by lazybedstar23 In reply to Not Enough Power From pow ...

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