Question about Gateway Emachine Bestec ATX-250-12E PS 250w Replacement Power Supply Part Number P/N 100744 (PSATX25012E) Power Supply

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How do I check my bestec atx-250-12e power supply with volt meter

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It's hard to do with a volt meter. What you would be better off doing is either ordering a cheap power supply tester online, and test yourself with that, or take out the power supply and take it to your local pc repair shop and ask them to check it for you. There are 12V outputs, 5V outputs and 3.5V outputs, and any of them could be bad, so that is why I say using a voltmeter is harder than using an actual power supply tester.
Let me know if this solves your problem.

Posted on May 01, 2010

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1 Answer

Computer has bestec atx-300-12e power supply. it


Actually no, the power does continually comes in but, when stopped, the PS is in a state that could be assimilated to stand-by - only a small side circuit is continually operational.

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1 Answer

Bad power supply?


Do yo have a volt meter or an atx psu tester?
you can check voltage to see

If a power supply is bad, your pc will turn off or/and turn on and turn off. As long as your system is running without and shut downs your good.

However if your pc is turing off, I would change it as soon as you can. basically what is happening, when you unplug everything there isn't much of a draw on power so the light remains steady, but when you plug devices in there is a draw and the PSU cannot deliver.

I hope this helps.

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The PSU bestec atx-250-12e is dead, there is an easy fix for it


Hi,
You can find the same psu at ebay with free shipping.

http://itemlistings.ebay.com/sdcsrp?fl=360131455504&product=bestec+atx-250-12e&sconstraints=PriceMin.Value%3D23.00%26PriceMax.Value%3D45.59

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No power


change the fuse inide the power supply.it may be broken

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I have already replaced mant Bestec ATX-250-12E power supplies because they have an internal failure. Consider yourself lucky if the thing doesn't power up your computer because it has a problem of imposing the +12 volt line onto the +5 Volt line then blowing out the mother board. Sometimes you aren't so lucky because once the damage is done then it is to late to just simply replace that piece of junk. I was lucky with my daughters E-Machine because if she tried pressing the start switch on the front of her computer it would sometimes come on and sometimes not. She just mentioned this to me and I immediately replaced that Bostec ATX-250-12E before it could do any damage to her computer. If anyone has an older E-Machine or an older Gateway machine then it would be a good idea to see if it uses that Bostec-ATX-250- 12E. If it does then go order another power supply, anything but a Bostec, and instead of a 250 watt order a 300 watt or better. I hope that this has helped those that might have this problem before it destroyes *********** boards. Marty

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1 Answer

Upgrade for Bestec ATX-1956D (HP p/n: 0950-4106)


How about the LC Power LC350M Micro ATX - 380 Watt

or the 

Logisys 350W Micro ATX

They should fit your form factor and output as much as 350W being relatively cheap, but neither gets 18 amps on 12V rail...
I think no power supply of that size has an output like that...think about a cheap but substancial chassis upgrade if you need that power...Have a look at directron for the PSUs.

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Upgrade for Bestec ATX 300 12E


Hipro- HP-P3527F3W
is the replacement for Bestec 300W

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1 Answer

Bestec power supply


first check for a fuse just after the line input - replace if blown - check your voltage options a plug you set for 240 or 120 volt operation.

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