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Bestec ATX-250-12Z Rev.C Green LD starts to blink

I have a ATX-250-12Z Rev.C on my computer. As soon as I connect the power cable the green LED starts to blink. I'm not able to start the computer.Is there some internal supervision in the PSU that starts the LED to blink? The computer is a Compaq Presario 8000.
Mats in Sweden.

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  • 206 Answers

Most computer testing facilities will test your current power supply for free. A replacement is very inexpensive to replace. Bestbuy, MicroCenter, small computer shops and buy replacement from Amazon.com, newegg.com.. Just make sure you have the correct information for your replacement. The model number on the power supply would be your best bet in most cases. Good luck and have a great day. I buy power supplies as low as $15 dollars Generic

If you need further help, I’m available over the phone at https://www.6ya.com/expert/william_02fc2766c1e13b73

Posted on May 13, 2014

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Posted on Jan 02, 2017

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SOURCE: Bestec atx-250-12z rev d hp model 5187-1098

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

Posted on Jun 14, 2009

  • 40 Answers

SOURCE: the pc wont power up and the green led on the PSU

Most likely yes.

I would also reccomend an upgrade to that PSU when replacing it.

Something in the 450-Watt neighborhood is usually a bit more robust.

Posted on Oct 16, 2009

tbirdfan1
  • 3051 Answers

SOURCE: I have a burned out Bestec ATX-250-12z power supply

Hello there:
That is a pretty good choice for a replacement you just have to make sure that it will fit exactly like the old one did and that the cables are exact and have the same hookups as the old ones do ok but you should be fine from there ok
Hope this is very helpful for you
Best regards michael

Posted on Jan 10, 2010

  • 453 Answers

SOURCE: Bestec ATX-250-12Z when power lead plugged into

Hi;
you should check the capacitor in the secondry side of the power supply,

Posted on Oct 30, 2010

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My computer will not turn on we had a power cut and the computer was running at the time power didnt come back till morning now and there is a blinking green light that use to be a solid green light


The power supply is very inexpensive and can most likely be bought from any of your computer retailers, Amazon - Just make sure to confirm the right model type of power supply. BEST to have it tested before replacing it. To make sure that is the issue.. Many computer shops will test for free.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/william_02fc2766c1e13b73

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Most computer testing facilities will test your current power supply for free. A replacement is very inexpensive to replace. Bestbuy, MicroCenter, small computer shops and buy replacemnent from Amazon.com, newegg.com.. Just make sure you have the correct information for your replacement. The model number on the power supply would be your best bet in most cases. Good luck and have a great day. I buy power supplies as low as $15 dollars Generic

If you need further help, I’m available over the phone at https://www.6ya.com/expert/william_02fc2766c1e13b73

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My power supply is blinking green light and my PC has no power


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Most computer testing facilities will test your current power supply for free. A replacement is very inexpensive to replace. Bestbuy, MicroCenter, small computer shops and buy replacemnent from Amazon.com, newegg.com.. Just make sure you have the correct information for your replacement. The model number on the power supply would be your best bet in most cases. Good luck and have a great day. I buy power supplies as low as $15 dollars Generic

If you need further help, I’m available over the phone at https://www.6ya.com/expert/william_02fc2766c1e13b73

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Most likely yes.

I would also reccomend an upgrade to that PSU when replacing it.

Something in the 450-Watt neighborhood is usually a bit more robust.

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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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