Question about System Power Supplies

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SR1010V wont power up

My moms electric went out last week and when it came back on, her pc wont boot up. the power light blinks rapidly but nothing happens when you hit the power button. i am wonderign if there is a reset button or an easy fix before i take it in to the repair shop. i have worked on pc's before so can do "some" stuff but haven't a clue on this one...
thanks,
jag

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Have you already tried pulling the AC plug for an hour or two? Power failures may leave some bits and pieces of software kind of laying around and interfering with the boot sequence.
Check to see if the fan is turning (and staying) on when you plug back in and try to power up. If not, then a replacement supply may be due.
I'm pasting a note I just pasted elsewhere about this.

"Since there have been some changes in available outputs and connectors even on ATX supplies, make sure you compare pictures of the supply to your own but in any case, I would recommend using a replacment rated at 350W as this will run more conservatively and not be as stressed as the 250 you now have. It won't cost a lot more and will not consume any more power but the critical components will run cooler.
 
Not as a recommendation, just a current example on eBay:
 
http://cgi.ebay.com/Mustang-Switching-Power-Supply-350W-Model-LC-B350ATX_W0QQitemZ250294363195QQcmdZViewItem?hash=item250294363195&_trkparms=72:1156|39:1|66:2|65:12|240:1318&_trksid=p3286.c0.m14
  The last couple I bought were $5 each with $7 shipping charge from a US source."     

Posted on Sep 19, 2008

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2 Answers

Dell 4400 Main power in house went off while using my computer and then went back on about an hour later. Now when I try and restart the PC, the power button light turns yellow like it is in sleep mode...


The power supply or mother board probably went out. Did any other items in the house stop working? This happened to me years ago and the electric company reimbursed me for damages.
You can try unplugging the power cord for a few minutes, then retry listen for any beeps from the computer. If it is powering on but nothing on the screen and no beeps *********** board is probably toast.

Dec 10, 2010 | Dell Dimension 4400 Power Supply ** FREE...

1 Answer

My gateway desktop PRB 510S, if I turn it off and unplug it or electricity goes off, the computer wont start back again. Wont do anything. No lights no fan, nothing. Then 5 to 10 minutes after I turn it on...


Try connecting a different power supply to it. If the same situation repeats, then it's an internal (motherboard) problem. If the problems go away, then the power supply needs to be replaced.

6 years... I'm surprised the PSU even lasted that long! The power supply is the cheapest part of the PC and usually one of the first parts to fail. Don't worry, a replacement power supply is not too expensive. Good luck!

Dec 02, 2009 | Gateway Emachine Bestec ATX-250-12E PS...

1 Answer

Aspire 7520 will not power up ,the power light is blincking rapidly


A few things to try. Take out the battery and only hook up the ac adapter, if that doesn't work, then go ahead and try another known good working ac adapter cause it could be its not getting all the right voltages since the power light is blinking rapidly.

If those things don't work. Go ahead and take out the memory and resesat the memory one stick at a time in each slot one at a time turning on the laptop after each stick reinsertion to see if the video comes back. Could be that a memory stick is bad or a slot is bad.

Also if you have another known good working memory stick then try it in each slot as well just to make sure that both wouldn't have gone bad on you.

The last two things to try would be taking out the hard drive and also taking out the dvd drive. After each of all the steps im telling you to try make sure the power is off and then turn it on with each step.

At that point if you still can't get video then the motherboard is bad and would need to be replaced.




Jul 05, 2009 | Acer System Power Supplies

1 Answer

Power supply problem


The blinking amber on a Dell usually means 1 of 2 things. Either it is a video card which has either come unseated, or went bad [most likely in your described case] or bad or unseated RAM. If reseating your video card does not fix problem then it will need to be replaced. Hope this helps & please rate my solution fixya. Thanks.

Feb 04, 2009 | Dell - NPS-200PB-73M (NPS200PB73M) Power...

1 Answer

System is not workin properly


You might try this. Shut down the computer, disconnect power cords, disconnect everything at the back of the computer, mouse, key board, etc. Open the case, ground yourself by touching an unpainted area of the case and remove the power connectors to ALL optic drives and floppy drive if you have one. (Of course do not disconnect the hdd.)
Reconnect mouse, keyboard, etc., and power cords to wall outlet.
See if it will post now. If it does I say you have a faulty power supply.
I was given a computer which was doa. It would not post, after I tried the above routine it posted then booted to windows.
I replaced the psu and now the computer works fine.
Hope this helps!

Blunderbuster

Feb 02, 2009 | System Power Supplies

2 Answers

Dell Dimension power problem


There are several different solutions for this as posted at this Forum.

http://www.tomshardware.com/forum/51352-2-dell-dimension-8400-wont-boot

1) A lot of people have just removed the Jumper for the CMOS and turned the Power back on and back off and replaced the jumper and/or removed the battery.

2) Several people have reseated the Memory and after booting back up it worked.

3) A few had to replace the Mother Board and CPU but in this instance they had to also replace the Case because the Dell case wasn't really fit for the heat of from the CPU.

4) I had the exact same problem and luckily replacing the Power Supply fixed this for me. I had to cut out the back of the Dell case for the toggle on/off switch but when I tested the old Power Supply it was only getting 5amps and this was causing the Amber/Orange/Yellow light to constantly flash.

I hope this helps!

Jan 20, 2009 | Dell Dimension 8400 power supply ** FREE...

3 Answers

Have a yellow amber light blinking


A Blinking Amber or Yellow power button means that the power supply is receiving power from the source but is unable to properly distribute it to the components. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.


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Dec 25, 2008 | Dell Dimension 8400 power supply ** FREE...

1 Answer

I have a media center cpm 1180n desktop, the green light on back of PS is blinking and when I disconnect the mobo is steady green however when I connect the mobo back to my MB and press the start bottom...


yes it sounds like the power supply is shot, you can get a replacement at any computer shop for around $40. i would put in a 400w or 450w that way if you add another hard drive or opitcal drive it wont be a strain on the new power supply

Nov 30, 2008 | System Power Supplies

16 Answers

Flashing Green Light on Power BESTEC Power Supply


This is an easy fix so here you go nice and simple:

Problem: Your motherboard circuit has been cut.

Causes: Power disconnected during operation. Power outage or short in the surge protector.

Symptoms: Flashing green light on both motherboard and power supply. System will not power on.

Solution:

Step 1: Ensure that both the power supply and the motherboard lights are flashing green, not solid or off.
Step 2: While the power is on, disconnect the power supply from the motherboard. This connection is the largest of the connections and should be listed as the 'P1' or 'Primary' power connection.

Step 3: Wait until the green light on the motherboard stops flashing and check to ensure that the green light on the power supply is now solid. If it is not solid, disconnect the power to the power supply and wait until the light turns off completely. Then reconnect, it should be solid now.

Step 4: While the power is on, reconnect the P1 connection to the motherboard and you should now see that the light on the motherboard is solid.

Step 5: Power on your PC. The problem should not persist.

Warnings: If the power supply light remains flashing after you have restored power to it while it is disconnected from the motherboard, it may be a system failure in the power supply itself requiring replacement. Always be careful when working with an active or live power machine.

I hope this helped! Good luck!

Jun 23, 2008 | Bestec (ATX-250-12E) 250-Watt Power Supply

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