Question about Dell Dimension 2350 PC Desktop

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When i go to push the power supply the computer will not turn on

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If it has been working and now does not turn on and all of your power connections are good to the computer, your power supply is probably bad. If you are handy and can document all of the connections from the power supply to the board and drives, it is pretty easy to remove the old supply and put a new one in. A new supply will cost about $50.00. Installed probably closer to $100.00. You may want to check around for pricing.

Good Luck

Posted on Feb 02, 2010

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Posted on Jan 02, 2017

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I have a Compaq Presario R3000 with Windows XP OS. Until recently it had been working fine. Suddenly, the power went off while still connected to the AC Supply and the Laptop just went off. The battery...


1. Remove battery from the laptop. 2. Unplug the power cord from the computer. 3. Let the computer sit for a few min. 4. Leave battery out. 5. Connect power adapter to computer 6. Push power button to turn computer on. 7. If computer powers on shut down again, and put battery back in. 8. Push power button to turn computer back on (at this point battery and power adapter should be connected to the computer)
If computer powers on with power adapter with the battery out. You are having a battery issue. You would want to look into replacing the battery. If computer does not power on with just the power adapter. You are most likely having a power issue. Depending on how old the laptop is. You will either want to contact the manufacturer. Or take the computer to a computer repair shop, or consider replacing the laptop.

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More than likely yes. It isn't good practice to cut power to your PC every night. Although I understand that you are most likely doing this for energy savings, it isn't necessary and isn't good for your PC.

A replacement power supply for your computer, according to its spec sheet, must be at least 350W. Power supplies are variable in quality, you get what you pay for.

I recommend a Corsair CMPSU-430CX because I've personally had good experience with their products, and this power supply is relatively inexpensive and meets your requirements.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139017

How to replace a power supply:
http://www.hardwaresecrets.com/article/362

If you do not feel comfortable with replacing it yourself, there are numerous services that will replace it for you, just make sure they don't replace you power supply with a low quality one.

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If this is in a computer and the computer does nothing at all when you push the power button you might want to check the power supply. This can be manually done on an ATX power supply both 20 and 24 pin connections. First you remove the main system power cable from the mother board " big rectangle one " and locate the green wire. After you have found it use a paper clip bent in a U and touch the green wire and ANY black wire " all blacks are ground " This will turn on a power supply if its good. If your power supply fails to start i would look into buying a new one.

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first of all what kind of computer is i mean brand? secondly sounds like the power supply went bad..

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see ur ups is getting dead
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try to on it after sometimes keeping the switch on

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It is possible that you have a bad power supply, if you have another computer that you can switch the power supply to test it, or you can go to your computer store and get a power supply tester. I would first try to make sure that the power supply is working properly.

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They all do, I believe, I installed a new one, into my computer system not long ago, are you sure your power supply is one that the computer can handle? You shouldn't have that much of a problem - I wouldn't go pulling apart the wires on the power supply, its made like that for a reason, what you could try is see if your power supply has seated properly, sometimes if your not working on a flat surface the power supply plug won't go in properly and will not be pushed in all of the way, try laying your computer on its side, and pushing in the plug also, each motherboard has a certain amount of plugs for example 20 and 24, some motherboards want it to be a 20 power plug and others want it to be 24 power plug, thats the plug thats connected to your motherboard, that I'm talking about. make sure you have the right number, and that the motherboard plug and the power supply plug match, basically have the same number of connectors, (I mean that little white plug at the end of the red,yellow,black, wires, I hope this helps. ps- I really had to push on the white plug to get my seated properly

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Sound like 'classic' failing capacitor symptoms to me... RMA the power supply if you're able to, start scraping together some cash for either a rebuild (replace capacitors) if you can't OR purchase a NEW PSU

Once you get the system running... I would recommend you leave it turned on 24/7 as this will keep the failing capacitors at a static temperature (instead of the heating/cooling cycle) thus milking the last bit off life out of it while you secure a replacement unit.

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Best way to check is to open your case. Near the power supply plug to the motherboard should be a little led light. If it is getting power to the board this light should be green. If it's unlit then most likely your power supply has gone bad. Hope this helps.

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Unplug computer, disconnect all usb/monitor/internet, open it, hold power button until green led on the inside on the motherboard turns off, pop out the BIOS battery (looks like a big watch battery and use a small flathead screwdriver to depress the spring lock on one side), plug in computer, hold power button for about 20 seconds (must reset BIOS or something), let up on power button, wait 10 seconds and push power button. The computer should turn on. Wait for it until activity seems stable (1 min. or so). Push powerbutton to shut off.

If this has worked you have proven that it's not the power supply (it turned on).

Go buy a new battery (CR2032 3 volt). Unplug computer, open it, hold power button until green led on the inside on the motherboard turns off, pop in new battery, plug in (you should notice the power button blinking amber again), hold power button until it stops blinking (about 20 sec....again must reset BIOS or something), wait 10 sec., push power button. the computer should turn on. Wait for it until activity seems stabe (1 min. or so). Push powerbutton to shut off.

Now, close case, plug in all usb/monitor/internet/etc. Power up computer. You'll get an internal floppy drive error. Push F2 (maybe F1) to get into the BIOS settings and go to "drives" and turn off the internal floppy. Save and exit. The computer should boot properly now.

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