Question about HP Media Center m7250n (ED842AA) PC Desktop

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Power supply so i need a new power supply for my m7250n pc now the old power supply is 300w can i buy one that is over 300w and would it still work also would it be a good idea to get new case for it too

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Yes you can buy a power supply that is over 300w and it will still work. No reason to get a new case. Just make sur you get the right ATX power supply. They come in 20 and 24 pin with power for the cpu. Any good retail computer store technician should be able to help you. Here is the part number for replaceing it with an HP Power supply 5188-0129. Hope this helps

Posted on Jan 14, 2008

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Yes, It is a GOOD IDEA to get a bigger wattage PSU in case that you want to add extras to your HP. No you do not need a new case unless it is beat up, or you just do not like it anymore....

Posted on Jan 14, 2008

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Atx 300w p4


Is it worth it? a new PSU shouldn't cost you more than 20 euro/ $ whatever part of the world you are in. Unless it has the old 3.3V conectors as well (which would be surprising) in which case find an old 2nd hand one.
If it is making a lot of noise it is probably failing due to dust and/or overheating and the rest of the PSU can't be in great condition either. Sometimes the non-eviromentally friendly option is the best one if you leave the old PSU for recycling , more so.
Good luck.

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2 Answers

How much does it cost to replace a 300 watt power supply for gm5094e desktop computer


20-60 Dollars
A great site to buy from is HERE
NOTE: all these power supplies will work for your computer, you may want to pay attention to the dimensions though

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HP m7250n shuts down unexpectedly.


your power supply is faulty you will need to replace it. If you recently installed a new hardware it could be you don't have enough power to, either upgrade you power supply or remove the hardware.

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2 Answers

Dont know how to find the watt usage of the motherboard ?


There are many power supply calculators out there. As long as you know what the components are on your computer, you should be able to find max power usage by inputting all the components. Google search terms:
power supply calculator.

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Dell Optiplex GX280 Video Card Install Problem


You hit that one right on the dot.  ATI website showed the specs for that graphics card you installed as needing a 300 Watt power supply.  Good news though... I researched newegg.com and I believe I found your 300W power supply.  There are 4 different Optiplex gx280 designs with 4 completely different power supplies.  Since you bought the low-profile video card, I believe you have the slim computer case and this power supply should work for you...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817374002

Good Luck

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What power supply should I buy for a gt4022


The computer has a 300W powersupply from factory, I would buy a 400W powersuplly for it, depending what components it has inside, if the video card is upgraded to a new one 300W won't be enought, and in that case even 500W might be a good choise. if its with the original parts from the factory it should do fine with either 300W or 400W. ATX here are powersupplies: http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=40000058&Description=400W%20ATX%20power%20supply&name=Power%20Supplies note that if the link isn't clickable then select it completely, copy and then paste it to your addressline to open the page.

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1 Answer

HP Media Center PC m7250n will not power up


hold the start button in and check the back of the case to see if the power supply fan turns while the power button is depressed. If it turns while the button is pushed, but then stops when you let off the button, then the power supply is probably bad and needs replacing.

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1 Answer

No power on the pc


Hello, you can find them on ebay, If you get a new one and it does not work, the moterboard could be bad. 2 things, the power box or the motherboard.

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1 Answer

From 300w psu i change it to 450w will that be ok?


Ivy My field is in home appliances. I do fix my own computers and have replaced a few power supplys. The only thing I could say to you is go back and recheck your connections. They should only fit on the bord one way. The other connections for the hard drive and cd drives and so on really dont matter. so good luck and I think if you recheck it all the computer will work.

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May 28, 2018 | The Computers & Internet

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