Computer will not turn on after building

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zeroxshi

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Apr 10, 2013
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10,510
I just built a recycled computer from a emachine about 2 or 3 years old and took the parts from its older case which was very small and installed them all in a older hp case which was bigger and allowed me to install a larger GFX card. The only thing different here is the psu which was older than the original one but i had all the adapters for it motherboard fit in fine with all the standoffs and the giant GFX card fit in perfectly.

Only when i went to plug it in to see if it works i got no response. I think the problem was that I didnt install the button pins and stuff correctly which i have always had trouble with recycled machines. I can provide some pictures if that would be helpful!

I dont think this matters, but the PSU in the emachines case had fried while I was using the computer during a power surge. But it seems that that is the only part that is affected?

I could seriously use some help connecting all these pins to the motherboard. I tried them in different places and positions but the most i got were the LED's turning on even when the computer was shutoff. Or so I assumed.
 
Solution
Tom Tancredi
1. Burned out PSU would and can affect ALL components in the case, including the on off toggles to frying the Mobo and parts that they are not reliable.

2. Potentially the PSU is not powerful enough for the GPU (graphics card) and all the components. You would have to look up each single part (memory, HDD, mobo, etc.) and calculate the Watts used to determine the right PSU.

3. I believe your wasting time and will waste money at this point going further. Even if you paid for the cost of a new PSU, there may be issues with the Mobo, memory, CPU etc. Basically you would be trying to force old stuff to work when it is more cost effective to just get a cheap new PC at Walmart.com, like a i3 Core for $249, then add a more powerful PSU to...
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johnnyb105

johnnyb105

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Feb 18, 2013
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Maybe the power supply in the hp isn't enough to power on your transfer.. How do you know the rest of your system is good when the other power supply died? have you check them out in another system or what not? try unhooking hard drive, dvd drive and 1 stick of mem and see if it boots remove the vid card as well.
 
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Z

zeroxshi

Honorable
Apr 10, 2013
7
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10,510


I tried it with taking out the GFX card out and im trying with just 1 stick of ram now. I assumed the rest was fine because the hard drive was fine and LED lights came on when i plugged in the case to the MOBO when I was trying different ways of making it work.

Tried what you suggested. Same as before with no response.
 
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Tom Tancredi

Tom Tancredi

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May 9, 2013
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1. Burned out PSU would and can affect ALL components in the case, including the on off toggles to frying the Mobo and parts that they are not reliable.

2. Potentially the PSU is not powerful enough for the GPU (graphics card) and all the components. You would have to look up each single part (memory, HDD, mobo, etc.) and calculate the Watts used to determine the right PSU.

3. I believe your wasting time and will waste money at this point going further. Even if you paid for the cost of a new PSU, there may be issues with the Mobo, memory, CPU etc. Basically you would be trying to force old stuff to work when it is more cost effective to just get a cheap new PC at Walmart.com, like a i3 Core for $249, then add a more powerful PSU to support the new GPU and your done. You will save in costs, also the new PC is under warranty, provide around 8GB of RAM, 500GB of storage space, new Keybaord, Mouse, LCD screen and the newest SUPPORTED Windows for consumers.
 
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Solution
Z

zeroxshi

Honorable
Apr 10, 2013
7
0
10,510



Thanks, were prob going to do what your telling me. Going to walmart and picking up a cheap system to upgrade as i go.

Thanks to everyone who helped ^^
 
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