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Older computer not displaying

Jerochy
By Jerochy
in Troubleshooting
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Hey guys,

I picked up an older computer from my boss because it wasn't working for him, so I decide to try to toy around with it. The only thing it's missing is a hard drive, but it should still display and post without a hard drive I think. 

I plugged everything in and turned it on and it stayed on for maybe 1 second, turned off for a half second, and then turned back on again and stayed on. There is no display however. I tried only using 1 DIMM and I re-seated the graphics card as there is no on board graphics, and it's still doing the same thing. All the fans are spinning and everything looks alright. I think it may be the motherboard or the power supply as it sounds like it's just struggling to get voltage. 

If anyone has some advice as to how else I should try to see what works on this, please let me know. Thanks

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post-221139-0-75957300-1443188675.jpg

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Is there a model number on the PSU? Also is there a brand? /wattage? Specs would help. Looks like a HP or Dell

 

 

i7-6700k  Cooling: Deepcool Captain 240EX White GPU: GTX 1080Ti EVGA FTW3 Mobo: AsRock Z170 Extreme4 Case: Phanteks P400s TG Special Black/White PSU: EVGA 850w GQ Ram: 64GB (3200Mhz 16x4 Corsair Vengeance RGB) Storage 1x 1TB Seagate Barracuda 240GBSandisk SSDPlus, 480GB OCZ Trion 150, 1TB Crucial NVMe
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Is there a model number on the PSU? Also is there a brand? /wattage? Specs would help. Looks like a HP or Dell

Oh also, do any LEDs on the mobo stay on? See if you can find a motherboard manual or manual for the PC and see what the problem is.

 

 

i7-6700k  Cooling: Deepcool Captain 240EX White GPU: GTX 1080Ti EVGA FTW3 Mobo: AsRock Z170 Extreme4 Case: Phanteks P400s TG Special Black/White PSU: EVGA 850w GQ Ram: 64GB (3200Mhz 16x4 Corsair Vengeance RGB) Storage 1x 1TB Seagate Barracuda 240GBSandisk SSDPlus, 480GB OCZ Trion 150, 1TB Crucial NVMe
(Rest of Specs on Profile)

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Is there a model number on the PSU? Also is there a brand? /wattage? Specs would help. Looks like a HP or Dell

Yeah it's a dell computer. It has a 350w psu that most likely came with the computer. The one LED does stay on, but I think it's the capacitors just keeping it alive as when I use the switch and then turn it on, it turns off and then back on. If I just turn the computer off with the button and then don't flip the switch, when I turn it on, it doesn't turn off again.

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Do you have another graphics card you can try?

 

Is there a model number on the PSU? Also is there a brand? /wattage? Specs would help. Looks like a HP or Dell

Just remembered I had another PSU and it's doing the same exact thing which leads me to believe it's the motherboard. I don't have a graphics card that can run on a 350w PSU though, but it's a relatively new MSI lil graphics card so I don't think it would be that.

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