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New system, no display?


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#1 bigsenator

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Posted 19 February 2012 - 08:18 AM

Hey, i have a really irritating problem i have with my new system and was wondering if someone could please provide any information.

The problem is that i recently decided to build a new system so i bought all the parts separately and put them together. When i power it on i can see the CPU and PSU fan running and hear my HDD running but nothing is displayed on the monitor, not even the BIOS. Another thing is that my graphics card fan also does not spin at all.

The setup i am is using is:
Motherboard - Asus P8H61-MLE
CPU - Intel i3 2100 @ 3.1ghz
GPU - Gigabyte 1gb DDR3 GT 520
HDD - Western Digital 500gb SATA 3
PSU - Vantec 520w
RAM - 2 x 2gb Kingston DDR 3( got from a friend )
Also have a Creative Sound Blaster 5.1vx sound card installed

I have tried taking out the graphics card and trying to just run of the onboard graphics, switching the position of my ram sticks, taking everything out and setting it all up again but i have still gotten no where. So any help would be greatly appreciated.

Sorry if this thread is in the wrong section, i am new here.

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#2 rotor123

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Posted 19 February 2012 - 10:27 AM

Going with the built-in video for testing is a good first step.

Second thing to try is pull the motherboard and power supply and put them on a non metal surface and test there.

Try different power supply
Try different memory

Try one memory at a time being sure to follow the manual as to where to put the memory.

I tend to suspect the memory for two reasons.
1. It isn't new and could have been hit with static electricity
2. Asus motherboards can be picky about memory.

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#3 James Litten

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Posted 19 February 2012 - 04:42 PM

Also, (you probably checked this but I have to mention it just in case :) ) make sure that the monitor works when plugged into a computer that you know is working.

James

#4 bigsenator

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Posted 19 February 2012 - 08:33 PM

I recently tried putting my motherboard on a non-conductive surface and installing only the CPU & Heatsink, Graphics Card and a single stick of RAM.
I then plugged my monitor into my graphics, the power connectors into the motherboard and then plugged the PSU in.
I then turned on the system by shorting the power switch connector on my motherboard but there was still no response on my monitor unfortunately.

Yes i have tested my monitor on another working computer and it worked fine.

#5 bigsenator

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Posted 20 February 2012 - 05:08 AM

Well today i took my Motherboard, GPU, PSU, CPU and RAM too my friends house to test all the components separately on a known working system. I first tested the RAM in his system and both sticks worked fine. I then tested my GPU in his system and it ran fine as well. I then tested my setup with one of his Nvidia GT 250's instead of my GT 520 (which in theory should work fine with a 520w PSU right?) although still nothing came up. So i have come to the conclusion that it is the Motherboard that is faulty, does it sound like i would be correct in this assumption?

#6 James Litten

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Posted 20 February 2012 - 11:29 AM

Does the Vantec 520w psu have the all the proper plugs for that setup?

Is it plugged into the 4 pin ATX plug in addition to the 20 pin connector on the motherboard?

James

#7 bigsenator

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Posted 20 February 2012 - 06:20 PM

Yes it has more than enough connectors for my setup

I always make sure the 4-pin and the 20-pin are correctly connected

#8 bigsenator

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Posted 21 February 2012 - 12:02 AM

Well i took my motherboard back to the shop today and said it wasn't working at all and told him nothing was coming up on the monitory. He looked at the CPU socket and realized that a single pin was bent out of place, he then said that since it was physical damage that he had to send it back to Asus to get it repaired or get a socket and either way it was cost me $55 (which obviously sucked and would mean i would have to pay as well as have no system for quite a while). I then asked him if there was anything else i could try before that option, he said that he could just try to fix the pin himself, i agreed because it was free and i had nothing to lose and it would save me money and a lot of time if he pulled it off. He pulled out a knife and moved the bent pin upwards to the correct position and then put in my CPU, a stick of ram and plugged it all in. That seemed to work because everything ran as normal and i was needless to say very happy with how everything turned out.

Thanks a lot to everyone for helping me fix this problem.

#9 James Litten

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Posted 21 February 2012 - 12:28 AM

I had a repair like this that I did 15 years ago. I remember so well because it drove me to the brink of insanity :) as it took so long before I pulled the CPU and saw the bent pin because I was convinced that it would have given me a beep code if the CPU was the problem. The PC ran fine for years afterward and it was subsequently brought to me a couple more times to upgrade RAM and video.

I'm glad you found it.

#10 rotor123

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Posted 21 February 2012 - 10:33 AM

Hi, Just for the future,

The socket should have had a plastic cover on it when you bought it.
That cover is supposed to be put back if there is no CPU and you have to return the Motherboard for warranty.
You have to be careful putting the CPU in.
Intel has saved themselves some headaches by transferring the bent pin problem to the motherboard. That means no problem selling OEM CPUs, no problems in manufacturing and so on.

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#11 red_devil028

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Posted 22 February 2012 - 11:00 AM

IT seemed to me indeed the pins were bent OR 4pin wasn't put in... sadly they do not fall under warranty... these are tricky mainboards lately with those weak pins... i agree, whatyou do is you hold the CPU at the two ends where the openings are in the socket, make sure the tips of your fingers reach the mainboard before dropping the cpu on the socket gently, your CPU will fall straight and there is chance for every pin to absorb the new rest of the socket without bending...

To your now faulty mainboard only i can say is, take a tiny screwdriver, CAREFULLY put pin equal again with the others... boot mainboard up, Sell it or make a second pc, or keep as a backup.



Hope i could be of assistance
Current systems: CM STACKER Custom PC / MSI CX 620 / ACER Z5751 Touchscreen

Current role: PC Technician @ Computrac Belgium - Specialisation: Hardware.




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