First computer built trouble

The_Legend131 · Aug 20, 2014

Ok so I just assembled my first pc with hardly any difficulty
But when I turn it on, all the fans, front panel lights and hard drive come on, and stay on, but all that happens on screen is that the motherboard logo (gigabyte) flashes up, but then nothing else!?!

What could be the problem?

Btw I am using an APU, the athlon 5350, so no graphics card

Thanks in advance!

damric · Aug 20, 2014

I have a few ideas.

The_Legend131 · Aug 21, 2014

Athlon 5350
Gigabyte am1m-s2h motherboard socket FS1B
4GB 240 pin DIMM Ram (2x2GB)
ciT 500W power supply
Seagate 250GB hard drive sata 3.0 (6GB/s)

The_Legend131 · Aug 21, 2014

damric :

What are they?

damric · Aug 21, 2014

HDD might not be connected or set right in the BIOS. CPU heatsink might not be seated. PSU might be bad.

But first, try a CMOS clear.

coleisme · Aug 21, 2014

did you already install the os?

The_Legend131 · Aug 21, 2014

coleisme :

No I haven't as I can't get the Pc to POST to access the BIOS

The_Legend131 · Aug 21, 2014

I got a motherboard speaker, and that has a short beep once when the pc is turned on, indicating that the system has booted successfully, what could be the problem?

damric · Aug 21, 2014

Do this.

The_Legend131 · Aug 21, 2014

damric :

I'll try. Thank you. Could one of my components be DOA do you think. I am confident that I did not damage them with static.

The_Legend131 · Aug 21, 2014

If a component is damaged, what do think is the most likely piece to be damaged or not functioning?

damric · Aug 21, 2014

The_Legend131 :

Honestly I think an I/O device is not hooked up properly or is defective which is causing the BIOS to hang. After you breadboard it be sure to Clear CMOS.

The_Legend131 · Aug 22, 2014

damric :

The_Legend131 :

Honestly I think an I/O device is not hooked up properly or is defective which is causing the BIOS to hang. After you breadboard it be sure to Clear CMOS.

What is an I/O device? The monitor?

damric · Aug 22, 2014

The_Legend131 :

Input/Output. Monitor is output (unless it's a touchscreen then it's both). I'm talking about anything optional that gets plugged into the mobo. This is why I want you to strip it down, so you can eliminate possibilities.

The_Legend131 · Aug 22, 2014

Ok so I breadboarded,
I just has the CPU/APU, the HSF the PSU and the mobo
With this, the "no video detected" sign did not even go.
And repeating short beeps came from the mobo speaker.
I have gigabytes UEFI BIOS, what is the problem?

Thanks

damric · Aug 22, 2014

The_Legend131 :

Try one stick of RAM.

The_Legend131 · Aug 22, 2014

damric :

The_Legend131 :

Try one stick of RAM.

Ok I have. I tried both pieces of RAM, one at a time, and in each slot, but to no avail.
It beeped one, but still the screen remained blank, but this time the "no vide detected" sign did go away

damric · Aug 22, 2014

Did you clear CMOS yet?

The_Legend131 · Aug 22, 2014

damric :

No not yet. Do you think this could work?

The_Legend131 · Aug 22, 2014

At this point, what parts could be the ones causing the problem?

lordjakian · Aug 22, 2014

Do you know what it means to "Clear CMOS"? Clearing CMOS is done by pulling the CMOS Battery out for a few minutes, right? (CMOS Battery is the circular battery on the mobo)

The_Legend131 · Aug 22, 2014

lordjakian :

I am aware of that yes. But also I have just noticed something. When I turn the pc on, the HSF spins up for a second, before stopping for about 3 seconds, before starting again. Could this b the problem? And if so how can it be fixed?

lordjakian · Aug 22, 2014

The heat sink fan isn't the problem. You might not run gta 5 without it, but you could definitely post without it. Forget that as an issue. It is inconsequential at this point.

I would start completely over. It is amazing how this simple idea can fix a beginner issue. Make sure that when you screw in your motherboard to the case properly that there are not any shorts. that the back of the board doesn't contact with any spilled screws or to the case. After I install a motherboard i still shake the case just to make sure i hear any loose "things".

It should post with the psu, cpu, and a stick of ram plugged in to the mobo. Make sure everything is seated correctly, especially the ram.

damric · Aug 22, 2014

damric :

The_Legend131 · Aug 23, 2014

lordjakian :

The heat sink fan isn't the problem. You might not run gta 5 without it, but you could definitely post without it. Forget that as an issue. It is inconsequential at this point.

I would start completely over. It is amazing how this simple idea can fix a beginner issue. Make sure that when you screw in your motherboard to the case properly that there are not any shorts. that the back of the board doesn't contact with any spilled screws or to the case. After I install a motherboard i still shake the case just to make sure i hear any loose "things".

It should post with the psu, cpu, and a stick of ram plugged in to the mobo. Make sure everything is seated
correctly, especially the ram.

It does not. But on my monitor, which is a T.V., it says VGA/PC, and when I select this input, it says no pc connection. Could this be the only connection that the monitor supports for a pc? Is this the problem?

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