Stuck in boot loop, no signal to monitor. Need help!

Justsome1 · Jul 2, 2014

So, I have built a comptuter from the following parts:

Gigabyte GA-990XA-UD3 (brand new)
Ati radeon HD 4870 (~5years old)
AMD FX 8350 (new)
Kingston HyperX 1600MHz 2x 4Gb (new)
Corsair CX750M 750W PSU (new)

As you can see, all of the components are new (excluding the GPU). The HDD is old as well but I doubt that's at fault here. The problem arises when powering up: firstly there's no signal to the monitor. Second problem comes up after a while when the system restarts itself in a similar matter as pressing the reset button. This continues until the power is turned off.

I have tried switching the RAM sticks' position on the MOBO and switching the GPU between PCI x8 and X16 ports. I am at my wits end currently and could use some expertise on the matter.

Thank you in advance.

vagrancyx · Jul 2, 2014

Does the motherboard produce any beeps at all? I've noticed a lot of these endless boot loop cycles being related to the memory as being the problem. Simply checking/redoing all the connections and re-seat all the equipment seems to help sometimes too. Perhaps try booting with just 1 4GB stick of RAM. Alternatively, have you messed ar ound with the clock settings of the RAM in the bios or anything else for that matter?

Supermon221 · Jul 2, 2014

If you don't hear that beep from my experience it's a problem just take everything apart agian and re do everything but take your time

Adroid · Jul 2, 2014

I would try to boot with just 1 stick of RAM, if it doesn't work, boot with the other 1 stick of RAM. Make sure the RAM is in the right slot. Do you have supplemental power connectors running to the GPU as required?

Do you have a motherboard BIOS speaker such as this one?

http://www.amazon.com/APEVIA-Case-Speaker/dp/B00BBJDNCG/ref=sr_1_2?ie=UTF8&qid=1404305683&sr=8-2&keywords=motherboard+speaker

Are you getting a single beep or multiple beeps?

Justsome1 · Jul 2, 2014

Unfortuntely the motherboard doesn't have an innate speaker to hear the beeps. I have tried reseating everything and currently only have the essential components connected (CPU fan, GPU). I can't get to BIOS or get anything to post on the monitor. Have also tried to boot with 1 RAM stick but I don't think that's even supposed work since the sticks are modular and meant o be together. I even tried booting it outside of the case to rule out short circuit from the case.

vagrancyx · Jul 3, 2014

Hmm.. I'd suggest reaching out to Gigabyte. If you just purchased the board you might just want to return it for a replacement if you're within the time window.

One thing that's nice to have, and some boards even come with them and other parts have spare motherboard internal speaker connectors that you can connect it yourself (assuming the board supports it)

http://www.amazon.com/Desktop-Computer-Mainboard-Internal-Connector/dp/B00JM1XYAG/ref=sr_1_3?ie=UTF8&qid=1404387759&sr=8-3&keywords=motherboard+speaker

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Stuck in boot loop, no signal to monitor. Need help!

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