Boot issues. No POST, boot loops, or restricted to a 2gb stick. Power supply (old), Motherboard (old), Video Card, or RAM?

Kerjack

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Dec 3, 2014
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Upgraded my Nvidia 275 to a 970, and 6GB (3x2gb)[1600mhz] to 12 gb (3x4gb) [1600mhz]

After install it would only POST with memory running at 1066mhz, and only boot (Windows 8.1 of ssd) with a single stick of my original memory (2gb) at 1066mhz.

But if I put my Geforce 275 back in it will boot with all 12gb at 1600mhz.

My PS is rated at 800watts, but is 5 or 6 years only now along with my mother board based on the X58 chipset. Picking all my old parts, plus the new upgrades and fans on pcpartpicker estimated my power usage to 478 watt.

I've had weird issues with USB, onboard audio (outputs nothing but noise), random blue screens (NORMALLY when turning on webcam) for a couple years. I had assumed my motherboard was the culprit, but now I'm not so sure. Maybe it is a power issue. Or maybe the video card itself? Never heard of an issue like this though in regard to that.

Any guesses?
 
Solution
Xion PSU's are Tier 5 "replace immediately" units as seen here: https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx

I submit that this is the most likely cause of your problems, and even if it isn't 100% of your issue, it's unlikely you will be able to determine any other secondary issues without first resolving the voltage supply. I recommend a 600w Tier 2B or higher unit for a "stock" configuration, or a 650w unit if you plan to overclock the CPU or GPU from this list:

http://www.tomshardware.com/forum/id-1804779/power-supply-unit-tier-list.html
What is the brand and model number of your PSU?

I'm betting the PSU is the issue. Your new card has much higher power requirements than your old card and considering you already had issues, and it was probably borderline as is, now you've pushed it beyond it's capabilities. Especially if it's a cheap POS PSU to start with. For that amount of RAM and for that GPU, you want and NEED a quality Tier 2B or higher PSU.

Don't ever go by PCPartpickers power requirements calculator. It's not even remotely close in most cases. Your GPU calls for a 550w PSU, minimum. And that's if it's a high quality unit.

It would probably help to know your full system specs.

http://www.tomshardware.com/faq/id-2299418/obtain-basic-advanced-system-information.html
 
Xion PSU's are Tier 5 "replace immediately" units as seen here: https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx

I submit that this is the most likely cause of your problems, and even if it isn't 100% of your issue, it's unlikely you will be able to determine any other secondary issues without first resolving the voltage supply. I recommend a 600w Tier 2B or higher unit for a "stock" configuration, or a 650w unit if you plan to overclock the CPU or GPU from this list:

http://www.tomshardware.com/forum/id-1804779/power-supply-unit-tier-list.html
 
Solution