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New GPU acting weird, possible PSU problem, but not sure. Numbers inside

Long story short, I got a new GPU, 650 TI, and it's been acting weird in various ways when playing games. I checked the temps with HWmonitor and its well within the safe range, and I've tried doing a clean install on the drivers. (I've heard beta is better to go with but I did not do that since the latest WHQL driver is newer than the last beta, so I assumed that was the way to go).

After some finangling on the forums it came up that it might be a PSU problem, though my PSU is 750w, well within the range needed for my rig (link to the psu).

I did some more looking around and saw that I could check my output voltage regulations. I'm not entirely sure how to do that, but the PSU says in it's specs:

+3.3V@28A,-5V@0.5A,+12V1@12A,+12V2@12A,
+12V3@12A,+12V4@12A,-12V@0.8A,+5VSB@3.0A


While HWMonitor is giving me numbers like this:

Hardware monitor ITE IT87
Voltage 0 1.14 Volts [0x47] (CPU VCORE)
Voltage 1 1.81 Volts [0x71] (VIN1)
Voltage 2 3.33 Volts [0xD0] (+3.3V)
Voltage 3 4.95 Volts [0xB8] (+5V)
Voltage 4 0.83 Volts [0xD] (+12V)
Voltage 7 5.21 Volts [0xC2] (+5V VCCH)
Voltage 8 3.15 Volts [0xC5] (VBAT)


Those numbers look weird to me, but I don't actually know enough about how the PSU works to interpret it (or even really say whether or not I'm connecting the right bits of info)
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  1. Best answer
    See if you can try a different PSU and see if it works, the Athena is a low tier PSU
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