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Time for a new PSU?

post #1 of 14
Thread Starter 
So, during some dorm cleaning and finding a faulty power outlet blowing up, I ended up cleaning my PC case as well. Most of the dust mites have been blown into the air and ended up in my lungs, now coughing.

I'm still noticing some sluggish behavior upon startup during virus scans and some applications opening on startup, as well my M4 SSD doesn't seem to be loading apps in a split second as they used to. Come to find out while running Speedfan my temps seem a bit on the high side, yes, I know the "System" temps are beyond acceptable... this dumb EVGA 750i manufacturer setup, besides the stock fan for the north bus blew out and I replaced it with another and its been running in the past as far as I know, so I need to check the fan again so see if it's running and clear of debri. On the other point, would anyone have a suggestion on what type of fan I can use for the North Bus? It's a funky heatsink setup.

I've also noticed burnt pins on the ATX 20 pin connector and on the board itself. Looks like a little arcing going on. Gonna clean it with some hydrogen peroxide and cotton swap. I'll update with photos when I get to it later.

EVGA 750i


PSU: ThermalTake 750W, will check exact model when I get to this later.

Comments on the logs, screenshots? I might have to get my DVM out and check the PSU rail voltages, while checking the fan. Recommendations on replacement PSU?






Edited by BANDAID - 3/7/14 at 6:13am
post #2 of 14
What PSU are you talking about you dont name brand wattage or model?

Welcome to OCN by the way
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post #3 of 14
Thread Starter 
It's a Themaltake 750W, not sure if it's a SMART STANDARD 750W. Its over 5+ years old.
post #4 of 14
Quote:
Originally Posted by BANDAID View Post

It's a Themaltake 750W, not sure if it's a SMART STANDARD 750W. Its over 5+ years old.

If its an old non modular Themaltake SAMRT then its crap sory to say

I would replace it
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post #5 of 14
Thread Starter 
I figured as much, no problem. Going to have to live with it for a few months till I can get another one. But which voltages should I be looking at on Speedfan, which 12V+ ... there are multiples.

Recommendations on other information posted in thread?
post #6 of 14
Quote:
Originally Posted by BANDAID View Post

I figured as much, no problem. Going to have to live with it for a few months till I can get another one. But which voltages should I be looking at on Speedfan, which 12V+ ... there are multiples.

You cant use software to get any kind of readings you can trust you need a digtal multi meter for that
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post #7 of 14
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by BANDAID View Post

So, during some dorm cleaning and finding a faulty power outlet blowing up, I ended up cleaning my PC case as well. Most of the dust mites have been blown into the air and ended up in my lungs, now coughing.

I'm still noticing some sluggish behavior upon startup during virus scans and some applications opening on startup, as well my M4 SSD doesn't seem to be loading apps in a split second as they used to. Come to find out while running Speedfan my temps seem a bit on the high side, yes, I know the "System" temps are beyond acceptable... this dumb EVGA 750i manufacturer setup, besides the stock fan for the north bus blew out and I replaced it with another and its been running in the past as far as I know, so I need to check the fan again so see if it's running and clear of debri. On the other point, would anyone have a suggestion on what type of fan I can use for the North Bus? It's a funky heatsink setup.

I've also noticed burnt pins on the ATX 20 pin connector and on the board itself. Looks like a little arcing going on. Gonna clean it with some hydrogen peroxide and cotton swap. I'll update with photos when I get to it later.

EVGA 750i


PSU: ThermalTake 750W, will check exact model when I get to this later.

Comments on the logs, screenshots? I might have to get my DVM out and check the PSU rail voltages, while checking the fan. Recommendations on replacement PSU?






OP, all what you described (except for the NB temps & dust) is attributed to a crappy PSU as @shilka stated.
You're lucky it didn't take out some of the components.

Not sure if the NB heatsink has any TIM on it but it might help to add some. And any fan blowing directly on it would definitely help with the temps.

What case do you have and what are the case-fans orientation ?
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post #8 of 14
Thread Starter 
Temps are fine
Quote:
Originally Posted by eXXon View Post

Warning: Spoiler! (Click to show)

OP, all what you described (except for the NB temps & dust) is attributed to a crappy PSU as @shilka stated.
You're lucky it didn't take out some of the components.

Not sure if the NB heatsink has any TIM on it but it might help to add some. And any fan blowing directly on it would definitely help with the temps.

What case do you have and what are the case-fans orientation ?

NB heatsink doesn't come off, as far as I know. I tried before... take a look at the design in the photo. IIRC it's basically riveted to the board. Not 100% sure though, maybe I was able to take it off, but if I had, plenty of TP on it, but I guess I could take it all apart again and redo everything. I placed a 60mm replacement fan on it a few years ago and need to double check if it's running.


Yeah, but also irks me is that just because the PSU isn't modular and it's the older Thermaltake doesn't mean it's automatically bad without providing an explanation to what I requested. Explain your opinion, sure software isn't going to display values a DVM will show, but it's a rough average. I provided details and assumed I'd get an intelligent explanation/response.
Edited by BANDAID - 3/7/14 at 6:59am
post #9 of 14
Quote:
Originally Posted by BANDAID View Post

Temps are fine
NB heatsink doesn't come off, as far as I know. I tried before... take a look at the design in the photo. IIRC it's basically riveted to the board. Not 100% sure though, maybe I was able to take it off, but if I had, plenty of TP on it, but I guess I could take it all apart again and redo everything. I placed a 60mm replacement fan on it a few years ago and need to double check if it's running.


Yeah, but also irks me is that just because the PSU isn't modular and it's the older Thermaltake doesn't mean it's automatically bad without providing an explanation to what I requested. Explain your opinion, sure software isn't going to display values a DVM will show, but it's a rough average. I provided details and assumed I'd get an intelligent explanation/response.


Understandable. Most MNCs (Like Thermaltake, Corsair...etc) don't build their own PSUs but rely on OEMs for the design & platform.

Thermaltake has many (CWT, HEC, Sirtec or HighPower, Solytech, FSP...etc) OEMs for their PSUs and some of the old ones were considered rubbish due to the cheap platform/components.
Some (like the Widow 850) even took out the PC when it died. That doesn't happen with quality platforms. (btw I've been using a Tt for the last 5 years & still going strong).
Here's a database for quality PSUs.

Didn't mean to irk you the way we did though smile.gif



Here's how to put your rig in your sig:
http://www.overclock.net/t/1258253/how-to-put-your-rig-in-your-sig/0_20
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post #10 of 14
Thread Starter 
Thanks for the link to updated PSU's, I'll definitely use that in the future. You hadn't said anything, it was the other dude. thumb.gif Yeah, but this PSU cost a hefty dime back then 750W was like over $300+, but still.

Cleaned both male and female connectors with hydrogen-peroxide and a toothbrush. Did this instead of having to replace the connectors, I'd rather put the money into a new system, even if replacing the ATX connectors and pins would cost $10 but then "MY TIME"... that would take a while pulling **** apart, soldering, and cutting wires. No way!

Definitely looked like some arching and over voltage from settings in the bios, oops. It's bearable and running (knock-on-wood) with default settings, for now.

Readings from bios before cleaning:
Hadn't bothered to check, but info on top.

Readings from bios after cleaning:
3.3V = 3.22V
3.3V DUAL = 3.22V
12V = 11.92
5V = 4.70

Readings from DMM after cleaning:
3.3V = 3.05
12V = 12.08
5V = 5.11

NB temp in bios 34c ... Speedfan still showing 85c, Speccy showing 40c. It seems speedfan is displaying incorrect temp data. Tried launching HWiNFO32, but system locked up during analyzing memory configuration (strange thing about this is... I have dual monitors, the secondary screen goes black and the primary screen stays active, but froze/locked up, only way to get out is reboot. *This has been happening for a couple months). Rebooted. Everest displays 38c for NB temp, displays the same Voltage readings in Everest +/-10%.
Edited by BANDAID - 3/7/14 at 1:12pm
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