Computer making loud noise after start up.. this time persisting...

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aafusc2988

aafusc2988

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Jan 8, 2015
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So a while back my PC made this grinding/rattling noise (pretty loud) after every time it was started up. Typically my PC always stays up, but what I would find is that sometimes I'd wake up and maybe my power went out over night. So I turn the PC back on and it starts up LOUD but would diminish after 30 min - 1 hr or less... just depended.

Now the other night (2 nights ago), my power was out waking up and I turned the PC back on - this noise is still going 2 days later. I think it has to be a bad bearing in one of the fans... when I lean down to listen, I'm fairly certain it's the front bottom fan (CoolerMaster case).

I have no idea what replacement fan to buy or how to fix this... or what happens if I just let it rattle/be loud?

My case is from this PC I bought on Amazon:

https://www.amazon.com/gp/product/B0089KDCIU/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1


I'm having a hard time finding a video that matches my issue, but this is the most comparable:

https://www.youtube.com/watch?v=__2E9Yszq6w

It's a mix of a rattle/grinding noise.
 
Solution
geofelt
On the psu:

Buy only a quality unit. Tier 1 or 2 from a list such as this:
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
Seasonic, XFX, Antec are good for starters.

Your GTX750ti needs only a 300w psu unless it needs aux 6 pin power in which case add 75w.
To allow for future graphics upgrades, you might buy in the 550-650w range.
That will run a GTX1080.
I have no problem overprovisioning a PSU a bit. Say 20%.
It will run cooler, quieter, and more efficiently in the middle third of it's range.
A PSU will only use the wattage demanded of it, regardless of it's max capability.

For info on quiet fans and other quiet info go to www.silentpcreview.com.
They will have a list of recommended fans.
Mostly, noise comes from...
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aafusc2988

aafusc2988

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Jan 8, 2015
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I also know for certain I need a new PSU... what do you guys recommend:

I put a GTX 750ti into this computer.. but didn't change anything else. It's the same old stock PSU which I know is crap and I should've replaced a long time ago.
 
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geofelt

geofelt

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Oct 9, 2006
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First, verify that it is the fan making noise.
Remove the case cover and check to see that there is not a wire rubbing on the fan.
Use a paper tube to your ear as a stethoscope to pinpoint the source of the noise.
Fans are quite standard.
Measure the diameter of the fan. It will likely be 120mm.
A replacement should be <$10. Possibly more if you want it to have a blue led for more "bling"
 
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aafusc2988

aafusc2988

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Jan 8, 2015
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What's a good fan?? I just almost purchased a Cooler Master 120mm fan (black frame, blue LED light), but the cons were saying it's pretty loud. I'm going for quiet that'll last me...

Also I need ideas for a good PSU:

GTX 750ti
AMD FX-4300 quad core @ 3.8ghz
8GB DDR3
1TB HD

I might go for more than what I need since I will eventually update this PC completely, but honestly I'll probably just get what I need for this build since I will do a completely new PC later. I just know I have to get rid of this stock PSU... April 2017 will be 3 years it's been somehow running this whole time playing fairly demanding games.
 
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geofelt

geofelt

Titan
Oct 9, 2006
54,298
4,146
174,240
On the psu:

Buy only a quality unit. Tier 1 or 2 from a list such as this:
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
Seasonic, XFX, Antec are good for starters.

Your GTX750ti needs only a 300w psu unless it needs aux 6 pin power in which case add 75w.
To allow for future graphics upgrades, you might buy in the 550-650w range.
That will run a GTX1080.
I have no problem overprovisioning a PSU a bit. Say 20%.
It will run cooler, quieter, and more efficiently in the middle third of it's range.
A PSU will only use the wattage demanded of it, regardless of it's max capability.

For info on quiet fans and other quiet info go to www.silentpcreview.com.
They will have a list of recommended fans.
Mostly, noise comes from how fast the fan is spinning.
Yes, there are second order effects such as tonal qualities and efficiency.

As to future updates, there are none for you.
FX is not a efficient chip and the FX-6 and FX8 are no better, just more cores which games do not need.
And... you may need a better motherboard anyway.

If you are an AMD fan, you can wait for Zen next year.
If you need an upgrade now, look to skylake.
 
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