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D8NzZ

PSU spark sound

Just now, D8NzZ said:

So I should just turn off the PC and leave the PSU on 24/7?

 

Yes, that's how you are supposed to do it.

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Posted · Original PosterOP

So I recently got a new power supply, Corsair RMx 850x to be exact, and it was fine. Yesterday however we had an obrupt power outage and I noticed a slight spark sound when I got to turn the power switch at the back off with a very light smell of burning (i always turn the PSU off after I turn the PC off because the slight light of the GPU irritates me). The PSU seems to work as normal but I’m still unsure what that sound is. To clarify, it only happens when I flip the switch from ON to OFF after turning my PC off first. Should I be worried? 

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It's best NOT to flip off the switch on the PSU or cut the power to it daily.


i9 9900K @ 5.0 GHz, NH D15, 32 GB GSKILL Trident Z RGB, AORUS Z390 MASTER, EVGA RTX 3080 FTW3 Ultra, Samsung 970 EVO Plus 500GB, Samsung 860 EVO 1TB, Samsung 860 EVO 500GB, ASUS ROG Swift PG279Q 27", Steel Series APEX PRO, Logitech Gaming Pro Mouse, CM Master Case 5, Corsair HXi 850W Platinum. 

 

 

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Posted · Original PosterOP
2 minutes ago, Ankerson said:

It's best NOT to flip off the switch on the PSU or cut the power to it daily.

So I should just turn off the PC and leave the PSU on 24/7?

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Posted · Best Answer
Just now, D8NzZ said:

So I should just turn off the PC and leave the PSU on 24/7?

 

Yes, that's how you are supposed to do it.


i9 9900K @ 5.0 GHz, NH D15, 32 GB GSKILL Trident Z RGB, AORUS Z390 MASTER, EVGA RTX 3080 FTW3 Ultra, Samsung 970 EVO Plus 500GB, Samsung 860 EVO 1TB, Samsung 860 EVO 500GB, ASUS ROG Swift PG279Q 27", Steel Series APEX PRO, Logitech Gaming Pro Mouse, CM Master Case 5, Corsair HXi 850W Platinum. 

 

 

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2 minutes ago, D8NzZ said:

So I should just turn off the PC and leave the PSU on 24/7?

It's how it's usually done but I don't think turning it off causes any harm. Some extra stress on the input capacitors etc. perhaps but nothing that causes serious damage.

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2 hours ago, D8NzZ said:

So I recently got a new power supply, Corsair RMx 850x to be exact, and it was fine. Yesterday however we had an obrupt power outage and I noticed a slight spark sound when I got to turn the power switch at the back off with a very light smell of burning (i always turn the PSU off after I turn the PC off because the slight light of the GPU irritates me). The PSU seems to work as normal but I’m still unsure what that sound is. To clarify, it only happens when I flip the switch from ON to OFF after turning my PC off first. Should I be worried? 

No.  It's inrush current.  You have caps that have to charge in under a second any time you flip that switch off and then back on again.

 

If LED's on the graphics card bother you, cover them up with electrical tape.

 

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