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PSU spark sound

D8NzZ
Go to solution Solved by Ankerson,
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.

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 DDR4 3200 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 AXI 1600W Titanium. 

 

i7 8086K, AORUS Z370 Gaming 5, 16GB GSKILL RJV DDR4 3200, EVGA 2080TI FTW3 Ultra, Samsung 970 EVO 250GB, (2)SAMSUNG 860 EVO 500 GB, Acer Predator XB1 XB271HU, Corsair HXI 850W.

 

i7 8700K, AORUS Z370 Ultra Gaming, 16GB DDR4 3000, EVGA 1080Ti FTW3 Ultra, Samsung 960 EVO 250GB, Corsair HX 850W.

 

 

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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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1 minute ago, akio123008 said:

Should be fine. 

I hope :D

 

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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 DDR4 3200 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 AXI 1600W Titanium. 

 

i7 8086K, AORUS Z370 Gaming 5, 16GB GSKILL RJV DDR4 3200, EVGA 2080TI FTW3 Ultra, Samsung 970 EVO 250GB, (2)SAMSUNG 860 EVO 500 GB, Acer Predator XB1 XB271HU, Corsair HXI 850W.

 

i7 8700K, AORUS Z370 Ultra Gaming, 16GB DDR4 3000, EVGA 1080Ti FTW3 Ultra, Samsung 960 EVO 250GB, Corsair HX 850W.

 

 

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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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