PSU repeatedly stops for a few seconds then resumes > 4. I stopped after a while when my CPU temp reached 75. So, if you want your PSU to look nice, then keeping the fan upwards is acceptable too, but i would still prefer it downwards with the filter. I have a Thermaltake ToughPower 850 rgb PSU and that says to point fan upwards with this model to help have an extra exhaust on system. I restarted the unit and noticed that the PSU fan does spin immediately on start-up but after a couple of seconds it stops. In these type of PC cases, the position of the PSU fan should be kept down only, because they generally donât have vents at the top panel, but if somehow your case has top vents for PSU, then you can keep the fan position in upwards direction for better airflow and cooling performance for the PSU. It is very important to mount the PSU in a correct manner or orientation because if you do it wrong then you can restrict the PSU airflow, and it can result in damage to the power supply and maybe some other components. Now I use a very old Coolermaster Cosmos case the first one with sound deadening on inside which has lower cut out and filter to point downwards . If you can hold it comfortably, it's not overheating. So, here I am going to debunk this mystery and clear all your doubts regarding it, taking into account all the possible factors and conditions. I love Graphics Cards and I have been digging them since GeForce 3 series. The fan does not spin at all and has no 12 V output > 2. By "Keep an Eye on it", what exactly should I monitor closely? If it does, the PSU is functioning normally. If it does not spin when the PC powers up, then the fan is probably plugged by dust or defective, but you do not need a new computer to fix the PSU as it … You can clearly see this in the image given below. Faulty Fan. Well, that's a pickle. My system: PCPartPicker || For Corsair support tag @Corsair Josephor @Corsair Nick || My 5MT Legacy GT Wagon ||. Posted in CPUs, Motherboards, and Memory, By The fan can become faulty either because it is jammed due to dust, or due to hardware failure that includes worn out bearings or because of some component failure in the fan. Turn on the PSU. By Ellis, May 9, 2017 in Power Supplies. So, here I am going to tell you on how to properly mount your power supply, and whether the fan side should remain up or down, depending on different conditions and types of PC cases. Posted in Troubleshooting, By So, if you have such provision then the PSU fan should be positioned downwards. It depends on the internal temperatures in your case. Corsair PSU fan not spinning..? If this happens, your motherboard is certainly working in some capacity. Posted in Troubleshooting, By I do notice that the PSU it a bit warm when I touch it. I am trying to set up a new build computer. How does that work though? CUDA Cores vs Stream Processors Explained, Graphics Card Types based on Form Factor, Budget, Use, Power & Cooling, Rebrand, Rebadge vs Refresh of Graphics Cards Explained, Best M.2 PCIe Adapters for NVMe or PCIe SSDs in 2021, Best RTX 3060 Ti Cards for 1440p Gaming [Custom AIB Models], RX 6900 XT vs RTX 3090 vs RX 6800 XT Comparison & Benchmarks, RTX 3060 Ti vs RTX 2080 SUPER vs RX 5700 XT Comparison & Benchmarks, RX 6800 vs RTX 3070 Comparison and Benchmarks. If I were you I'd either not care so long as it's performing fine or contact Corsair for a sure-fire way to test it. there's also cases with shrouds overtop the power supply, cases where the GPU may be very close to the PSU, where the PSU and GPU fans would be fighting for airflow, etc. CPU and RAM temperatures and CPU voltage. Also, these carpet fibers are very dry and are static in nature, and may catch fire inside your PSU, which can cause serious damage to your power supply, and also other computer components too if you are unlucky. Try Prime95, maybe. Ellis 0 Posted May 9, 2017. Started 27 minutes ago There's space under me PSU fan vent, its a Master Box 5. Here is a Dell Latitude with fan not spinning although the fan is in OK order. the fan sucks air into the power supply, which is then exhausted out the back (or at least thats how most modern, quality power supplies work) and you get the choice to make it face up, essentially acting as a passive or active exhaust from your system (depending on if the fan is spinning or not), or fan side down to make it its own little ecosystem, and for the amount of heat in a power supply those few cm below your case (if your case isnt on carpet that is..) are plenty to give the power supply the airflow it needs. Najim Most of the modern-day computer cases have bottom-mounted PSU design. Got an rx 580 xfx, pulling it out for maintenance, open it blow dust out, clean paste application. Some computer cases come with a PSU shroud or cover that acts as an extra protection for the power supply and also for the bottom-mounted drives. We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. OK that is good to know. However, I donât think there are many cases like this out there, but if they are then you should avoid buying them in the first place, and rather go for a PC case with bottom vents and air filter for the PSU. Would I get better performance if I got better RAM? This should provide a positive interial press. In a custom water-cooled system, you donât want to keep the PSU fan up, because if somehow the liquid gets leaked and accidentally drops inside the PSU then your power supply will definitely get burnt out. MihneaMHN So there is no space for it to blow the air surely? Ellis. If you're using a PSU jumper, insert the ends into pin 4 and pin 5. There are only two positions where computer cases allow you to mount the PSU, which is either on the top or at the bottom. This makes me think that you should not risk running a PSU, no matter how low power, without a fan, unless it's a specially designed fanless PSU. and if someone's gonna complain that that will ruin the graphics card's thermals, that power supply will never kick out more heat than a generous amount of LEDs will, so really it doesnt matter. Ryzen 5 5600x hitting 90c+ on boot / idle with kraken x62. Britishblue It won't use the fan until it exactly needs it. How to fix a fast spinning PSU fan Clean out the dust Posted in Displays, By (dammit @LukeSavenije stop coming up with new ones), You can check out the old one that gave joy to so many across the land here, Computer having a hard time powering on? So I see what you are saying about the PSU sucking air in and blowing it out the back - I didn't ever really stop to think how it worked. PSU is a evga 750G+ supernova @1.5 years old. Richan Sign up for a new account in our community. Computer Cases with top-mounted PSU are very rare these days but they do exist. Started 5 minutes ago Or plug in a 12V light bulb into the 5V on the ATX24 connector, that's perfect for testing and it can be plugged in diagonally in pci-e conenctors too for 12V test. the RM series waits very long until the fan kicks in, my RM750 has been in use for almost two years now, and the fan is yet to spin. Typically what the fans do on poweron is spin at … You can keep the fan upwards as this will give you a better look at the RGB fan it has. Case has 3 bottom fans and filter. Started 7 minutes ago 3 Answers. Posted in CPUs, Motherboards, and Memory, By The case is SilverStone Raven X RVX01BR-W ATX Case (Black/Red). Hi, my case is a Silverstone raven with the motherboard mounted 90 degrees clockwise, PSU mounted top front. Most high wattage and high efficiency PSUs only turn the fan on when the PSU is above a certain load threshold, usually around 50% for 500W+. 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