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Case fans never turn off


Posted this in troubleshooting, but got some views and no replies and this is probably a better place anyway.


see this list for parts used



Hello everyone, been a while.  But I just did a build for a friend, just did an identical one to it a few weeks ago except used (2) m.2 drives instead of the setup seen in list and that build had no issues.


But anyway, build went fine, installed windows, installed storemi, installed updates, ran realbench for an hour no issues.  Restarted a few times no problem, but then I shut it down and case fans dim a bit but stay running...  I'll have to look closer when I get home to see how the fan controller works (this rosewill case comes with fan controller), but I don't believe it plugs into motherboard at all through usb or fan plug.  Takes molex for power, which is plugged straight into perif slot on EVGA supernova platinum PSU.  


When I shut down computer you hear the power supply click when it shuts down and cpu fan stops running.  But it seems like issue would have to be either with fan controller or power supply? Not gonna lie already didn't feel like doing this build was just doing it as a favor and with the holidays I really don't feel like troubleshooting.  I have an extra rosewill fan controller from last identical build we no longer needed once I swapped to corsair fans, but if anyone has any idea where I should start first would be much appreciated.


Sole Proprietor of Pinnacle Gaming, forging record breaking PCs at an unbeatable (literally) value feat: M2 drives, "delidded" cpus & gpus, record breaking speeds (hwbot), platinum PSU (always tier one),  premium motherboards, now with RGB LIGHTING, and all at a budget price, dare to compare even vs building yourself 

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maybe the fan controller is sipping power through the 5V wire on the molex plug?

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1


Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync


Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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