CPU fan

Forum discussion tagged with CPU fan.
  1. F

    Question CPU cooler fan not spinning on startup, spins when fan unplugged and plugged back in

    So whenever I boot up, the fan is not spinning and I get the bios error about "CPU fan speed not detected, F1 to enter BIOS" or whatever. The CPU fan indeed does not spin, but when I unplug the fan header and plug it back in, it starts to spin and works normally after that. What could be...
  2. J

    Question ROG Strix 670e / Deep Cool LT720 AIO CPU Fan Error

    I am getting a BIOS CPU fan error and my AIO is working. I've seen that I can change my BIOS to Ignore the CPU fan error but when I do and SAVE BIOS, it does a reboot and I get a 0d on my Qled panel and NO POST. To boot I need to clear CMOS and that resets the CPU Fan ignore. So my boot...
  3. T

    Question Which type of fans to use in my PC, "airflow fans" or "static pressure fans"?

    Basically, I'm looking to improve my cooling situation and buy 4 new fans with higher rpm but I'm having trouble deciding what type of fans I should buy for this NZXT case setup, (NZXT S340) The PC case doesn't really have the best space as I can only fit 4 x 120mm fans (1 back / 2 at the...
  4. Mdsp3

    Question Fan header low voltage, motherboard no beep sound

    Cpu fan header low voltage that causes my motherboard to not start. I tried to connect the 4 pin cpu fan to the 3 pin system fan and it has high rpm while on the cpu fan header it has low. I think this is what causes my motherboard to not beep. What could be the fix?
  5. F

    Question CPU fan was unplugged for months...

    So I was having an issue where my PC would just randomly crash across a variety of "normal use" situations (Browsing Chrome, watching movies with VLC, using file explorer). Sometimes it would hang for ages before crashing, sometimes it would just switch off. Event viewer also logged it as a...
  6. E

    Question First time setting up AIO ---- question about fan warning from BIOS ?

    First time AIO user here so i'm a bit confused on the proper setup for an AIO when it comes to fan monitoring. In the bios the monitoring for the AIO does show up and I can see the rpm if that matters. I've tried looking into this a little bit but i'm getting conflicting threads of information...
  7. Ranen Mannin'

    Question CPU Fan erratic, even though CPU is cool and fan replaced

    ASRock Z170 Pro4 mobo i3-6100 Thermaltake 95W Gravity A2 CPU Cooler, 92mm 4-Pins PWM 1200~3500rpm Aluminum Extrusion CPU Cooling Fan 16 Gb DDR4 ram PNY GeForce GTX 960 2 GB XLR8 Elite OC Corsair CX450M PSU Western Digital Caviar Blue 1 TB 3.5" 7200RPM Internal Hard Drive Out of nowhere, I...
  8. T

    Question orange static PWR_LED light on motherboard, PC wont turn on

    Hello, To start, I was planning on putting an old HDD in my computer so that I can read the data. I properly and safely turned off my PC and unplugged it. I opened it up and after realizing I didnt have the proper screw driver for the job I put my PC back together, plugged it in, and proceeded...
  9. sicklyhare

    Question Strangest Issue when powering a newly built system

    So the system I built for my friend has the strangest issue and I need help figuring out what is wrong with it. After everything is plugged in and powered on I hit the power button to start it up and the cpu fan makes a brief high pitched squeak and then nothing happens. No movement, nothing...
  10. raduenea

    Question Asus Motherboard 2 cpu fans

    Hello, I have an Asus motherboard with 1 x CPU Fan (4 pins) and 1 x AIO Pump (4 pins). I want to buy a new CPU cooler witch have 2 fans (4 pins). Having on my motherboard only one CPU Fan can I use AIO Pump as well for CPU Fan ? Thanks
  11. Baraa_Al Turk

    [SOLVED] How to turn off LED on a Fan

    I have the DEEP COOL GAMMAXX GTE V2 (Blue LED only) and I'm wondering how to turn off the light of the fan since its really annoying. the fan comes with only 1 cable which is the 4 pin fan header, nothing else to control with, now is there a way to turn off the Blue light? I've an Asus b550 rog...
  12. AntonioHimself

    [SOLVED] CPU Ramping up all fans

    This may be a really dumb question but is the CPU, whenever the temperature increases, meant to make not just the CPU fan ramp up but ALL the PC fans? i don't think I've had this issue before... asking because i have 6 fans (2 for water cooling) (4 pc fans) and as you can guess... it gets loud...
  13. kgod

    Question cpu broken?? fan took it out

    so i had to take everything off my mobo to get it fixed and i needed to take a cpu off. wouldnt come off so i twisted it a bit and realized the thermal paste was making it stick so i tugged on it. cpu and cpu fan came out and i had a mini heart attack. nothing seems bent/broken so would it be...
  14. Jackattack99

    [SOLVED] CPU fan immediately on as soon as i flick power supply on without pressing powr switch

    My computer i just built for my basement isnt posting and is doing weird stuff ive never seen before CPU fan immediately turns on as soon as i flick power supply on, zero post verified cpu /ram/psu/gpu all fine working order(tested on other comp) , tried with onboard graphics also and...
  15. A

    Question CPU Fan compatibility ?

    I want to know if the CPU fan from a Foxconn 2abf motherboard is compatible with a Dell Optiplex 790/990 MT motherboard ? Both have LGA 1155 socket. Ty
  16. MadDogYouMadDog

    [SOLVED] CPU Fan doesn't work but PC runs fine ?

    So my prebuilt system comes with an i5 7400 with the stock cooler and on inspection ive noticed that the cpu fan doesn't spin at all. Ive checked afterburner and it runs at 80+ during demanding games but usually stays under 70 when playing less demanding games. It idles at around 60C. Ive...
  17. AForceGaming

    [SOLVED] PC shuts off after few minutes ?

    Last night I took my PC apart because of a display problem, I removed the GPU, RAM slots, the CMOS battery and the CPU. The problem was fixed and the display works now, but the PC shutsoff a few minutes after turning it on (shuts off when the Windows 10 boot logo appears). I believe this is...
  18. J

    [SOLVED] Where do I plug my CPU fan and my PWM hub?

    I just got a new case with some fans that have a PWM hub and I don't know which spot to plug them into my mother board, please help and thanks in advance. the motherboard I have is a ASRock B365M Pro4 Micro ATX LGA1151 Motherboard the case I have is a Phanteks Enthoo Pro Tempered Glass ATX...
  19. S

    [SOLVED] CM HAF 912 plus optimal fan configuration

    I have the Cooler Master HAF 912 plus case. My pc specs are: 9900KS Dark rock pro 4 3080 ti aorus master Z390 aorus master 3600 Mhz ram 970 Evo plus SSD what is the optimal fan setup in this case for the best cooling? Currently this is my setup: Intake: Intake front: 200mm Cooler master fan...
  20. B

    [SOLVED] My PC suddenly started making this weird noise

    I was playing some games yesterday when suddenly my PC started making this sound View: https://soundcloud.com/blazebubble-967430087/voice-009 The noise was followed by a vibration that I could feel on my desk. I restarted the PC and the sound was gone but tonight, all in a sudden, it came...
  21. R

    [SOLVED] My cpu speed is stuck at 0.77 Ghz for some days. What could be the problem?

    1) Laptop's fan stopped working. It spins for a second, there is a noise and it stops. This keeps repeating. I am using a cooling pad for laptop and there is no heating issue so far. Idle state temperatures are 35-40 deg C. When I use moderately, the temperature goes to 45 C. And when I run an...
  22. I

    [SOLVED] Spun cpu fan backwards while cleaning

    So I heard that while cleaning your pc you should hold on the fans so that it wouldn't spin.... So I totally did the opposite of that, will there be any problems? I stopped immediately after it started spinning tho, and what's the reason to hold it so that it wouldn't spin?
  23. C

    [SOLVED] CPU fan only spins when plugged into sys fan

    I tested all the pins CPU1 CPU2 and sys fan with a different fan. They all seem to be working fine. The cpu fan only runs if plugged into the sys fan. How can I fix this?
  24. C

    [SOLVED] Is it safe to connect all case fans to the cpu header of the motherboard through a splitter?

    Right now i have 1 chassis fan and the cpu fan, where the chassis fan is connected to a molex (running always at 100%), and the cpu fan is connected to the cpu fan header. Im looking into moving to a new case and I'll have to add some fans. New setup will be 4 case fans and a cpu fan. Im...
  25. M

    [SOLVED] Can corsair hydro h45 cooler fit mitx chassis

    I am going to buy a new chassis and cooler but I have a matx motherboard and I overclocked my processor but my cooler is too bad so I think to buy a corsair hydro h45 and Cooler Master MasterBox Q300L. and I need to know if the cooling tea will fit the chassis
  26. joshua.man

    [SOLVED] Need advice on most likely cause of PC boot-loops and freezing ?

    My computer is a few moths old now, the issues seem to be getting worse over time. I am sure this is a hardware issue as I have installed a new windows on a new drive and it persisted. All the symptoms are seemingly sporadic which makes it extremely hard to figure out what is causing it. Here...
  27. F

    Question How do I control my Thermaltake RGB cpu fan?

    Have a Thermaltake UX100 cpu fan which is permanently set in rainbow colors, which is very distracting for my peripheral vision. Looking for a way to change it to a static color like blue or white. Have tried RGB Fusion 2.0, iCUE and Armoury Crate, none of which have detected the cpu fan or...
  28. Jaymz2000

    [SOLVED] Need a tie breaker -

    Cryorig H7 OR Cryorig M9a Using an AMD chip. I like the look of both of these, I just don't know the better performer, I believe the H7 is slightly bigger in fan size, but slower in rotations and Vice Versa for the M9 but is about $25-30 cheaper, which I'm not trying to go all out on cooling...
  29. danielsuperone

    [SOLVED] Can I disable the RGB on my CPU fan?

    Hello, I have a P8H77-V LE motherboard and as my cpu fan i am using some cooler master fan, my whole pc is blue and my fan is red, is there a way to disable the rgb on that fan? I dont want to replace the fan neither or remove it, i just want to find a way to disable the RGB lights on it...
  30. Balenci

    Question My CPU fan isn’t spinning and PC won’t boot, just a black screen ?

    My cpu fan stopped spinning and everytime I start my pc it turns on, no cpu fan and just black screen. My gpu also goes up to 100% fan speed as soon as I start it. (My fans also make a loud noise for like the first 15 seconds when I start it then goes to normal but that has been happening for a...
  31. Aditya0547

    Question Please Need Urgent Help!

    I have a laptop Compaq presario cq57-408tu The problem is when I press the power button it's shows an 90b error and my fan is not running and it automatically shuts down after in few seconds without even booting upto starting windows logo. I am now thinking of changing the CPU fan myself but I...
  32. T

    [SOLVED] NHD15 fans stop spinning momentarily

    So I bought the D15 for my system set it up, saw a pretty decent decrease in temps overall and under load, but I noticed the outer fan that I could see, would slow down sometimes. I chalked it up to the system controlling it, because I didn't adjust any of the CPU fan settings and instead left...
  33. korey

    [SOLVED] Does CPU OPT Fan matter?

    Hi, I recently bought a new case and I still have some of my old coolers from my old case, it would be a waste to just throw them, but they are not the best, the case costed 25$ and it came with 3 included blue led fans, so I don’t think they are the best, and I was wondering if I could use one...
  34. N

    [SOLVED] CPU Fan Error, everything else works fine

    As the title says, I'm encountering a strange issue. My PC has worked fine since I built it in late 2019, and this is it's first big issue. Seemingly overnight, the CPU fan has stopped functioning. I see it start to spin upon power up, then it just stops. Sometimes it tries one more time, but it...
  35. M

    [SOLVED] Unusual cpu fan wiring in laptop

    Update: After getting the tool I needed I was able to remove the cover from my laptop fans and see their circuitboards. This let me see for certain that while the two GPU fans use three wires (power, ground and sense), the cpu fan is using power, ground and pwm, with the pwm wire plugged into...
  36. omerdai

    Question Help Motherboard light problem

    Hi, I have my pc for a tear now and I don't usually have problems with it, today I wanted to check something with the RGB fans and by mistake one cable has disconnected and I reconnected it since then something really strange is happening, the front RGB fans are stuck with blue light the CPU fan...
  37. L

    [SOLVED] Case fans noise not getting quieter

    I've recently had to send my father's 1TB Adata XPG S40G SSD and his Aorus B450M for repairs due to a few issues (the backpanel audio was not working and the system sometimes couldn't find the SSD) and I had to take it apart. Today I've got it back together and the fans are way louder than...
  38. [SOLVED] Dynamic CPU fan running high all day

    Hi guys, Up until yesterday or today, my CPU fan has been running at high speed for no apparent reason that I can see. It's a Prism cooler for Ryzen 3700X, and it normally changes speeds dependent on CPU temp. This speed will come on when playing Call of Duty and such, but usually very quiet...
  39. R3dLite

    Question very bizarre cpu fan rattle issue... electromagnetic interference maybe?

    Scenario: I have a Thermaltake case, all tempered glass (View 31), and a CoolerMaster Hyper 212 RGB Black cpu fan on my cpu (i5 9600k on an Aorus B360 gaming 3 wifi board). It had not produced any significant issues until the following occured: I had the system off, and was working on the...
  40. M


    Hello guys. I have a CRYORIG H7 QUAD LUMI cpu cooler. The fan is not working properly so im trying to find a cheaper solution than buying a new cooler. Can i replace the cryorig's fan with a pwm fan and connect it to the CPU FAN header? Thanks in advance.