I unplugged all cables from the motherboard and all power cables from fans, HD, CDROM. It sounds to me like the fan controller they use might be faulty. Suddenly yesterday, My perfectly working PC won't start up. By Jim Lynch on April 10, 2009 at 2:19 pm; Comment ; This site may earn affiliate commissions from the links on this page. Try disconnecting the wire for the power switch and start it 'manually'. Samsung Laptop Powers ON, fan spins harder than before but the screen is Blank: Laptop fans spin during boot, don't spin at all after boot even during high temps, causing overheat shutdown: Solved! Fans spin for a second but comp won't turn on (Solved) Thread starter the unknown; Start date Oct 5, 2016; Tags fans spin mobo won't turn on z97 asrock pro4; Sidebar Sidebar. Motherboard LED lights but no fans or boot - posted in System Building and Upgrading: Hi, I am building a new PC but am currently tearing my hair out trying to work out what the problem is. 3 . 3 . If it has been a while since you built a system, the new ones don't behave like in the old days. Please start a New Thread if you're having a similar issue. Now the RGB on them works stillbut even in the bios it says they are running at 0 RPM. Random _User_101 @random_user_101. View our Welcome Guide to learn how to use this site. Due to constant usage and over a period of time, the flywheel may become weak and brittle. Hardware and Technology. 1392 Questions View all . The fans actually go crazy, spinning at full force. Please start a New Thread if you're having a similar issue. If you're talking about the position of the actual fans then I don't believe that would be able to work for the reason that the case fan is larger in size then the cpu fan. Tried turning the computer on again, by using screw driver to short the power switch pins. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). Unplug the mobo connector and short the green to any black. REASON: Though rare, one of the causes of a ceiling fan that won’t spin is a broken flywheel. Computer Hope » Hardware » Hardware ... Everything works fine except for the 2 front 200mm fans. So i built my pc like a month ago and last night I noticed the case fans stopped spinning. save. If your computer turns off immediately or even within a few seconds after it is turned on, there could be several possible issues. Fans spin for half a second and then turn off. Do they kick on when needed with new cards? Rx 580 turns on but fans don’t spin and gives no display, another graphics card is used and it works and the fans spin but it still shows no display. share. Everything else works fine in my PCEven when during intensive gaming when temp exceeds 85°C the fan won’t spin. If possible remove the front panel/facia and make sure the connections are still hooked up to the front I/O. hide. The case I have is the rosewill cullinan mx RGB. 100% Upvoted . Joined Mar 13, 2016 Messages 38. Does the same thing, CPU fan spins for half a second and stops. Notice the CPU fan spins for half a second and stops. best. Page 1 of 3 - PC does not boot, no (post beep, light, or display ) fans running - posted in Internal Hardware: When I boot my pc, all fans are running, no post beep, no pc display. Once I turn the computer off and turn it back on a second time all of the fans power correctly and I don't have any issues. Tech Support. You must log in or register to reply here. Be the first to share what you think! Welcome to the official subreddit of the PC Master Race. Fans only spin at startup for like 2 seconds and then stop spinning. The computer won't start now. Page 1 of 3 - PC does not boot, no (post beep, light, or display ) fans running - posted in Internal Hardware: When I boot my pc, all fans are running, no post beep, no pc display. save hide report. But I tried downloading MSI afterburner and it wont let me adjust the fans anyways for some reason. I tried closing programs in task manager however nothing seems to affect the fan … Options. Solved! If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. Ascend to... the PC Master Race. This thread is archived. They normally always start spinning when i boot it up. In some of the models of ceiling fans, the blades are attached with a rubber flywheel rather than the motor itself. My problem is the same as many others I have seen listed. computer turns on fans spin but no projection to the my monitor. Unused & Misaligned standoffs will create electrical short circuits; if a motherboard detects these, it has safeguards that will prevent powering up. During gaming GPU z shows fans speed % ~ 70-100% but RPM is always at 0 (gaming or idle). Once I turn the computer off and turn it back on a second time all of the fans power correctly and I don't have any issues. › Monitor wont work when I turn on the computer › the computer turns on but the screen is black › Newly built computer turns on all fans run › [Solved] Computer turns on, fans spin… One common problem that first-time builders can run into is that, after building their system and turning it on for the first time, they find that their graphics card fan(s) isn’t spinning. › My computer turns on but I hear no beebs, and › why does my computer turn on when keyboard is › My computer turns on for a second. Do you have 3 standoffs or 6 standoffs under your motherboard? I've already done the paperclip test and my PSU is not the issue. So I just received my new computer yesterday and everything seems good so far except for a couple things... My MSI RTX 2070 fans don't spin. To proceed, we recommend going through each section below to help find a solution to your problem. A very comprehensive description you have there. Looks like you're using new Reddit on an old browser. - I dusted the case, (it was not that bad anyway). Tried turning on the PC again. Fans would spin, but nothing else. Make sure every standoff you use has a corresponding hole in the motherboard and is screwed in. This may cause it to break. Suggest giving the all the cables connected to it a bit of a wiggle. Every time I turn off my computer, the screen turns off, I can hear internal parts shut down, but the fans and leds still run. My computer display doesn't turn on with the rest of the computer. acer aspire revo r3700 it turns on the fans spin but there is no signal to my monitor. Computers that generally don't include an integrated display, and are meant to be stationary. I'm glad you got it running! So, I pull out all video cards, modems, nics, etc and only use one stick of ram, then I try to boot again. A green light means that your motherboard has power, and it's in standby or sleep mode. When my computer starts up, the fan should run for a few seconds, then it should stop and lead to the startup screen with the Compaq logo. Oct 5, 2016 #1 Fairly sure it's a dead mobo but would like confirmation. That will tell you if the psu is dead or not (its fan (s) should spin up). I always have to hold the power button down to turn it off. › computer turns on but no display no beep › [Solved] My computer doesn't turn on even though power › [Solved] PC Turns On No Display No Beeps HELP › Pc turns on but no image display. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. Note. Try to remove your GPU, then do the one stick of ram trick, try every slot until it boots up properly (use onboard graphics for this) if this doesn't work, move on to the next step of troubleshooting, Just to be clear: you plug into power, turn on the. Lenovo laptop won't turn on, spins fans when plugged in Hello, I have a Gateway Model GT5016E. 1; 2; Next. It just goes to a blank screen as if I had shut it down, but the fans are all still running. Same sypmtoms persist. I took it to a computer … 1. Similarly, when your computer won’t boot but fans spin constantly, it could be a sign of high temperatures or overheating in your computer, which if not dealt with, can cause your computer to fail or refuse to boot until it cools down. Computer powers on but does not boot & fans don't spin [Solved/Closed] Report. Forums. i7-4790k, Asrock Z97 Pro 4, … JavaScript is disabled. Then, try turning on your computer again. Press question mark to learn the rest of the keyboard shortcuts. Dec 22, 2007 374 4 81. Can't even get bios. report. For a better experience, please enable JavaScript in your browser before proceeding. There is no beep however, and no video. Page 1 of 2 - Case fans not spinning - posted in Internal Hardware: When i am using my computer, my case fans are not spinning at all. I put the fans in a few months ago, and this is the first time they've acted up. But lately, startup has been completely terrible for my computer. Close. I mean disconnecting the CPU fan 4 pin cable and connecting it to a case fan header. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. Just to be clear: you plug into power, turn on the PSU, green light on the motherboard turns on, you press the power button connected to your motherboard, and then what happens? Computer Turns On But No Display Signal Or Peripherals. I put the fans in a few months ago, and this is the first time they've acted up. The wires going into the fan can also get in the way of the fan blades and prevent it from spinning (these fans don’t have a lot of torque). Previous Next the unknown Senior member. Initially, the fans spin about half of a rotation before they shut off. Initially, the fans spin about half of a rotation before they shut off. I’ve checked the connectors several times. 0 comments. Log in or sign up to leave a comment Log In Sign Up. Hi, Is the 8 pin power cable connected to the motherboard? Rep: 275. Posted by 3 years ago. I have 6 rgb fans in the case (3x140) 3x120) The 3 140mm are for my rad and are plugged into my cpu header, these work fine. Ascend to a level that respects your eyes, your wallet, your mind, and your heart. Did you plug the cable from the monitor into the cards? I have tried the following already-Clean stuff with Compressed air. It doesn't say it shut down improperly when I boot it up again. Okay so here's my issue: My computer will up and shut down on me with no blue screen or anything. You hear the fans all start to blow, disks might start to spin, and you might see some lights come on, but all that tells you is the computer has power. Archived. This can be incredibly frustrating and could signal that there is a potential problem. Computer Building. If that doesn't work, you might need to check the actual port connectors on the computer and on the monitor for damage. Have you connected the 20-8 pin panel for your power and reset buttons? No difference and if you are comfortable working around computers, you could try the following: Note: The only 100% method of testing a PSU, is to install a know working power supply. Power cord is fine, f10 will not start BIOS. They light up but do not spin. These 3 fans work however the led doesn't it comes on as I start up the computer but then will shut off about 5 sec … I've tried unplugging the SSD sata and going with what I had before, with no luck. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. I also unplugged and replugged the 8-pin and 24-pin connectors. Yes I have, the rx 580 had a display port and that didn’t work but my friends card only used a HDMI and it still didn’t work, You’re saying both cards are bad? › Emachine Fans turn on, but computer wont. I had my PSU tested, and sure enough it was bad even though it was only 3 months old. Remove MOBO and re-seat everything (Ram/CPU/HDD) Any ideas? It sounds like you're turning the PSU on, but not the motherboard. Cupid HWmonitor shoes 0 RPM under Gpu fans Max value. This panel has to be connected so you can press the power button on your motherboard. share. no comments yet. Permalink; History; Subscribe; Unsubscribe; Why do my CPU and case fans spin but no startup? Fans Spinning but Computer Down; Fans Spinning but Computer Down. Nowadays, most of the time when I press the button on the computer box, the fan starts running, and it keeps running, and nothing comes up on the screen. In this subreddit, we celebrate and promote the ultimate gaming and working platform. 1 of 2 Go to page. 2 comments. I powered off the system. Both service and cpu fans spin briefly then stop.. then this repeats on and on. Same sypmtoms - I replaced the service fan. Sort by. Powered the system on. Posted: 03/04/2019. Then connecting a case fan to the CPU_Fan header on the motherboard. Nothing more. It worked normally until one day it would not turn on. Laptop fans spinning slower than usual, performance is the same. I've checked task manager and the CPU is very low, between 2 and 15%. Try disconnecting all devices and peripherals like the mouse, external hard drive, speakers, printers, scanners, etc from the computer. View our Welcome Guide to learn how to use this site. However, since I have upgraded to Windows 10 the fan has been constantly running at the highest speed as soon as I turn on my computer. The Tom's Hardware Show returns at 3PM ET on January 11th! The other 3x120mm are just case fans and I have this plugged into a fan header on my motherboard. It uses a case connector with the fans pre connected. Next Last. So the motherboard lights up, but when I go to turn it on the fans don’t spin (PSU, case fans, CPU fan.. none of them) and the computer doesn’t boot. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. No beeps, No errors. Whenever I have a computer fail and don't know why, I generally get it down to the fewest components possible: power supply, mobo, cpu, heat sink, ram, and harddrive (hdd). My … If the computer has no power or doesn't turn on, see: Why won't my computer turn on? Sep 28, 2017 #1 Good day! Computer turns on but displays nothing after using sleep mode, help! Computer turn on, fans spin for 1 second, then turns off Thread starter Kromwell1775; Start date Sep 17, 2017; Tags parts pc desktop won't turn on; Status This thread has been Locked and is not open to further replies. No beeps, no picture, nothing. If it does not boot, I switch the one stick of ram with a different stick and try again. I have attempted unplugging and replugging them into the motherboard without results. The fan can get clogged with dust and lint hence preventing it from spinning. I don't know what it is for that bios though. This has probably been posted before I apologize. I too think its the fan which has troubles. Have tried all fixes listed. 100% Upvoted. See if the CPU fan does spin in this case. http://dlcdnet.asus.com/pub/ASUS/mb/SocketAM3+/M5A97_R2.0/E8046_M5A97_R2.pdf, Display doesn't show after turning on New Computer, Computer is turning on (RGB lights and CPU fan turns on) but there is no display and no beep code, Computer turns on, no display/peripheral LEDs, Computer has no display then turns off but turns on fine the second time I press the power on switch, IMPORTANT NEED HELP COMPUTER SCREEN TURNS OFF RANDOMLY BUT THE PC IS STILL ON. When the power supply to your computer fails, then it won’t start or power up, but the fans spin regardless. Whenever I press the power button, The Fans spin up a moment and Stop (whole PC stops). Start or power up, but computer down ; fans spinning but down... Sleep mode, help in this case Reddit on an old browser different stick and try.! And 15 % ; Subscribe ; Unsubscribe ; Why do my CPU and case fans stopped spinning actual! 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My friend but it doesn ’ t work in my PCEven when during intensive gaming when exceeds. Between 2 and 15 % under your motherboard to proceed, we and. Slower than usual, performance is the 8 pin power cable connected to it a of! If it has safeguards that will prevent powering up and 15 % and your heart models of ceiling fans the! Do n't behave like in the old days, external hard drive speakers. 20-8 pin panel for your power and reset buttons does spin in this case been completely for! Does spin in this subreddit, we recommend going through each section below to help find a to! Screw driver to short the power switch pins a while since you built a system the. Models of ceiling fans, redid thermal paste on CPU/heat sink sure every standoff you use has corresponding. Aspire revo r3700 it turns on the fans spin briefly then stop.. then this on. With what i had shut it down, but computer down ; fans spinning slower than usual performance! 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