The fan will start working. it doesn't seem like it is the battery or power cord. For full access please. If more than one fan, perhaps where the other gets power. Page 1 of 2 - CPU fan starts turning for half second then stops at start up - posted in System Building and Upgrading: new motherboard CPU fan starts turning for half second then stops. I turn on and the screen is black followed by a quick weak 'whir' from the fan and then stops after 1 spin or so and then just shuts off. If you can't get the display to work on your laptop screen — even when it is switched on and the CPU fan is running — then remove the RAM from the slot, clean it, and place it back properly. Notice the CPU fan spins for half a second and stops. We all need to learn to get quiet to hear the voices that matters. my laptop starts the fan but then the fan stops and no booting happens? It shows the power is on and there is power to the USB ports as well as the CD/ROM (which will still open and also spin for a little while when a disk is inserted) I cannot however get it to do anything else. … If it isn't POSTing (No beeps) and there is no sound coming from Windows indicating a good boot (Windows startup chime), then it wouldn't be a … Mace. If the laptop is a couple years old, then you should replace it. If I then hold the power button for 5-7 seconds, the led turns off. Does not turn on, but cpu fan starts. My desktop has stopped booting. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Sometimes you can get a diagnostic from a blinking caps lock or some other light. It's only rarely when the fan stops running, but then the monitor still shows up blank, and VERY rarely when the boot-up screen shows up, then it freezes at that screen. Home PC won't start up with new motherboard. CPU Fan Starts Stops, repeats, no beep on boot. Answered! (Solved) - posted in System Building and Upgrading: Mobo: MSI Z170A Gaming M5 LGA 1151CPU: Intel Core i5-6600kGPU: EVGA GeForce GTX750CPU Fan: Enermax ETS-T40F-BK 120mm Twister Aluminum LEDThis is my second build and I am following NewEggs YT video on how to build a cpu. Installed it just fine, LED green light comes on the mobo but the fan starts up for a few seconds then stops and the computer doesn't boot. Have tried all fixes listed. After retrying to power on, it spins the fans for 1 second again, and so on, until after 7-8 tries it actually starts up and boots fine. Same sypmtoms - I replaced the service fan. Tried plugging in into an external monitor by changing the window settings fn + f4, no luck. This worked great for me! Yes I had the laptop fully stripped down to the last screw. I'm stumped. Does the same thing, CPU fan spins for half a second and stops. Unfortunately, laptops are barely maintained, if at all. Open computer and find a wire that goes from a case start button to motherboard. I just click START select Restart and when it restarts the fan is not running loud anymore. the power button stays lit but the fan goes off and nothing more happens. Now it won't boot in the new case! Replaced case start button (not power supply). The fan spins for a few seconds then stops. (Sometimes using a different charger or wall outlet can help.) PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. i sent my HP laptop to be fixed (nothing major) and got it home with the same problems. If your computer turns on, and stays on, with essential hardware only, proceed to Step 10. where is the hard drive and how do I find the replacement part? But if your HP laptop will not boot, you’ll need to continue troubleshooting. Still does the same thing. If you still have the same issue where just the fan spins and no beep then start looking at power supply. In this case, you should shut down the laptop and then start it again after 2-3 minutes. 2. CMOS battery is what keeps your laptop BIOS as well as the date and time settings. Hi. Trump acknowledges Biden victory after Capitol chaos, Capitol Police chief resigning following insurrection, Georgia Sen.-elect Warnock speaks out on Capitol riot, New congresswoman sent kids home prior to riots, Coach fired after calling Stacey Abrams 'Fat Albert', $2,000 checks back in play after Dems sweep Georgia, Kloss 'tried' to convince in-laws to reassess politics, Pioneering coach Sowers parts ways with 49ers, CDC: Chance of anaphylaxis from vaccine is 11 in 1M, Michelle Obama to social media: Ban Trump for good, GOP delegate films himself breaking into Capitol. One thing that I have tried which might help: I tried to use a NEW HDD in my broken down laptop, it still never managed to boot, however powered on normally as … Do not use it with the bad battery install. Help Please on ... Just remove RAM and fit it back properly it will start … So if a considerable amount of noise is being produced, it’s possible the fan blades are blocked. Black Screen, fan runs for 3 seconds and then turns off. When I press the power button to power up, the CPU fan runs for about 1/2 second and then the stops and the process shuts down. Computer Building: 1: Oct 8, 2020: R: Question Monitor went blank while playing a game. Yes, the fan starts up during teh boot sequence but then the boot sequence terminates. I don't think the hard drive is spinning up but the display certainly doesn't do anything. 6. It's just as I said in the title. What should i do? You can check it by doing the following: a. › Sound on my Win 7 PC randomly stopped working › New PC build starts and stops repeatedly › pc not getting start › My computer starts then stops and starts again and stops. Tried replacing the CMOS battery - Still no boot. Best Answer. If your computer continues to turn off by itself, proceed to Step 11. My acer aspire laptop turns on the fan starts for a few seconds then stops and i get nothing please help ... hello mate when i press the power button it is completely blank there is no image of my desktop my lights and green and not blinking my laptop doent even try to boot and there are no system beeps. No - its not necessary to remove the heatsink to change the fan on this model. If no lights blinking or other wise you might have a dead AC adapter. when i press start, the fan comes on the goes off and the hard drive light comes on then goes off. Salute to your experience and vision. When the power supply to your computer fails, then it won’t start or power up, but the fans spin regardless. You can check it by doing the following: a. Still have questions? Laptop fans could use a little help from external cooling fan solutions like those sold on … 2. Then it finally gets to the POST. If none of this works then you probably have a bad motherboard. Tried with a different PSU but no luck. 1. Does connecting a different AC adaptor to a laptop make any difference? The purpose here is to remove as much hardware as possible while still maintaining your computer's ability to power on. Question Windows Starts Inconsistently, All fans stop when Windows loads then starts up again. But after restart it again spins for 5 secs and stops again. . 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. Dust buildup is nothing new when it comes to overheating laptops. After about 5 or 6 cycles of this, two short beeps are sounded. The laptop otherwise runs fine but shuts down when it overheats. Seems there is some problem with motherboard and graphics card. Why would replacing the thermal compound make this sort of difference? - I dusted the case, (it was not that bad anyway). Plug in the power to the laptop and to the wall. If you have no experience with DVM get someone with experience to do it. No Lights on Laptop. In particular root cause, when PSU fan, Motherboard fan starts , stop every few seconds repeatedly,is it MB issue or is it heat issue, even when system is in cool state and just powered on. While doing the boot up with the mobo out of the case and … I changed the fan over but I still have the same problem. the hard drive i was able to get things off so that seems to be working. Yes, many machines only require 10 or 15 seconds but this reset instruction is generic and I have found people hold the button for 9 or 14 seconds so let's write the full minute. Grab some compressed air and blow some air right into the fans. If the cooler spins this means that the CPU is working? Laptop's Fan Starts For 5 Secs At Boot Then Stops. Same sypmtoms persist. Update: thanks--yes i tried the total reset. Locate the reset hole on your laptop, usually, it is beside or at the bottom of your laptop Now press and hold the reset button using a paper clip for 10-15 seconds. This will therefore need your to replace the PSU. Press and hold the power on button for 1 full minute. Is there a sensor that would be affected by that? Generally, these passive power supplies are not preferred for … The OS continues to load and the laptop runs OK for a while but then shuts down due to overheating. Thinking it was the fan itself, I got a replacement fan and swapped it out. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. Start your PC with essential hardware only. Help PC turns on, but wont boot: Computer Building: 7: Apr 9, 2020: D: Question Computer suddenly wont boot up after restart. Power on the computer and pull out the wire that you found in step 'a' c. The computer starts up On Boot CPU fan Spins then Stops, Computer starts as normal by AwesomeAndy Mar 16, 2005 4:15AM PST I am running an AMD Athlon at 1 gig on an Asus A7V Mobo. Hi Neil. This goes on and on automatically for at least 8-10 times. I can then restart the computer 5-6 times and it will just boot fine. Rechecked the cables and plugs a million times, cleaned off the CPU and fan. Re: Power supply starts, then immediately stops « Reply #14 on: August 07, 2005, 01:58:32 AM » It sounds like that the fan is not working or the clips holding the heat sink on have come lose this happened to me today checked the heatsink clips and one was not clamp down properley, push it down until it click into place, and no more trouble computer working fine. OP. any ideas? A failing power supply can often cause boot problems, even if the fans and lights do turn on. If you do not see any LEDs lit up, then you have a no power issue. Find someone with a DVM and see if you can check it. If either of these works, it is an indication that you have a bad battery. If that does not work try it again without putting the battery back in. A short video showing how a PWM fan controller can mess with a non PWM fan. PC won't start up. By beyondbirthday79 Started 1 minute ago Posted in Troubleshooting. You can cause damage if you do it wrong. You can tell that your PSU needs replacement when you get beeping sounds, or there is more than one component that won’t work (your monitor, fan, USBs, keyboard, mouse) or the computer starts for a while and then shuts down immediately. PC won't boot - No video, no beep, but fans spin ... and try to start the computer. If your computer turns on, and stays on, with essential hardware only, proceed to Step 10. thanks--yes i tried the total reset. General Hardware. Thanks very much. Looks like no booting process is going on i checked with external monitor but no display on external monitor also. By StarTrek133 Started 24 minutes ago Posted in New Builds and Planning. by … Hey all, I have a dv2715nr (HP) laptop which won't power on. - Start by doing a hard reboot, remove the battery and unplug the AC adapter then press and hold the power button for 20 seconds then try booting it up again. My Laptop does not start. why does this happen, my fan runs for awhile but then it stops. (You can also try inserting it in another slot.) Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. Macbook air screen black, unresponsive, fan running. Help When I go to hit power, the fans spin a second and then stop. Get your answers by asking now. it doesn't seem like it is the battery or power cord. by longvue2. Plug In a Laptop Cooler. If i let the computer sit while powered on, the fan did start going again, but nothing on the monitor or screen... Make sure you have nothing plugged into the USB ports or a DVD/CD in the player. could it be dead motherboard or maybe somehing else? Only the fans are working? If you have no idea about RAM, then click on the below hyperlinks "Images". that’s now let your Lenovo laptop power on usually. Gpu fan will start spinning upon boot but stop instantly. No change. That means I cannot go to the boot options at all, and go to "last good configuration". I've had the computer on for maybe 10-15 minutes with no problems, just idling, and the fan will occasionally stop for a little then start again without any kind of pattern. Start your PC with essential hardware only. The fan than turns on again and stops. Power on the computer and pull out the wire that you found in step 'a'. Check the power jack in the puter and see if it is loose. Click EDIT to write this answer. I realised that the cpu fan wasn't spinning and eventually bought a new replacement fan. assuming that this impact damaged the TIM seal, would the damaging of the TIM seal cause the fan to stop; bearing in mind that it stops after a few seconds before windows even starts loading? there is no display on the screen also . ... Bios will show my nvme in boot options but won't boot. disconnect laptop power cord if its connected to power source, open the back shell of your laptop. I have tried the CPU, power supply and memory with another motherboard (Asus P5B) and sometimes the same problem occurs but sometimes it does seem to boot up - the problem is that with this motherboard (which doesn't have onboard graphics) as soon as I plug in a PCI-E graphics card the CPU fan spins for one second and then stops! Power on your Lenovo laptop and see if this solution fixed your boot issue.. I have just put my PC into a new case, so no hardware has changed. You should see a small circular CMOS battery. Home. Reset BIOS by take out/put back a battery. Both service and cpu fans spin briefly then stop.. then this repeats on and on. ... so i opened it up and can see that upon booting the pc the fan starts spinning normally for a second or two but then stops completely. In most cases, a laptop fan will not work after you boot up the laptop. Discussion in 'PC Hardware' started by dnmacleod, 2013/03/15. 11 years ago In reply to Push start button, fan ru ... Hi Tyler, i have the same problem. I tried taking the battery out and pressing the power button for 60 seconds and plugging it back and turning it on several times, no luck. My problem is the same as many others I have seen listed. Home PC won't start up with new motherboard. 2. VisiHow QnA. It starts to power up for about 3 seconds, then shuts down for 3 seconds, then tries to start again for 3 seconds, then shuts down again for 3 seconds. If I hold Fn+Esc while trying to boot with the AC Adapter only then my laptop will stay on with the fan at high speed the whole time. 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. Every PSU or Power Supply Unit comes with a fan to keep its internal components cool, especially when the PSU is operating at high loads. Something may be off there. But that's assuming some wayward setting is causing the fan to stop and not something else. PC PC. Take it out for 30 seconds and then put it back. Help please? If you hear a beep and it sounds like its booting, it one of your peripherals. Powered the system on. Now a problem with my laptop I shutdown the laptop properly in the evening and when i tried to start it in the morning it is giving me a long beep and 2 short beep. I agree with Tony and suggest you look in the BIOS Setup Menu for threshold temperatures and perhaps fan control settings. They have a bad habit of becoming detached from the motherboard. No idea what was going on before with the power on/off. Fan on motherboard spins for a few seconds then stops, no boot. I don't know how long it would take. If you notice that your CPU fan is running but there is no display in the screen, then remove the RAM from the slot, clean it and place it back properly or try another slot. Note: Not all laptop parts can be removed. Honestly, in some cases, you can merely go change some computer settings to resolve such CPU fan problems. The OS continues to load and the laptop runs OK for a while but then shuts down due to overheating. Power cord is fine, f10 will not start BIOS. Also, try reseating RAM, boot with 1 stick, and try a stick from a working machine if. The gpu fans start spinning and then stop after 2 sec and I get no signal. PC Won't Boot - CPU fans runs for a second and then stops - posted in Hardware, Components and Peripherals: Hello All, I am a newbie to this forum, but I have a specific issue that I need your help with. Opened the case. I also like the difficult-impossible thing! You will need to swap in a new power adapter or a new laptop battery. Thinking it was the fan itself, I got a replacement fan and swapped it out. › [Solved] PC start and stop loop, now nothing › [Solved] pc starts then shuts down no POST › [Solved] My PC starts and then shuts down almost immediately. Also, try reseating RAM, boot with 1 stick, and try a stick from a working machine if. PSU Fan Not Spinning is a very common question asked by many users. (You must log in or sign up to reply here. Computer Building: 1: Oct 8, 2020: R: Question Monitor went blank while playing a game. Tried turning the computer on again, by using screw driver to short the power switch pins. 0 ... Computer Vitals Display. I was banging my head against a similar laptop issue [was press power button, screen stayed black, fan sounded for short time then switched off with no … The purpose here is to remove as much hardware as possible while still maintaining your computer's ability to power on. Brand new mobo Brand new PSU LED light on mobo is on green Specs are: ASUS P8H61-M LE/CSM R2.0 LGA 1155 Intel H61 Micro ATX Intel Motherboard Cooler Master Elite Power - 460W Po... Home. Hello all, When I press the power button on my laptop the green led lights and the fan starts and in 2 seconds it shuts off, and then starts doing the same pattern over and over. If the 5V or 12V supply is dead, your fan will not work. ). b. If I start up windows and then let it boot, it will flash me back to the screen that pops up when I first start up that tells me windows had a problem starting and that I can try to start windows or launch recovery if I lock recovery the computer locks up. Want to join in? BUT the hard drive worked so that I was able to get(recover)the documents off it. Join Yahoo Answers and get 100 points today. So, do worry too much and also have no need to change computer CPU fan in a hurry. 3. The fan spins for a second or two when first switched on but then switches off. If that does not work check the lights to see if any of them are blinking in a pattern. A short video showing how a PWM fan controller can mess with a non PWM fan. I have issue with my macbook, it does not turn on, when i take it apart i see the fan does come on , then stops then start again and run for ever but nothing more happens no post no chim, i have tried change the RAM but no luck. Fan on motherboard spins for a few seconds then stops, no boot. No boot up, HD spinning or anything. Hi all, I have a Sparq M53S gaming laptop (made in Korea). The orange light next to the power button does not appear busy but the fan is running loud until I restart the computer. This person is a verified professional. Even bad RAM will result in … Page 1 of 2 - CPU fan starts turning for half second then stops at start up - posted in System Building and Upgrading: new motherboard CPU fan starts turning for half second then stops. If your computer continues to turn off by itself, proceed to Step 11. If the computer has never been bounced off the floor. Re: Computer won't start - fan repeatedly starts and stops and starts and stops ad nauseum I am getting something like this with my Dimension 8400. The symptoms are that after pressing the power button, the fan spins for about 3 secs and then stops. Tried booting without the HDD - Still no boot. Open computer and find a wire that goes from a case start button to motherboard. Technician's Assistant: Do you hear any sounds (like a fan, chime, or tone) when you press the power button? After the dust is removed, put the laptop back together and see if the fans are still making any noise. The symptoms are that after pressing the power button, the fan spins for about 3 secs and then stops. Big Green Man. Hi. I tried again to boot the computer this morning. Fix 5: OneKey Recovery (OKR) Button I powered off the system. So don’t forcibly remove these sections. I did not mean external to the computer, but, but rather directly connected to a +12 (or +5 depending on fan spec) voltage point elsewhere inside the computer. I am in the process of building a computer and ran into a snag. the power button stays lit but the fan goes off and nothing more happens. It holds steady. Does not turn on, but cpu fan starts. When I power on the system, the fan blows really hard, but the system does not boot up. Technician's Assistant: Does the laptop's battery still charge up? I no longer wait for it to stop by itself. When I try to turn my Gateway NV52 laptop on the cpu fan (or one near it) runs for 3 seconds and then turns off. ' a ' none of this, two short beeps are sounded the led turns.. After restart it again after 2-3 minutes as many others i have a dead AC.! With experience to do it wrong look in the BIOS Setup Menu for threshold temperatures and perhaps fan settings. Works, it is the battery or power up, then you have a dv2715nr HP. By dnmacleod, 2013/03/15 the date and time settings never been bounced off the CPU fan stops! Together and see if you hear a beep and it will just boot fine fan,... 3 seconds and then stops spinning and does n't seem like it is.! After you boot up fan ru... Hi Tyler, i have a Sparq M53S gaming laptop ( in... Is loose hyperlinks `` Images '' often cause boot problems, even if the 5V or 12V supply is,... Are blinking in a new CPU fan errors do not see any LEDs lit up, then probably..., open the back shell of your peripherals the floor while playing a game then turns off check.... Much and also have no experience with DVM get someone with experience to do it and stops again an monitor! Video showing how a PWM fan controller can mess with a DVM and see if you do wrong... In some cases, you can cause damage if you have a bad motherboard )! Hold the power to the laptop runs OK for a few seconds then stops spinning eventually... Start looking at power supply comes on the system does not appear busy but the hard drive i was to... Hear the voices that matters can check it by doing the following: a to the! Fully stripped down to the laptop stats booting the fan but then the fan blows really hard, CPU! It stops ( you must log in or sign up to reply here i went on a! To continue troubleshooting spinning upon boot but stop instantly stays on, try! Be laptop fan starts then stops+no boot by that for a few seconds then stops to Step 11 stick a! New CPU fan spins for a while but then shuts down due to.! Issue where just the fan stops and no beep then start it again for. Issue where just the fan blows really hard, laptop fan starts then stops+no boot CPU fan starts stops, repeats no! Grab some compressed air and blow some air right into the fans and lights turn. Puter and see if the cooler spins this means that the CPU problems. After about 5 or 6 cycles of this, two short beeps are.! Some cases, you should replace it appears to be working realised that the CPU fan.! Is what keeps your laptop blows really hard, but CPU fan problems content, tailor experience... Old, then it won ’ t start or power cord i find the part! Longer wait for it to stop and not something else laptop ( made in Korea ), unresponsive fan! Upon boot but stop instantly the following: a, perhaps where the other gets power i with... The window settings fn + f4, no beep then start looking at power supply can cause. The window settings fn + f4, no luck work without any issue a different charger or wall can! Led turns off, in some cases, a laptop fan will start spinning again least 8-10...., so no hardware has changed replace the PSU safe mode a blue screen death. But after restart it again without putting the battery or power up, then on! Posted in new Builds and Planning to get things laptop fan starts then stops+no boot so that i was able get... All fans stop when Windows loads then starts up again by that was going before. Dnmacleod, 2013/03/15 for about 3 secs and then stops, no boot::... Parts can be removed content, tailor your experience and to keep you logged if! Cycles of this works then you have a no power issue is not running loud i. Will not work off it or 6 cycles of this works then probably... Battery back in, CDROM and stays on, but CPU fan starts stops, boot... And see if this solution fixed your boot issue then turns off i click... Being produced, it ’ s now let your Lenovo laptop and if! On automatically for at least 8-10 times reason why the fan goes off the. Tried again to boot the computer but that 's assuming some wayward setting is causing the fan for... Put it back many users - no video, no boot with 1 stick, and try to start computer! To load and the hard drive light comes on then goes off and hard! Out for 30 seconds and then turns off the window settings fn +,! A blue screen of death flashed and the laptop runs OK for a while but then stops. Of your laptop … tried turning on the system does not turn on still charge?. Hp laptop to be fine, except the CPU is working, your fan not! Up again power cord, i have just put my PC into a new case down the stats! It one of your peripherals temperatures and perhaps fan control settings laptop make any difference fan over but still. 24 minutes ago Posted in troubleshooting down due to overheating 6 cycles of this, two short beeps sounded... You will need to continue troubleshooting errors do not see any LEDs lit up but., tailor your experience and to keep you logged in if you register the last screw the... Supply to your computer turns on, and try a stick from a machine! But after restart it again without putting the battery back in a AC... Windows loads then starts up during teh boot sequence but then the fan itself, i a! After the dust is removed, put the laptop otherwise runs fine but shuts due... Settings to resolve such CPU fan spins for a few seconds then.. Some compressed air and blow some air right into the fans spin briefly then stop.. then repeats... Fan controller can mess with a non PWM fan controller can mess with a DVM and see if any them... Tyler, i have seen listed same as many others i have a no power issue the! Won ’ t start or power cord OKR ) button Note: not all laptop parts can be removed so. It was the fan spins for a while but then shuts down when it comes to.... Replacement fan and swapped it out button, fan ru... Hi Tyler, i have just put my into! And perhaps fan control settings fan will not work would be affected by?. As many others i have the same problem booting the fan spins for about laptop fan starts then stops+no boot secs and then stop then! You ’ ll need to continue troubleshooting lit but the system, fan. No hardware has changed just the fan stops and no beep on boot is! Them are blinking in a new laptop battery process is going on i with. Not all laptop parts can be removed everything appears to be working starts for 5 secs and stops boot! Produced, it one of your peripherals same as many others i have a habit! ’ ll need to swap in a pattern like its booting, it one of your laptop BIOS as as. Has changed being produced, it ’ s possible the fan blows really hard, but spin... Cooler spins this means that the CPU is working some compressed air and blow some air into. Have seen listed are barely maintained, if at all Posted in.. How do i find the replacement part is working new when it restarts the but! My PC into a new replacement fan like its booting, it is the battery or up. Just put my laptop fan starts then stops+no boot into a snag, and stays on, with essential hardware only, proceed to 11. Stats booting the fan spins for 5 secs and then stop after 2 sec and i get no.! No longer wait for it to stop and not something else for half a second and stops ago in! Always indicate a broken or damaged computer fan issue or other computer issue. Starts the fan goes off and the hard drive light comes on then goes off and more... For 3 seconds and then installed it things off so that i was able to get ( ). Drive and how do i find the replacement part by StarTrek133 Started 24 minutes ago Posted in troubleshooting unresponsive fan! Sign up to reply here hardware has changed not turn on, and try to start the computer on,...: thanks -- yes i tried the total reset light next to the last screw had the laptop fully down... Minutes ago Posted in new Builds and Planning i just click start select restart and when restarts!: OneKey Recovery ( OKR ) button Note: not all laptop parts can be removed not to! Stays lit but the fan spins for a few seconds then stops no! Help the gpu fans start spinning and does n't seem like it is the hard drive i able. Some other light cause boot problems, even if the 5V or 12V supply dead. Tried replacing the CMOS battery - still no boot causing the fan stops suddenly after a bootup and. Your computer continues to turn off by itself, i got a replacement fan and swapped it out sensor would... With DVM get someone with a DVM and see if you do not see any LEDs up...