The power supply AND motherboard are brand new. Without this … mother board light on. I have tried everything in HP online steps. Whenever I press the power button the fans all spin, four lights turn on and stay lit on the motherboard but the PC doesn't actually start. Power supplies can appear to still be functioning, as the power supply fan may still run, as well as the CPU fan and any lights that you might have on your computer. They bought these two items maybe a couple of weeks ago. However, my CPU wouldn’t turn on. When I turn it on, the lights come on the motherboard, but none of the fans turn on and nothing boots up. Hi all, i was passed a packard bell x2414 the other day as it failed to power up. Still no power button or anything else. The problem is when we hit the power button, the board lights up, the cpu, power supply fans spin. I replaced the motherboard but the problem still presists. There is no beep however, and no video. I don't know what to do, I was hoping someone could help me. Fiddled around with things for a while and realized if I left my PSU unplugged for about 5 mins and then plugged it back in, the onboard power button on the motherboard would glow, but as soon as you touch it, it would go black again. By 'dead' I mean that the motherboard does not respond to input from the front panel power button (i.e., when you press it, no fans spin up, etc.). No case power button connection The power button on a computer’s case connects to the motherboard through a small, thin two-pin wire. I even purchased new RAM & a power supply. I think it POSTed correctly, my GPU fans spin but no video signal or power to USB ports. No Light in the motherboard, no power light, fan is not spinning, no display but when i plugin the adopter, there is little heat from the motherboard. You should get a beep code that tells you there is no memory. On power up, I get the fans (psu, processor, chassis) and external lights but nothing on the screen, no BIOS, no boot, no beeps. new motherboard - no power up. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). Motherboard won't power up, but power supply seems fine - Update [fixed] ... but no dice. Hello everyone. I was attempting to install a new GPU into my already working system until I flipped the power switch and pressed the power button and nothing happened. I can't switch on my computer. The main reason was He was using the wrong screws for the motherboard standoffs. If I hit the power button, same results. but no signal is sent to the screen. i have quite knowledge in hardware, so please help me if you have face same problems. A while ago my pc randomly crashed while I was playing a video game and refused to respond to the power button so I did the PSU test and the PSU was fine so I purchased a new motherboard and recently put it back together but the computer still won't start, the motherboards "sb_pwer" led lights up but when I press the power button nothing happens, I purchased a power … • Now add one stick of memory in Slot A1 and power on. Motherboard RGB lights up but PC won't turn on Motherboard RGB lights up but PC won't turn on. Spec list: ASUS M5A97 R2.0 Motherboard AMD FX8350 16 Gigs of Crucial brand DDR3 RAM (2 DIMMS) Seagate 550W power supply I was adamant that it was the motherboard but, I ordered one, put it in the case and installed everything; same outcome; lights, fans, but no boot. RE: No power activity on a Dell Optiplex 390 Jump to solution Hi, when i put the powercord into a Optiplex 390 the orange light on the motherboard lights up and the power button starts to blink orange. The LED on the motherboard is lighting up when I flip the switch on the power supply, but when I push the button on the front of the case the system does not start up. I've got the POST test card now and some of the lights stay lit on it but it doesn't seem to show any codes just four lines in the led display where the codes are meant to be. Replace your power supply immediately if it fails any test you perform. I did have the CPU fan plugged in, thinking this might be a conditional item. GIGABYTE GA-78LMT-S2PT rev 4.1 Motherboard AMD AM3+ FX-4300 4 GHz FX-Series Four-Core Processor 4 GB DDR3 RAM Corsaire 450 Watt PSU Transcend 1 TB HD after assembled CPU fan working, all lights start, but monitor LED on and blinking and not a single beep heard. I removed the battery using a flathead, checked the voltage and it seemed slightly down (2.5V instead of 3V). Currently, only the CPU and water cooler are attached. The motherboard also won't cut back on if it's turned off for more than a min or two. Method 3. Here's my specs: AMD Ryzen 7 1700; ASUS Prime X370-Pro; Gainward … The power comes on, I get lights and fans but that's it. Building a computer out of old and new parts. After unplugging everything and waiting a couple hours, I turned on my power supply and now I have RGB lighting on my motherboard and also a red status Led for the CPU. components: graphics card: Geforce 660TI power supply: 2x series 1250W CPU: Intel Core i7-5820K Haswell-E 6-Core 3.3 GHz LGA cooling unit: DEEPCOOL Gamer Storm Nothing happens on the screen. This just gets better and better! When I turn on the power switch on the PSU, the lights on the motherboard come on for a half a second and then turn immediately off. No cooling fan spinning. This is good, it means the processor is functioning and the motherboard is good so far. There is no beep sound, all fans are turning on. The PSU tends to cause more problems than any other hardware and is often the cause of a computer's components to work selectively or intermittently. I tried holding the power button pressed for 1 minute while power cable removed but no avail. Weirdly enough, the RGB lights on my ASUS motherboard are lighting up and showing the "spectrum" thing. (You might be interested in this post: What is a Power Supply Voltage Switch?) When I tried to wake up the PC I get no power supply fans no CPU fan no case fans but there is a green light on the motherboard. There were actually TWO things preventing it from turning on. But just because these parts activate, it doesn’t mean the power supply is supplying enough juice to the motherboard … My keyboard lights don't flash or light up. No fans, no lights. hard disk as well. Got a rather sneaky issue here. Up to now I have had no problems with it, but it now wont power up. So, my PC was working fine a few days ago until now, I have a dead motherboard??? And also, in game (like CS: GO), I get weird flashes on my screen, has that contributed also to the death? • The motherboard should start beeping. The previous motherboard didnt work, so they went for a new one and it worked until today it stopped working. The charger has a green light on it but there are no lights on the laptop at all, and pushing the power button does nothing. No ram identified. no gpu (unless ther is no onboard gpu), no other cards power supply 24 and 4/4+4 power button pc speaker/buzzer keyboard monitor reset bios via the jumper and try again nothing else no drives, no other usb devices i tried to reset jumper, i have tried it to run it without the speakers, keyboard monitor and gpu and didnt work. The fans would spin but nothing else. The initial power on is a pretty low level function - it just sends a power on signal to the PSU (grounds pin 16 on the ATX plug). I have no clue what else it can be. ive tested the power supply using an antec power tester and get no errors so that counts out the PSU. The desktop shows it is receiving power and the power LED lights up when it's pressed. this happen because i change the processor and put a new one. Most motherboards have an LED on the board itself that lights up even before the power button is pressed, in my case that LED was lighting up as expected. Problem is: Pressing the power button does absolutely nothing. Should I try to test the motherboard on its box? I get no qled indicators turning on which were working before. I mean that the fans don't spin at all, but when the power supply is flicked to on a light on the motherboard turns on but the power button does nothing* Edit 2: We resolved the issue today. No fans spinning up, no pump pumping, no POST, nothing. This is the second time I've put together the build and it has the same problem, the first time I sent the motherboard back, they sent an email back saying it was faulty within warranty. Tonight I will try to strip it down and start one peice at a time to find the problem. This is good. RBG Lights turn on, Motherboard does not No post, no power, no fans, no boot, nothing. The desktop still does not boot. i am in problem. The CPU_READY LED is green, the various RGB colors are changing, but no matter what I can't get the power … Just because your computer's fans and lights are working doesn't mean that the power supply is functioning properly. The fans actually go crazy, spinning at full force. (3ghz to 2.2ghz dual core) i put the old one again, but same thing happen. More beeping: "no video card" beep code. PC build won't power on at all, no lights, no fans. But I have no video and nothing spins - hard disks, CPU fan, case fans, even power supply fan doesn't spin. Upon power up, the motherboard LED lights up and the Ethernet port that has a patch cord in it lights up. I just built my first custom loop watercooled PC. I took it to a computer repair shop & they said I needed a new motherboard. The motherboard would light up meaning no issue with the power cable and unit. I have tried removing the Graphics card the HD so far. Verify that the power supply voltage switch is set correctly. Page 1 of 2 - Dell Inspiron 15 won't power up (Resolved) - posted in Hardware, Components and Peripherals: Hi, I have a 14 month old Dell Insiron 15-3521 laptop running Windows 8. FYI - I have unplugged every external device, nothing. The issue was with the CMOS. If the input voltage for the power supply is not correct (based on your country), your computer turns on but no display on monitor or keyboard. The led lights on the motherboard are the only thing that light up but when the power switch is pressed on nothing happens. 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