PC Shuts Off Immediately Before Posting—Should I Replace the PSU or Start a New Build?
My older PC suddenly started powering on for about a second and then shutting off without ever reaching POST. I tested it with the motherboard removed from the…
PSU failure
PC powers on for a moment, then shuts off with RAM and PSU warning LEDs
My custom-built computer suddenly stopped starting after working normally the night before. When I press the power button, the fans and most lighting turn on for about half…
My PC’s 24-pin connector caught fire after moving from 230V to 110V—what could be damaged?
I built a secondary PC in 2020 with a Ryzen 5 3600, Gigabyte A320M-H motherboard, Cooler Master 650W 230V PSU, and later added an RTX 4060. After moving…
Computer powers on briefly, then shuts off with RAM and PSU warning lights
My home-built PC suddenly stopped starting after working normally the night before. When I press the power button, the fans and most lights come on for about half…
Is it safe to reuse my PC after the power supply popped and tripped the breaker?
My PC suddenly lost power while I was gaming, then the power supply made a loud pop and threw sparks. I shut it off immediately, unplugged it, and…
PC Shuts Down After About an Hour Even Though Temperatures Are Normal
For the past few days, my PC has been powering off unexpectedly after roughly an hour of use, whether I'm playing a game or simply sitting at the…
PC freezes after startup and shows motherboard debug lights—how can I diagnose it?
My PC first started having problems while I was gaming. It began lagging, then the display froze, although Discord continued working. After shutting it down with the power…
PC Suddenly Shuts Down and Won’t Restart Until the PSU Is Switched Off
My PC suddenly powers off without warning, almost like a blackout. It happens while idling, editing lightly, or watching Netflix, and the CPU, GPU, motherboard temperatures, and reported…
PC Won’t Turn On After Sleep—Could the Power Supply Have Failed?
I bought a prebuilt gaming PC roughly three to five years ago, but I don't remember most of its components. The graphics card is an EVGA GeForce RTX…
My Gaming PC Suddenly Won’t Turn On—Could the PSU Have Failed?
I have a prebuilt gaming PC with a Ryzen 7 9800X3D, an RTX 5070 Ti, and an X670 motherboard. It was shut down but still plugged in, and…
PC abruptly shuts down and won’t restart until I toggle the PSU switch
My PC suddenly powers off as if the electricity was cut, even while idle, doing light editing, or playing Netflix. CPU, GPU, motherboard temperatures, and software-reported voltages look…
My 9800X3D and RTX 5070 Ti PC suddenly lost power—could the PSU have failed?
My recently purchased prebuilt PC has a Ryzen 7 9800X3D, an RTX 5070 Ti, and an X670 motherboard. It was shut down but still plugged in while I…
PC Shut Down During Gaming and Now Only the RGB Lights Work
My PC suddenly powered off while I was playing Aniimo, and now it won't start again. The case RGB still lights up, but pressing the power button does…
PC Won’t Power On and the Fans Don’t Spin
I'm troubleshooting an older PC that shows no signs of starting: the fans do not spin and it does not appear to reach POST. I've already tried reconnecting…
PC Suddenly Died and Now Only the Fans Spin—How Do I Identify the Failed Part?
My PC shut off unexpectedly while I was gaming. The case fans continued spinning, but there was no display, no POST, and pressing the power button would not…
PC Suddenly Lost Power and Now Only the Fans Spin—How Do I Diagnose It?
My PC shut off suddenly while I was gaming. The case fans continued spinning, but there was no display, no POST, and holding the power button would not…
PC Powers Off During Gaming Under Load Despite Normal Temperatures
My PC shuts down completely whenever I play games or otherwise put the system under heavy CPU and GPU load. It works normally for browsing and other light…
PC Only Flickers Briefly When I Press the Power Button—Could the PSU or a Short Be the Problem?
My custom-built PC worked normally until today. When I press the power button, the fans or case lighting briefly flicker, but the system does not start. Before this…
My PSU’s 12V rail briefly drops to 7V—could it damage my GPU?
I've been getting frequent black screens even after checking the cables and reseating the graphics card. I measured the PSU's 12V rail with a multimeter and saw it…
PC hard-freezes when launching games, then runs normally after a few minutes
For the past two weeks, my PC has been completely freezing when I start a game, usually within 2–5 minutes of booting. Oddly, if it gets past that…