Random restarts after installing a new motherboard (MSI PRO B550M-VC WIFI)
Random restarts after installing a new motherboard (MSI PRO B550M-VC WIFI)
I usually choose a PSU based on its ability to handle 50-65% of the steady-state usage. If the total normal load across all parts is between 500-650W, I opt for a 1000W unit. This avoids some issues like sudden spikes in power demand, which were common with high-end cards such as the RX 6000 and RTX 3000 series. It also keeps the PSU within its optimal efficiency zone. While faulty parts do happen—often dozens over time—I mostly encounter random restarts due to hardware glitches. Running tests on lower TDP configurations for key components like CPU and GPU can help rule out those as causes. If the system won’t power on with a 500W unit, it’s likely the 650W model is defective, aside from rare motherboard/CPU/GPU problems. Beforehand, tools like HWinfo64 can reveal PSU rail voltages, helping identify faults. These measurements often provide valuable data when troubleshooting random restarts. Some behavior differences also depend on the hardware, such as how a monitor reacts when disconnected. I also note issues with USB devices or ports, where intermittent drops can lead to restarts.
I'm constantly sending a lot of things your way, but I also advised them to move the motherboard outside the case. It powered up.
Data pin short circuits aren't caused by overcurrent. A monitor won't shut down on its own, and it won't get any input. It's a huge waste of money. The importance of quality goes beyond just wattage. Quality is still crucial, unless you're choosing an extremely inefficient power supply. Efficiency differences between peak performance levels are only about 2 to 3 percent at full capacity. You're unlikely to recoup your investment by overspeccing a PSU for efficiency reasons throughout its lifespan.
I've experienced Ryzen systems failing to start because no keyboard was detected. If you disconnected everything except the power supplies and didn't plug in cables, it’s probably not a PSU problem under these conditions. -Disconnect all extra motherboard connectors such as front USB, I’ve noticed this with faulty ports. The power button header can be easily activated with a screwdriver. -Insufficient ground from the wall. Try using an outlet in another room, preferably not sharing the same circuit breaker. -Poor grounding inside the case. Disassemble carefully, placing the motherboard on a higher surface like its box, but watch out for the GTX 1650 popping out if the rear PCIe bracket isn’t free. I can suggest more options soon.