PC Won’t Start After Moving—Could It Be the Motherboard?
I recently moved my PC, and now it won't power on. When I switch on the PSU, the motherboard RGB briefly lights up and the CPU AIO display…
no power
B650I Nightdevil Won’t Power On Without RAM—How Should I Connect the Front-Panel Cables?
I'm building a system with a B650I Nightdevil motherboard and have installed everything except the RAM. When I try to turn it on, nothing happens—not even the fans…
PC Won’t Power On After Sleep, Even Though the PSU Passes the Test
My PC suddenly became completely unresponsive after I put it to sleep. When I came back, pressing the power button did nothing—no fans, lights, or other signs of…
PC Completely Dead With No Fans or LEDs—How Can I Diagnose the Fault?
I bought this PC secondhand about a month ago. It worked normally after I replaced the RAM, but now pressing the power button produces absolutely no response: no…
MSI B550I motherboard shows no signs of power during an out-of-case test
I'm having a frustrating time with repeated motherboard RMAs. I recently received an MSI B550I Edge WiFi replacement, but it shows no lights or other signs of life…
PC Has No Power at All After Multiple Motherboard and PSU Replacements
My PC suddenly stopped showing any signs of power—no fans, lights, or motherboard LEDs. Earlier this year, I replaced the motherboard, RAM, CPU, and CPU cooler, while keeping…
No Power After Installing a Great Wall 1250W PSU
I'm upgrading my PC from a 650W power supply to a Great Wall 1250W unit. The new PSU uses a round, nonstandard-looking wall power connector, and the seller…
HP Desktop Won’t Power On—No Lights or Response
I'm trying to use an older HP desktop computer from around 2007, but it won't power on at all. Pressing the computer's power button produces no lights, sounds,…
New PC Build Shows No Signs of Powering On
I'm putting together a PC using mostly new components, with the AIO cooler and graphics card reused from another system. When I press the power button, absolutely nothing…
HP 15-FC-1004AU Suddenly Lost Power After Freezes and 90B Fan Errors
My HP 15-FC-1004AU laptop has developed several problems that may be related. It has an AMD Ryzen 5 7000-series processor, integrated Radeon graphics, 8 GB of DDR5 memory,…
Newly Built PC Has Power but Won’t Start or Show Any Signs of Life
I recently assembled a PC with an Intel i5-14600K, an RTX 3060 12GB, 48GB of DDR5-6000 memory using two 24GB sticks, and a Gigabyte Z790 Eagle AX motherboard.…
Newly Built PC Has Power but Won’t Start or Show Any Signs of Life
I recently assembled a PC using an Intel i5-14600K, an RTX 3060 12GB, 48GB of DDR5-6000 memory in two 24GB sticks, and a Gigabyte Z790 Eagle AX motherboard.…
Gaming PC Suddenly Has No Power or Signs of Life
My gaming PC worked normally for several hours last night, then was shut down and left untouched. This morning it showed absolutely no signs of power: no fans,…
Desktop PC Completely Dead After a Month Unused—What Should I Test First?
My desktop was working normally, but it sat unused for about a month while I was studying. It was covered during that time and does not appear unusually…
Need Help with My TUF B650 Plus: No Power at All!
Hey everyone! I'm building a PC with a TUF B650 Plus motherboard and a Ryzen 7 9800X3D CPU. When I first tried to power it up, absolutely nothing…
First PC Build Troubles: No Power After a Possible Short
Hey there! I'm building my first PC and followed a Linus Tech Tips video for guidance. While testing my motherboard, GPU, cooler, and power supply outside the case,…