Used PC Shows Power but Won’t Start—What Should I Check?
I bought a used desktop computer and connected it to power, a monitor, and Ethernet. A small light beside the Ethernet port comes on, so the system appears…
PC power issue
PC Completely Dead After Surge Protector Was Switched Off
My dad accidentally switched off the surge protector while plugging in another device a few days ago. I switched it back on, but my PC has been completely…
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…
PC Powers On for One Second Then Shuts Off—Could the Motherboard Have an Intermittent Fault?
My PC randomly powers on for about one second and then immediately shuts down. It worked normally for roughly a month, suddenly stopped, then came back after sitting…
PC Tower Won’t Power On Even Though the Outlet Works
I recently got a PC from a friend and had already seen it working. I also took it to a repair shop, where it powered on and booted…
HP Desktop Has No Signs of Power—What Should I Check?
My family has an older HP desktop computer that I occasionally use. It worked before, but now pressing the computer's power button does absolutely nothing—no lights, sounds, or…
Why does my PC only fail to start after I bring it home?
My nearly 10-year-old Acer desktop has an intermittent startup problem. After being transported or after I turn the UPS back on, pressing the power button may do nothing…
PC Suddenly Shut Off and Won’t Power Back On—Could the PSU Be Dead?
I'm new to building and troubleshooting computers, so I'm not sure where to start. My system has a GeForce RTX 4070, a Helios P1 650W power supply, 32GB…
PC Shuts Down After 2–3 Seconds With Any GPU Installed
I replaced my working Radeon 6700 XT with a new 9070 XT, and afterward the PC would power on for only two or three seconds before shutting off.…
Help! My PC Suddenly Won't Start Properly
Yesterday, while I was enjoying some Battlefield 1, my PC just powered off unexpectedly. Now, every time I try to turn it on, the fans spin for a…