Desktop turns on for a few seconds, then repeatedly restarts
My desktop computer was working normally yesterday, but today it powers on for a couple of seconds, shuts off, and immediately tries to start again. It keeps repeating…
computer troubleshooting
Why has my Windows 11 computer become slow and laggy?
My HP all-in-one has an AMD Ryzen 3 3250U processor, 8 GB of RAM, integrated Radeon Vega 3 graphics, and a 238 GB drive with about 134 GB…
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…
How can I access the other half of my 1TB drive in Windows 11?
I have a Lenovo laptop running Windows 11 that is advertised as having 1TB of storage. However, File Explorer only shows about 474GB available. I can see another…
Why is Windows 11 using almost twice as much RAM after I upgraded?
I added another 16GB of RAM to my Windows 11 PC, bringing the total to around 32GB. With the same programs and workload, Task Manager now shows nearly…
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…
Computer Shuts Down Shortly After Starting a Game
My computer has recently started shutting down about a minute after I launch a game. The lights sometimes remain on, and once the game audio continued playing in…
Installed a Wi-Fi Card and Now My PC Boot-Loops With No Display
I installed a Wi-Fi card that may not be compatible with my computer, and now it repeatedly restarts without showing anything on the monitor. The system worked normally…
Windows 11 laptop froze after removing a USB drive—what should I do?
My Acer laptop is running Windows 11 and is less than a month old. My mom and I were looking through files on some old USB drives when…
Fans Spin but There’s No Display or Keyboard Power—How Can I Diagnose It?
When I press the power button, the fans start spinning, but there is no image on the monitor and the keyboard's Num Lock light stays off. I already…
How can I completely uninstall Respondus LockDown Browser?
My professor requires Respondus LockDown Browser for one of my classes, but it feels like it has deeply integrated itself into my computer. How can I remove it…
PC Completely Dead After Surge Protector Was Switched Off
A surge protector was accidentally switched off while another device was being plugged in. After turning it back on, the PC would not start at all. Pressing the…
I accidentally spammed my PC’s hard reset button—should I be worried?
I recently got my first desktop PC with a dedicated hard reset button. I pressed it once without knowing what it did, and when the display went off,…
BIOS Settings Won’t Save After Restart
I'm trying to change some BIOS settings for VALORANT, including Secure Boot, but none of the changes remain after I exit and restart the computer. I also recently…
Acer Nitro V 15 Only Turns On When Plugged In
My Acer Nitro V 15 was working normally a few days ago, but now it won't power on unless the charger is connected. Pressing the power button while…
Is a Week-Long PC Graphics Card Repair Reasonable, and Should I Ask for the Diagnostic Fee to Be Waived?
I took my PC to a repair shop, and it took about a week for them to diagnose the problem. I had already suspected the graphics card, and…
PC Powers On but Shows No Display or USB Response
My computer powers on, and the RGB lighting and fans turn on, but there is no HDMI signal and neither the keyboard nor mouse receives power. I've checked…
Windows Update Triggered a Secure Boot Violation—How Can I Recover?
After a forced Windows update, my computer now stops during startup with the message: "SECURE BOOT VIOLATION — Invalid signature detected, check Secure Boot Policy in Setup." I've…
Lightning Fried My Gaming PC—What Parts Can I Salvage?
Lightning struck my house through the internet cable and damaged several devices, including the modem, home alarm, and gaming PC. The PC no longer powers on. A large…
Older Windows 11 PC Shows Pink Pixels and Reboots During Updates
My older PC has been freezing and sometimes won't let me sign in. It's running Windows 11, or at least I'm fairly sure it is, and I've already…