Computer Problems and Fixes
Find troubleshooting guides for common computer problems, including computers that won’t turn on, slow performance, startup issues, freezing, crashes, display problems, hardware errors, and more.
Find the Right Fix for Your Computer Problem
Computer problems can have many different causes. A device may fail to start because of a power issue, run slowly due to background programs, freeze because of software conflicts, or display an error because of hardware or system problems.
Start by selecting the symptom that best matches your problem. Each guide is designed to help you understand possible causes and explore practical troubleshooting steps.
Computer Won’t Turn On or Start
Explore common power, startup, boot, and login problems.
Laptop Won’t Turn On
Troubleshoot common power, battery, charger, display, and startup issues.
Troubleshoot →Computer Won’t Start
Explore possible causes of startup and boot problems.
Troubleshoot →PC Turns On but No Display
Check possible monitor, cable, graphics, and hardware issues.
Troubleshoot →Computer Stuck on Startup
Learn what may cause a computer to freeze during startup.
Troubleshoot →Computer Running Slow
Troubleshoot performance, speed, storage, and responsiveness problems.
Computer Running Slow
Explore common causes of slow computer performance.
Troubleshoot →Laptop Running Slow
Find possible reasons your laptop has become slow.
Troubleshoot →Computer Freezes Randomly
Investigate software, hardware, memory, and system causes.
Troubleshoot →High CPU Usage
Learn what may be causing excessive processor usage.
Troubleshoot →Freezing, Crashing and Restart Problems
Find help for unexpected freezes, crashes, shutdowns, and restart issues.
Computer Keeps Freezing
Explore common reasons for repeated system freezes.
Troubleshoot →Computer Keeps Restarting
Troubleshoot unexpected restart loops and system instability.
Troubleshoot →Computer Keeps Crashing
Investigate possible software, driver, or hardware problems.
Troubleshoot →Blue Screen Errors
Find guides for common system crash and error problems.
Troubleshoot →Still Having Trouble With Your Computer?
If the troubleshooting steps do not resolve your problem, additional assistance from a qualified third-party professional may be available.
Common Computer Problems
What is the first thing to check when a computer is not working? +
Start with the simplest checks, including power, cables, connections, battery status, and whether the problem affects the entire computer or only one application or feature.
Why won’t my computer turn on? +
A computer may fail to turn on because of a power supply issue, drained battery, charger problem, faulty hardware, display issue, or startup error.
Why is my computer suddenly so slow? +
Slow performance may be caused by background applications, startup programs, limited storage, outdated software, malware, or aging hardware.
Find Help for Your Exact Computer Problem
Browse troubleshooting guides or search for the specific symptom or error message you are seeing.