Common PC Problems and Troubleshooting Tips

Oliver Kanani
Sep 8
2 min read

Updated: Sep 13

Computers are powerful tools, but like any machine, they sometimes run into problems. Whether you’re dealing with a slow laptop, a noisy desktop, or frustrating error messages, knowing a few basic troubleshooting steps can save you time and money. In this post, we’ll walk through the most common PC problems and share practical computer repair tips to help you get back up and running.

1. Slow Computer Performance

The problem: Your computer takes forever to boot, open programs, or load websites.

Troubleshooting tips:

Check startup programs: Too many apps launching on startup will drag your system down. Disable unnecessary ones in Task Manager.
Run a virus scan: Malware or bloatware often slows down PCs. Use trusted antivirus software.
Upgrade hardware: Adding RAM or switching to an SSD is one of the fastest ways to breathe new life into an older machine.

2. Overheating and Loud Fans

The problem: Your PC feels hot to the touch, shuts down randomly, or the fans sound like jet engines.

Troubleshooting tips:

Clean out dust: Dust buildup blocks airflow. Carefully clean fans and vents with compressed air.
Check airflow: Make sure your computer isn’t pushed up against a wall or sitting on carpet.
Reapply thermal paste: On older systems, the CPU may need fresh thermal paste for better heat transfer.

3. Internet Connection Issues

The problem: Slow browsing, frequent disconnects, or “no internet” messages.

Troubleshooting tips:

Restart your router: It sounds simple, but often fixes connection hiccups.
Test Wi-Fi vs Ethernet: If Wi-Fi is unstable, try plugging in a cable to see if the issue is network-related.
Update drivers: Outdated network adapters can cause drops and slow speeds.

4. Blue Screen of Death (BSOD)

The problem: Your PC crashes and shows a blue error screen.

Troubleshooting tips:

Note the error code: Each BSOD error points to a different cause (e.g., memory, driver, hardware failure).
Check recent changes: Did you install new software, hardware, or updates? Undo them to see if stability returns.
Run diagnostics: Windows includes memory and disk check tools that can identify failing parts.

5. Software Crashes and Freezing

The problem: Applications keep crashing, or your system locks up unexpectedly.

Troubleshooting tips:

Update everything: Make sure Windows, drivers, and the software itself are up to date.
Check for malware: Viruses often cause instability. Run a full scan.
Reinstall the program: Sometimes files get corrupted — a clean reinstall usually fixes it.

Final Thoughts

PC problems can be frustrating, but with the right troubleshooting steps, many issues can be solved quickly. If your computer is still giving you trouble — or you don’t feel comfortable opening it up — it’s always smart to reach out to a local computer repair service for help.

At Kanani Tech, we specialize in computer repair, laptop repair, and IT support. Whether you need a quick fix, a full system upgrade, or expert troubleshooting, we’ve got you covered. Contact us today to get your PC running like new!