Common problems in Windows

Source: Dev.to

Computer is running slowly

• Reboot the computer (fixes many issues).
• If reboot doesn’t help, verify sufficient CPU, disk space, and RAM for the OS, hardware, software, and intended use.
• Check system event logs for errors; research any error codes via the Microsoft Knowledge Base or a web search.
• Run antivirus and anti‑malware scans.
• Apply Windows Update and OEM updates.
• Remove temporary and unneeded files/software.
• Review startup software and services for potential problems.
• Boot into Safe Mode to see if performance improves.
• Unplug peripherals and disable network connections to rule them out.
• On Windows 11, use Start > Settings > System > Troubleshoot.

Computer is frozen

• Power off the computer, wait ~30 seconds, then power on.
• Check system event logs after boot.
• If the system does not boot, enter BIOS and boot into Safe Mode to access logs.
• Research any error codes found.
• If the cause remains unclear, perform the same checks listed for Computer is running slowly.

Blue screen errors

• Record any error code or QR code displayed.
• Power off, wait ~30 seconds, then boot again.
• If the system does not boot, use BIOS to start in Safe Mode.
• Retrieve event logs from Windows Event Viewer and research error codes.
• If the cause is still unknown, run the same checks as for Computer is running slowly.

Hardware problems

• Visit the hardware OEM’s website for driver, firmware, and management‑software updates.
• If unresolved, open Device Manager to see if the device is disabled or unrecognized.
• Check system event logs and research any error codes.
• If still undetermined, perform the same checks as for Computer is running slowly.

Software problems

• Check the software manufacturer’s site for patches or updates.
• If the issue persists, examine the application’s event logs and research error codes.
• If the cause cannot be identified, run the same checks as for Computer is running slowly.

Application is frozen

• End the application process in Task Manager and restart it.
• If the problem continues, reboot the computer and try again.
• If unresolved, follow the steps under Software problems.

Peripheral is not working

• Ensure the peripheral is powered on and has sufficient power (especially battery‑powered devices).
• Verify cables are securely connected.
• For USB devices, try a different USB port; for Bluetooth devices, confirm Bluetooth is enabled on both computer and peripheral.
• Reboot the computer to allow reconnection.
• Swap the peripheral with a known‑good one to isolate the device.
• If the replacement also fails, check Device Manager for disabled or unrecognized devices.
• Review event logs for errors.
• Visit the OEM’s website for driver/firmware updates and run Windows Update.

Audio problems

• Verify audio volume levels.
• Run the Windows audio troubleshooter.
• Check speaker/headphone cables, plugs, and jacks.
• Review sound settings and ensure the correct default/active audio device is selected.
• Update or repair audio drivers and sound‑card firmware.
• Disable audio enhancements.
• Restart audio services via Task Manager, then reboot the computer.
• Research any required audio codecs for the media being played.
• If audio fails in a browser, ensure the browser has permission to use system audio and/or microphone.