Desktop computers, like all devices, can encounter issues. Here’s how to troubleshoot common problems:

1. Slow Performance: Check for malware, clean up disk space, and upgrade RAM if necessary.
2. Noisy Fan: Clean the internal components and ensure proper ventilation.
3. Boot Issues: Check cables, ensure the power supply is working, and reset BIOS settings.
4. Blue Screen of Death (BSOD): Note the error code, update drivers, and run a system diagnostic.
5. Peripheral Problems: Ensure drivers are installed and peripherals are properly connected.