✅ CHKDSK Command Explained | Fix Disk Errors & Improve PC Performance

Learn how to use the CHKDSK command in Windows to check, repair, and optimize your hard drive. This step-by-step guide shows what each parameter does (/f, /r, /v) and how to run it safely. Perfect for IT support professionals, tech students, or anyone wanting to fix disk issues like bad sectors or file system errors.