Free Diagnostics Desktop Computer

Free Desktop Computer Diagnostics in San Marcos, TX

Get a free desktop computer diagnostic from San Marcos Computers LLC—your local experts for desktop repair, Windows PC troubleshooting, and gaming PC diagnostics in San Marcos, TX and Central Texas. No appointment needed and no obligation—get a clear, up-front estimate before any repair begins.

What’s Included (No-Cost Diagnostic)

• Hardware checks: motherboard, CPU, RAM (memory tests), GPU, PSU (power supply)
• Storage health: SSD/HDD SMART reports, bad-sector scans, boot integrity
• Thermals & fans: overheating checks, dust buildup, thermal paste condition
• OS & software: Windows errors, startup issues, virus & malware scan
• Connectivity: Wi-Fi, Ethernet, USB/ports, display output (HDMI/DisplayPort)

How It Works

1. Walk in with your desktop/tower—no appointment required.
2. We run a same-day bench check on common faults (power, boot, noise, crashes).
3. Receive a transparent repair quote. You choose whether to proceed—no pressure.

Common Desktop Issues We Diagnose

No power • blue screen (BSOD) • boot loops • random shutdowns • slow performance • noisy fans • drive failures • no display • USB/port failures • network/Wi-Fi problems

Please note: Due to the complex nature and design of gaming and custom computers, we offer the first 15 minutes of diagnostics for free. This free diagnostic period should cover hard failures such as failed PSUs, drives, RAM, GPUS. More complex diagnostics will be billed at an hourly rate after basic diagnostics has failed to detect the issue.

We’ve Moved! Visit our new location: 2206 Old Ranch Road 12, San Marcos, TX 78666 — minutes from Texas State University and downtown San Marcos.

Questions? Call 512-777-1221 or contact us. San Marcos Computers LLC — trusted local pros for free desktop computer diagnostics in San Marcos, TX.