Windows guides
Guide to Dead and Stuck Pixels on an LCD Monitor
How to distinguish dead, stuck, and transient pixels, test a display safely, and decide when warranty or panel replacement is appropriate.
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Troubleshooting
How to Troubleshoot Thermal Shutdowns on a Laptop or Desktop PC
Practical, safety-focused steps for diagnosing overheating and thermal shutdowns, including airflow, fans, dust, firmware telemetry, and professional service.
Windows guides
Improve Laptop Battery Life in Windows 8, 7, Vista, and XP — Historical Guide
Historical battery-life troubleshooting for Windows 8, 7, Vista, and XP laptops, focusing on power settings, brightness, background activity, devices, and battery health.