Technical Root Cause & Diagnostics A sticky mechanical keyboard switch is usually caused by dried liquid, dust mixed with skin oils, food residue, or another contaminant entering the switch housing. The key may still register normally but feel slow, rough, or reluctant to return after being pressed. You can clean many sticky switches without removing … Read more
Technical Root Cause & Diagnostics A CPU fan running at maximum speed while the computer appears idle usually means the CPU temperature is genuinely high, the motherboard is receiving incorrect temperature information, the fan-control profile is forcing a high RPM, or a background process is keeping the processor busy. On a healthy idle system, the … Read more
Technical Root Cause & Diagnostics Anti-glare laptop displays use a surface treatment or textured coating to reduce reflections. The coating can be damaged or made permanently uneven by aggressive rubbing, abrasive cloths, excessive moisture, household glass cleaners, ammonia-based products, or cleaning while the panel is warm. What looks like ordinary dirt can therefore become a … Read more
Technical Root Cause & Diagnostics A mouse that registers two clicks when you press the button once is often suffering from a worn or contaminated microswitch rather than a Windows setting. Inside the mouse, the button presses a small mechanical switch. Over time, the switch’s internal contact mechanism can wear, oxidize, or lose its original … Read more
Technical Root Cause & Diagnostics Windows 11 does not store all unnecessary data in one folder called “Other.” Storage usage can be spread across Temporary files, Windows Update cleanup files, Delivery Optimization files, Recycle Bin contents, application caches, crash dumps, old Windows installations, and large files hidden inside user or system folders. I start by … Read more
Technical Root Cause & Diagnostics An inverted touchpad scroll direction or missing gestures is usually caused by a Windows touchpad setting, incorrect touchpad driver, OEM driver replacement, or a touchpad being detected through a different driver than before. The fix depends on whether Windows still recognizes the touchpad as a precision touchpad. I start by … Read more