Screen
Dead pixel vs. stuck pixel: how to detect them and try to fix them
A fixed red, green, or blue dot on your screen? Here's how to tell dead from stuck pixels, attempt a fix, and know your warranty rights under the ISO standard.
7 min read
Blog
Troubleshooting guides for webcams, mics and peripherals — fastest checks first, drivers last.
Screen
A fixed red, green, or blue dot on your screen? Here's how to tell dead from stuck pixels, attempt a fix, and know your warranty rights under the ISO standard.
7 min read
Keyboard
Keyboard double typing, typing on its own or dead keys? Release stuck modifier keys, turn on Filter Keys and spot the hardware fault in a few minutes.
7 min read
Mouse
Mouse double clicking on its own or scroll wheel jumping? Test the switch, raise the debounce time and clean the encoder: 5 fixes before you replace it.
6 min read
Screen
Black screen when you share your screen on Teams, Discord, Meet or Zoom? Try these 7 proven fixes, from a 10-second check to graphics driver updates.
7 min read
Webcam
Webcam showing a black screen while the light is on? Most of the time it's a lens shutter or the wrong camera selected. Every fix, in order.
7 min read
Guides
Test a used laptop in 10 minutes before buying: swollen battery, dead pixels, keyboard, display cable. The checklist for buying a second-hand computer.
8 min read
Audio
Microphone too quiet or not working on Windows 11 or Mac? Rule out each cause: mute switch, gain, exclusive mode, coreaudiod and Zoom or Teams permissions.
7 min read