Laptops & PCs
PC Powers On But No Display? Work Through This Diagnostic Order
Fans spinning with a black screen is a specific fault with a short list of causes. Here is how to find it…
Tag: graphics card
Laptops & PCs
Strange Shapes or Colours on Screen? Graphics Card Artifacts Explained
Coloured dots, flickering triangles or lines across the screen usually mean the graphics card, and heat is the first thing to check.