Open and close the lid several times. They should be firm and smooth, not loose or wobbly.
Buying a used computer is a smart way to get high-end tech for a fraction of the cost, but it requires a careful eye to avoid "buying someone else's headache." Whether you are looking at a sleek laptop or a powerful desktop, use this comprehensive checklist to ensure your new-to-you machine is a bargain, not a burden. 1. The Physical Walkaround what to check when buying a used computer
Never take the seller's word for it. Sellers may mistakenly (or intentionally) list the wrong specs. Open and close the lid several times
Look for scratches, dead pixels (tiny black dots), or "bruising" (discolored patches). Test this by viewing a solid white and then a solid black background. Look for scratches, dead pixels (tiny black dots),
Open a text editor and test every single key. For trackpads, ensure clicks are responsive and gestures work smoothly.