: Use the command prompt ( powercfg /batteryreport ) to check the "Full Charge Capacity" against the "Design Capacity". Aim for 80-85% health or higher.
: This is the most critical check, as demo units are often left plugged in 24/7, which can degrade battery capacity. buying a demo laptop
: Check for "burn-in" (ghostly images stuck on the screen) or dead pixels, especially on OLED models. : Use the command prompt ( powercfg /batteryreport
: Run a quick video or several browser tabs to see if the fan becomes excessively loud or if the laptop gets uncomfortably hot. Negotiation & Protection Buying A Demo Unit At A Retail Store - Experts Exchange : Check for "burn-in" (ghostly images stuck on
Before you buy, perform these physical and technical checks in-store to ensure the "deal" isn't a dud:
: Examine the keyboard for worn-out or shiny keys and test the trackpad responsiveness.