How to check a used computer before buying
Verify the exact model
Compare the model code, processor, memory, storage and display specification with the listing. One product name can cover very different configurations.
Inspect the mechanics
Open the lid slowly and inspect hinges, case gaps, screws, charging socket and ports. Raised panels may indicate impact or a swollen battery.
Test every function
Check the keyboard, touchpad, camera, sound, Wi-Fi, USB and charging. Apply a moderate load and watch temperature, noise and shutdowns.
Check storage and battery
Review drive health and battery cycles together with a real test. Make sure no previous-owner account or management lock remains.
Checks you can do yourself
Before seeking help, note the exact model, photograph any error message and record what happened before the symptom appeared. It is safe to check the wall outlet, cable, external devices and backup status. Do not open batteries, power supplies or system boards without the correct tools and experience.
Common mistakes to avoid
Repeated restarts, random “repair” utilities, unsuitable chargers and hot-air drying after a spill often make recovery harder. If you hear crackling, smell burning, see a deformed case or know that liquid entered the device, shut it down and disconnect power immediately.
Information that helps a technician
Explain when the fault began, whether it appears under load and whether there was an impact, spill, update or previous repair. Bring the charger when power is involved. We preserve customer data by default and erase it only at the customer’s request or with consent when required for the work.
Reducing the chance of recurrence
After repair, follow cooling advice, avoid stressing connectors, install updates from trusted sources and keep important files in at least two independent locations. Periodic checks of temperature, drive health and backups help identify developing problems before a major failure.