Used Laptop Check Guide
Step-by-step checklist for evaluating a second-hand laptop before you buy it.
Physical condition, screen quality, keyboard, battery, ports, and software health. Click Start Test and follow each checklist item to evaluate the laptop systematically.
What does this test measure?
Physical condition, screen quality, keyboard, battery, ports, and software health.
Why is this test important?
Step-by-step checklist for evaluating a second-hand laptop before you buy it.
How do you run the test?
Click Start Test and follow each checklist item to evaluate the laptop systematically.
How should results be interpreted?
More items passing the check means the laptop is in better overall condition.
Normal and problematic results
More items passing the check means the laptop is in better overall condition.
Technical limitations
Internal wear, thermal paste condition, and hidden physical damage cannot be assessed by browser.
Why can the score decrease?
Unstable measurements, denied permissions, unsupported browser APIs, background load, power saving, or an incomplete test can affect the result. When a score changes, the result screen explains the reason.
What should you do if a problem is found?
Negotiate a price reduction for any issues found, or request a warranty before purchase.
Example Result Explanation
Frequently Asked Questions
Does this test provide a definitive hardware diagnosis?
No. The test measures signals the browser can safely access and clearly explains its technical limits.
Why can results change between runs?
Background applications, power mode, network conditions, permissions, and operating-system timing can affect results.
How should I repeat the test if I see a problem?
Repeat it on the same device and browser while changing only one condition, so the source of the difference is easier to identify.