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✓ One guided session • No page switching

Run a complete used laptop test in one guided flow

Follow eight clear checks from screen to battery, see your progress as you go, and finish with a LaptopProof report. The essential tests run directly on this page.

8 guided checksProgress saved locallyNo account requiredPrint / Save PDF report
LaptopProof Diagnostic Run0 / 8 checks completed
Step 1 of 80%
Optional

Identify the laptop you are checking

Add a model or seller reference so it appears on your final report. Nothing is uploaded.

Step 1 of 8

Device details & physical condition

First confirm the laptop matches the seller's description and inspect the parts a browser cannot see.

Why this mattersBrowser tests can check functions, but only you can verify the physical condition and advertised model.
How did this check go?
Step 2 of 8

Display, dead pixels & refresh rate

Check the panel without leaving this page. Start with the detected display details, then run the full-screen color test.

Screen—
Pixel ratio—
Color depth—
Refresh estimateNot measured
Display result
Step 3 of 8

Keyboard response

Press letters, numbers, arrows, modifiers and function keys. Your key presses stay in this browser session.

Press any key
Last physical key—
Total presses0
Unique keys detected0
TipTry Shift, Ctrl, arrows & F-keys
Keyboard result
Step 4 of 8

Trackpad / mouse

Move around the area, click different buttons and scroll. This confirms that pointer events reach the browser normally.

Move, click & scroll hereTry left/right click and two-finger scroll on a trackpad.
Movement events0
Clicks0
Last button—
Scroll events0
Trackpad / mouse result
Step 5 of 8

Webcam

Allow camera access when asked. The preview stays on your device and is not uploaded by this test.

Camera preview will appear here
Camera statusPermission has not been requested.
Webcam result
Step 6 of 8

Microphone & speakers

Watch the microphone meter respond to your voice, then play a short tone through the left and right channels.

Microphone input
Microphone not started
Speaker channelsNo tone played yet
Audio result
Step 7 of 8

Battery & charging

Some browsers no longer expose battery data, so this step combines any available browser information with important manual checks.

Battery APIChecking…
Current level—
Charging—
Time estimate—
For real battery health, cycle count and full-charge capacity, use Windows battery report, macOS System Information, or the manufacturer's diagnostics.
Battery / power result
Step 8 of 8

Network, ports & ownership checks

Finish with the practical checks that matter before payment. Only tick items that apply to this laptop.

Browser online—
Connection hintNot exposed
Estimated downlinkNot exposed
Touch points—
Final checks result
LaptopProof Report

Checkup not finished yet

Complete the checks to build your report.

—screening score
0Passed
0Needs attention
0Skipped
0/8Completed
Important: This is a browser-based screening report, not a professional hardware certification. SSD/RAM health, internal temperatures, motherboard faults, battery wear and firmware locks may need operating-system or technician diagnostics.
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What the full LaptopProof test checks

The guided test combines browser measurements with clear manual checks so you can inspect a second-hand laptop without bouncing between separate pages. Individual tools remain available for deeper testing and search visitors, but the main buying workflow stays in one session.

Built-in

Interactive tests

Dead pixels, keyboard, pointer, webcam, microphone, speakers and browser-exposed device details.

Guided

Manual checks

Physical condition, battery swelling, ports, charger, ownership locks and seller claims.

Clear

One final report

Your pass, attention and skipped results are combined into a printable summary stored locally in your browser.

Frequently asked questions

Will the full test open a new page for every check?

No. The essential checks are integrated into this guided page. Separate tool pages still exist if you want to run a specific test independently.

Does LaptopProof upload my camera or microphone?

The built-in camera preview and microphone meter use browser media APIs and are designed to run locally in your browser. Permission is requested only when you start those tests.

Can a browser fully test SSD, RAM and battery health?

No. Browser security limits access to many internal hardware metrics. The final report clearly separates browser checks from items that should be verified using the operating system or manufacturer diagnostics.