Blog
Tests
Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.
-
Tests
Why is my floor-standing speaker vibrating against the wall?
Find out whether bass is shaking the wall, a speaker part is loose, or an object is rattling, then isolate the cause with a careful test.
-
Tests
How to test your internet speed at different times
Test your internet at the same times over several days, compare download, upload, ping, and jitter, and spot patterns that a single test can miss.
-
Tests
Why a laptop RAM score changes after sleep
A RAM score can shift after sleep without a failing memory stick. Learn how to compare runs, spot normal variation, and find repeatable slowdowns.
-
Tests
How to spot inconsistent memory latency measurements
Learn why memory latency results vary, how to repeat the RAM test fairly, and what changes point to background load, power settings, or a fault.
-
Tests
How to check for a loose speaker mounting screw
Use a slow bass sweep to locate a speaker rattle, inspect mounting screws safely, and learn when to tighten them or call a repair shop.
-
Tests
Why your voice sounds nasal on a headset mic
Find out whether headset placement, mic processing, or the headset itself makes your voice sound nasal, then test practical fixes in your browser.
-
Tests
Why one device can use all your upload bandwidth
Learn why one device can crowd out other uploads, how to confirm the delay with a bufferbloat test, and what to pause or change.
-
Tests
How to check your computer before a weekend hackathon
Check your laptop or desktop before a weekend hackathon, catch hardware or connection problems, and fix the issues most likely to interrupt your work.
-
Tests
External drive through a USB splitter: what to test
Compare an external drive through a USB splitter and a direct port, spot power or bandwidth issues, and decide what to change next.
-
Tests
How to check if your laptop is actually charging
Check your laptop’s reported charging state, compare the battery level over time, and find out whether the adapter, settings, or battery needs attention.
-
Tests
How to gather non-sensitive specs for a help forum
Gather the device details a forum needs without posting serial numbers or account data. Use a browser-based system report and share only what's relevant.
-
Tests
How to document a pixel defect for support
Capture clear photos, record the screen and pixel behavior, and tell a stuck pixel from a dead one before you contact customer support.