# Monitor Test For the full tool, see: [https://capytoolkit.com/tools/hardware/monitor-test/](https://capytoolkit.com/tools/hardware/monitor-test/) ## Monitor Guides [LG 27GP850-B](https://capytoolkit.com/tools/hardware/monitor-test/lg-27gp850-b/): Test your LG 27GP850-B monitor for dead pixels, backlight uniformity, and panel response using this browser-based tool. [Samsung Odyssey G7](https://capytoolkit.com/tools/hardware/monitor-test/samsung-odyssey-g7/): Test your Samsung Odyssey G7 monitor for dead pixels, backlight uniformity, and response using this browser-based tool. [ASUS ROG Swift PG279QM](https://capytoolkit.com/tools/hardware/monitor-test/asus-rog-pg279qm/): Test your ASUS ROG Swift PG279QM for dead pixels, backlight uniformity, and IPS glow in your browser. [Dell S2722DGM](https://capytoolkit.com/tools/hardware/monitor-test/dell-s2722dgm/): Test your Dell S2722DGM for dead pixels, backlight uniformity, and VA panel characteristics in your browser. [BenQ MOBIUZ EX2710S](https://capytoolkit.com/tools/hardware/monitor-test/benq-mobiuz-ex2710s/): Test your BenQ MOBIUZ EX2710S for dead pixels, backlight uniformity, and IPS characteristics in your browser. [AOC C27G2Z](https://capytoolkit.com/tools/hardware/monitor-test/aoc-c27g2z/): Test your AOC C27G2Z curved monitor for dead pixels, backlight uniformity, and VA panel characteristics in your browser. [Alienware AW2725DF](https://capytoolkit.com/tools/hardware/monitor-test/alienware-aw2725df/): Test your Alienware AW2725DF QD-OLED for dead pixels, VRR flicker, and HDR uniformity using this browser-based tool. [ASUS ROG Swift OLED PG27AQDP](https://capytoolkit.com/tools/hardware/monitor-test/asus-rog-pg27aqdp/): Test your ASUS ROG Swift OLED PG27AQDP for dead pixels, early OLED retention, and uniformity using this browser-based tool. [Samsung Odyssey OLED G5 (G50SF)](https://capytoolkit.com/tools/hardware/monitor-test/samsung-odyssey-oled-g5/): Test your Samsung Odyssey OLED G5 for dead pixels, QD-OLED subpixel fringing, and uniformity using this browser-based tool. [LG 27GR83Q-B](https://capytoolkit.com/tools/hardware/monitor-test/lg-27gr83q-b/): Test your LG 27GR83Q-B for backlight bleed and dead pixels using this browser-based tool. [MSI MAG274QRF-QD](https://capytoolkit.com/tools/hardware/monitor-test/msi-mag274qrf-qd/): Test your MSI MAG274QRF-QD for dead pixels and uniformity. This model has public user reports of pixel defects. [Dell S2721DGF](https://capytoolkit.com/tools/hardware/monitor-test/dell-s2721dgf/): Test your Dell S2721DGF for dead pixels and backlight uniformity. Separate panel quality from reported black-screen behaviour. [Dell UltraSharp U2724DE](https://capytoolkit.com/tools/hardware/monitor-test/dell-u2724de/): Test your Dell UltraSharp U2724DE for panel uniformity and dead pixels. Establish a baseline for this factory-calibrated productivity monitor. [AOC Q27G3XMN](https://capytoolkit.com/tools/hardware/monitor-test/aoc-q27g3xmn/): Test your AOC Q27G3XMN mini-LED VA monitor for halo blooming, VRR flicker, and dead pixels using this browser-based tool. [Gigabyte M27Q3](https://capytoolkit.com/tools/hardware/monitor-test/gigabyte-m27q3/): Test your Gigabyte M27Q3 for inverse ghosting from Speed overdrive, dead pixels, and uniformity. [Acer Nitro XV272U](https://capytoolkit.com/tools/hardware/monitor-test/acer-nitro-xv272u/): Test your Acer Nitro XV272U for dead pixels, IPS glow, and factory calibration variance before use. [LG 27GR93U](https://capytoolkit.com/tools/hardware/monitor-test/lg-27gr93u/): Test your LG 27GR93U 4K 144 Hz IPS monitor for corner backlight bleed, dead pixels, and 144 Hz setup using this browser-based tool. [ASUS ROG Swift OLED PG27UCDM](https://capytoolkit.com/tools/hardware/monitor-test/asus-rog-pg27ucdm/): Test your ASUS ROG Swift OLED PG27UCDM 4K QD-OLED for early burn-in and dead pixels using this browser-based tool. [Samsung Odyssey G3 27"](https://capytoolkit.com/tools/hardware/monitor-test/samsung-odyssey-g3/): Test your Samsung Odyssey G3 27" VA panel for dirty screen effect, off-axis colour shift, and dead pixels using this browser-based tool. [Samsung Odyssey Neo G7 32"](https://capytoolkit.com/tools/hardware/monitor-test/samsung-odyssey-neo-g7/): Test your Samsung Odyssey Neo G7 32" mini-LED VA monitor for halo blooming, uniformity, and dead pixels. [Alienware AW2725D](https://capytoolkit.com/tools/hardware/monitor-test/alienware-aw2725d/): Test your Alienware AW2725D 280 Hz QD-OLED monitor for motion clarity, image retention, uniformity, and pixel defects. ## Issue Guides [IPS Glow Test - What It Is and How to Check It](https://capytoolkit.com/tools/hardware/monitor-test/ips-glow-test/): Understand what IPS glow is, how it differs from backlight bleed, and how to measure its severity on your monitor. [Backlight Bleed Test - How to Check Your Monitor](https://capytoolkit.com/tools/hardware/monitor-test/backlight-bleed-test/): Check your monitor for backlight bleed using a full black test pattern. Identify edge and corner bleed before your return window closes. [Dead Pixel Test - How to Find Dead and Stuck Pixels](https://capytoolkit.com/tools/hardware/monitor-test/dead-pixel-test/): Find dead and stuck pixels on any monitor using solid colour test patterns. Run this test before your return window closes. [Dirty Screen Effect Test - VA Panel DSE Check](https://capytoolkit.com/tools/hardware/monitor-test/dirty-screen-effect-test/): Check your VA panel for dirty screen effect using a mid-grey test pattern. Identify DSE patches before your return window closes. [OLED Burn-In Test - How to Check Your OLED Monitor](https://capytoolkit.com/tools/hardware/monitor-test/oled-burn-in-test/): Check your OLED monitor for early burn-in and image retention using a solid grey test pattern. Useful for both new and used OLEDs. [Monitor Uniformity Test - Check Backlight Consistency](https://capytoolkit.com/tools/hardware/monitor-test/monitor-uniformity-test/): Check your monitor for backlight uniformity issues using grey and white test patterns. Identify brightness gradients and tonal variation before your return window closes. [VRR Flicker Test - Check for Variable Refresh Rate Artifacts](https://capytoolkit.com/tools/hardware/monitor-test/vrr-flicker-test/): Check your monitor for FreeSync or G-Sync flicker at low frame rates. Diagnose VRR range floor issues before adjusting your GPU settings. ## Dead Pixel & Flicker Test Suite Reference [What Is IPS Glow?](https://capytoolkit.com/tools/hardware/monitor-test/reference/#ips-glow): IPS glow is an optical artifact intrinsic to IPS LCD panels. Learn what causes it, how it differs from backlight bleed, and how to check its severity. [What Is Backlight Bleed?](https://capytoolkit.com/tools/hardware/monitor-test/reference/#backlight-bleed): Backlight bleed is light leaking through the LCD panel edges. Learn what causes it, how to check for it, and when it warrants a replacement. [What Is a Dead Pixel?](https://capytoolkit.com/tools/hardware/monitor-test/reference/#dead-pixel): A dead pixel is a permanently failed display element. Learn the difference between dead and stuck pixels, how to find them, and what warranties cover. [What Is the Dirty Screen Effect?](https://capytoolkit.com/tools/hardware/monitor-test/reference/#dirty-screen-effect): The dirty screen effect (DSE) is a uniformity artifact on VA LCD panels. Learn what causes it, how to identify it, and when it is grounds for a warranty claim. ## Dead Pixel & Flicker Test Suite: Conversions [Hz to ms](https://capytoolkit.com/tools/hardware/monitor-test/conversions/#hz-to-ms): Convert Hz to ms for monitor refresh rate and frame time calculations. [ms to Hz](https://capytoolkit.com/tools/hardware/monitor-test/conversions/#ms-to-hz): Convert ms to Hz for monitor refresh rate and frame time calculations. ## Dead Pixel & Flicker Test Suite: Code Examples [Monitor Test on Windows 11](https://capytoolkit.com/tools/hardware/monitor-test/code-examples/#monitor-test-windows-11): Configure Windows 11 correctly before running monitor tests. Enable the right refresh rate, disable Night Light, and set up ICC profiles. [Monitor Test on macOS](https://capytoolkit.com/tools/hardware/monitor-test/code-examples/#monitor-test-macos): Configure macOS correctly before running monitor tests. Disable True Tone and Night Shift, set refresh rate, and choose the right colour profile.