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Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
06-28-2013, 09:00 AM (Last edited: 07-14-2018, 09:21 PM by ToastyX)
Post: #1
Lightbulb Strobelight - LightBoost Utility for AMD/ATI and NVIDIA
Strobelight enables backlight strobing on LightBoost-capable monitors. For more information about LightBoost and backlight strobing, visit

Download: - Source: -

A message from ToastyX:

Over the years, I have created various monitor-related software and provided support for free. I would like to continue providing updates and work on new ideas, but I need your support. If you find my software useful, please consider supporting me through Patreon:

[Image: patreon.png]

Compatibility issues:

AMD Radeon RX-series cards - ToastyX Wrote:RX-series cards have communication issues with DVI.

Workaround: Use DisplayPort if possible. No solution is available for DVI at this time.

NVIDIA 3D Vision - ToastyX Wrote:Stereoscopic 3D may not enable properly unless 120 Hz is non-strobed. Here is a version with the refresh rates swapped:

  • Windows Vista or later
  • AMD/ATI or NVIDIA GPU (laptops with switchable graphics are not supported)
  • Dual-link DVI or DisplayPort (HDMI is not supported)
  • ASUS or BenQ LightBoost-capable monitor (BenQ Z-series and newer monitors are not supported)
Compatible monitors (Amazon affiliate links): Getting started:
  1. Run strobelight-setup.exe to install the refresh rates required to enable backlight strobing.
  2. Copy strobelight.exe to your startup folder. (Win+R shell:startup)
  3. Reboot.
Strobelight will initialize any monitors if necessary and stay running in the background to handle keyboard shortcuts. The initialization process can take a few minutes, but it only needs to be done once unless the monitors lose power.

  1. Run strobelight-setup.exe and reset the display.
  2. Remove strobelight.exe from the startup folder.
  3. Reboot.
Keyboard shortcuts:
  • [Ctrl] [Alt] [0-9] = Brightness (0 = 100%, 1 = 10%, 2 = 20%, etc.)
  • [Ctrl] [Alt] [+] = Strobing on (highest strobed refresh rate)
  • [Ctrl] [Alt] [-] = Strobing off (highest non-strobed refresh rate excluding 60 Hz)
  • [Ctrl] [Alt] [F12] = 120 Hz strobed if available
  • [Ctrl] [Alt] [F11] = 110 Hz strobed if available
  • [Ctrl] [Alt] [F10] = 100 Hz strobed if available
  • [Ctrl] [Alt] [F6] = 60 Hz if available
Note: strobe toggling does not work in full screen games.

Options for strobelight.exe:

Strobelight can be configured by renaming strobelight.exe to any of the following:
  • strobelight-init.exe = Initialize any monitors if necessary and quit. It will not stay running in the background. Keyboard shortcuts will not be available.
  • strobelight-hide.exe = Hide the tray icon. It will stay running in the background to handle keyboard shortcuts. You can use the task manager to end the process.
  • strobelight-off.exe = Start with strobing off. This can be combined with the other options: strobelight-off-init.exe or strobelight-off-hide.exe
Keyboard options:

To change the modifier keys, rename strobelight.exe to include any combination of the following:
  • -ctrl, -lctrl, -rctrl
  • -alt, -lalt, -ralt
  • -shift, -lshift, -rshift
  • -win, -lwin, -rwin
Example: strobelight-ctrl-lalt.exe = [Ctrl] [Left Alt]

Disabling hotkeys:

To disable certain hotkeys, rename strobelight.exe to include -k followed by any combination of the following numbers:
  • 0 = disable all
    1 = +/-
    2 = 0-9
    3 = numpad +/-
    4 = numpad 0-9 numlock on
    5 = numpad 0-9 numlock off
    6 = function keys
Example: strobelight-k345.exe = disable numpad hotkeys

Options can be combined: strobelight-ctrl-lalt-k345.exe

Changes in Beta 4:
  • Fix refresh rates not being found in some cases when loading on startup
Changes in Beta 3:
  • Work around GeForce Experience problem
  • Added support for more than four refresh rates
  • Added DisplayPort audio support
  • Make sure all displays are strobed on startup
  • Disable keyboard hook and hotkey threads if hotkeys are disabled
  • Double-check if any modifier keys were released before processing hotkeys
Changes in Beta 2:
  • New keyboard handler:
    • Allow Ctrl+Alt to work without affecting AltGr
    • Allow numpad to work without num lock
    • Added options to change the hotkey modifiers
    • Added options to disable certain hotkeys
    • Added Ctrl+Alt+F6 for 60 Hz
  • Retry if monitor fails to respond when starting up
  • Always show strobing options in the menu even if not available
  • Show keyboard shortcuts for strobing options in the menu
  • Retry if tray icon fails to update when system is busy
  • Select 121 Hz in the setup program so strobing can be turned off by default
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Messages In This Thread
Strobelight - LightBoost Utility for AMD/ATI and NVIDIA - ToastyX - 06-28-2013 09:00 AM
3D Vision WITHOUT LightBoost??? - weasel - 02-19-2014, 08:07 AM
RE: GeForce 344.11 - jayache80 - 10-06-2014, 02:25 AM
uninstalling failed? - l8nite - 11-04-2014, 06:21 PM
ASUS MG248Q - TeddyTries - 12-24-2019, 04:27 AM

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