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convert_images.ps1 2026-01-17 507 Bytes
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install_screensaver.bat 2026-01-17 3.5 kB
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INSTALLER_README.md 2026-01-17 3.4 kB
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README.md 2026-01-17 2.7 kB
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GNU GENERAL PUBLIC LICENSE.txt 2026-01-17 1.9 kB
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Totals: 17 Items   1.2 MB 0

GarysMatrix Screensaver - Installer Guide

Installation Methods

Method 1: Simple Batch Installer (Recommended - No Dependencies)

  1. Build the screensaver first: powershell .\build.ps1

  2. Run the installer (right-click and select "Run as administrator"): install_screensaver.bat

  3. Follow the on-screen prompts

Method 2: NSIS Installer (Professional Installer)

Requirements: NSIS must be installed first

Steps:

  1. Build the screensaver: powershell .\build.ps1

  2. Build the installer: powershell .\build_installer.ps1

  3. Run the generated garysmatrix_installer.exe (right-click and select "Run as administrator")

Method 3: PowerShell Installation (Command Line)

.\install.ps1

(Right-click PowerShell and select "Run as administrator")

Configuring the Screensaver

After installation, configure it in Windows Settings:

Windows 10/11:

  1. Right-click on the desktop → Personalize
  2. Go to Lock screen (left sidebar)
  3. Scroll down and click Screensaver settings
  4. Select GarysMatrix from the dropdown
  5. Click Settings to customize:
  6. Choose a color profile (green, blue, red, yellow, orange, purple, rainbow, monochrome)
  7. Adjust trail contrast (Low, Medium, High)
  8. Set the wait time (idle time before screensaver activates)
  9. Click OK to save

Uninstallation

Using Add/Remove Programs:

  1. Go to Settings → Apps → Apps & features
  2. Search for "GarysMatrix Screensaver"
  3. Click on it and select Uninstall
  4. Follow the prompts

Or run the uninstaller directly:

C:\Windows\System32\garysmatrix_uninstall.bat

(Right-click and select "Run as administrator")

What Gets Installed

  • C:\Windows\System32\garysmatrix.scr - The screensaver executable
  • C:\Windows\System32\garysmatrix_uninstall.bat - Uninstaller script
  • Registry entries in HKCU\Software\garysmatrix - User settings

Features

✓ Multi-monitor support (spans all monitors) ✓ 8 color profiles (green, blue, red, yellow, orange, purple, rainbow, monochrome) ✓ Configurable trail contrast (0-100%) ✓ Unicode character set (Katakana) ✓ Live preview in settings ✓ Registry-backed configuration

Command Line Usage

For advanced users, the screensaver supports command-line arguments:

  • garysmatrix.scr /s - Show fullscreen
  • garysmatrix.scr /c - Open configuration dialog
  • garysmatrix.scr /p <hwnd> - Preview mode (used by Windows)

Troubleshooting

Screensaver doesn't appear in list:

  • Ensure the .scr file is in C:\Windows\System32\
  • Check that Windows can execute it (right-click → Properties, check "Unblock" if present)
  • Try running install_screensaver.bat again

Settings don't apply:

  • Close and reopen the screensaver settings dialog
  • Ensure you clicked "OK" to save your changes

Installation fails:

  • Right-click the installer and select "Run as administrator"
  • Ensure you have write permissions to C:\Windows\System32\

Support

For issues or feature requests, please refer to the source code repository.

Source: INSTALLER_README.md, updated 2026-01-17