How to Change Game Resolution without Opening it Windows 10

I’m having video and display issues with a valve/source game, how do I change my video and display settings at launch?

How do I set the autoconfig launch option?

The

-autoconfig

launch option will allow Steam to configure a Valve/Source game with the best settings for use on your machine.

  1. Open Steam
  2. Go to the “Library”
  3. Right-click the game which needs to be reconfigured
  4. Select “Properties…” from the menu
  5. Go to the section “Launch Options”
  6. Remove any launch options currently shown in the input box
  7. Type
    -autoconfig

    in the box

How do I set the safe mode launch option?

Launch option will cause the game to launch with minimal video settings, in windowed mode and with a 640 x 480 resolution. This can be helpful for solving video configuration problems.

  1. Open Steam
  2. Go to the “Library”
  3. Right-click the game which needs to be reconfigured
  4. Select “Properties…” from the menu
  5. Go to the section “Launch Options”
  6. Remove any launch options currently shown in the input box

How do I force a working DirectX level and video mode?

If the Valve/Source game fails to load with the default settings, you will need to test for a working DirectX level and video mode.

Force a DirectX level

This process may help with some older video cards – some users report the game will run faster, as well:

  1. Open Steam
  2. Go to the “Library”
  3. Right-click the game which needs to be reconfigured
  4. Select “Properties…” from the menu
  5. Go to the section “Launch Options”
  6. Remove any launch options currently shown in the input box
  7. Type one of the DirectX level launch options specified below in the box
DirectX Level Launch Options
  • -dxlevel 90

    (DirectX v9.0)

  • -dxlevel 81

    (DirectX v8.1)

  • -dxlevel 80

    (DirectX v8.0)

Force a Video Mode

  1. Open Steam
  2. Go to the “Library”
  3. Right-click the game which needs to be reconfigured
  4. Select “Properties…” from the menu
  5. Go to the section “Launch Options”
  6. Remove any launch options currently shown in the input box
  7. Specify the appropriate Video Mode and Video Option switches from the lists below

 

Supported Video Modes

  • -gl

    use the OpenGL engine

    GoldSource Only
  • -16bpp

    or

    -32bpp

    – Forces the selected color mode (bit depth).

    GoldSource only
  • -soft

    use the Software engine

  • -width #

    (where ”

    #

    ” is the width in pixels of desired video mode) sets the video mode width

  • -w #

    (see the Supported Video Resolutions list below)

  • -fullscreen

    or

    -full

    use Full Screen mode (default)

  • -startwindowed

    /

    -sw

    /

    -windowed

    /

    -window

    /

    -win

    use the Window display mode (game appears as a window on the desktop)

 

Supported Video Resolutions

Use the

-w #

switch (where ”

#

” is a number from the list below) to specify the display resolution:

  • 640

    (640×480)

    GoldSource Only
  • 720

    (720×576)

  • 800

    (800×600)

  • 1024

    (1024×768)

  • 1152

    (1152×864)

  • 1280

    (1280×1024)

  • 1600

    (1600×1200)

  • 1768

    (1768 x 992)

  • 1920

    (1920 x 1080)

  • 2560

    (2560 x 1440)

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