CS 1.6 Mouse Acceleration Fix: Complete Guide

Last updated: May 1, 2026

Mouse acceleration in CS 1.6 changes your sensitivity based on how fast you move the mouse — the faster you move, the further the crosshair travels relative to your physical movement. If your CS 1.6 mouse feels too fast, inconsistent, or impossible to control precisely, acceleration is almost always the cause. This makes aim inconsistent and impossible to train with muscle memory. CS 1.6 enables acceleration by default even if Windows has it disabled, which is why standard Windows settings alone are not enough. This guide covers every layer of the fix — Windows settings, launch options for Steam and Non-Steam, console commands, config file editing, and DPI configuration. If you need a clean installation first, download Counter-Strike 1.6 before starting.

• Disable Mouse Acceleration in Windows
• Noforce Launch Options (Steam)
• Noforce Launch Options (Non-Steam)
• Console Commands
• Configure Sensitivity and Pitch/Yaw
• Edit config.cfg to Lock Settings
• Configure Mouse DPI
• Test and Verify
• Quick Reference — All Commands

Disable Mouse Acceleration in Windows

CS 1.6 reads Windows mouse settings by default. If acceleration is enabled in Windows, it will affect the game regardless of what you set in the console. This must be disabled first before any in-game fix will fully work.

1. Press Windows + I to open Settings.
2. Click Devices (Windows 10) or Bluetooth & devices (Windows 11).
3. Select Mouse from the left menu.
4. Click Additional mouse options or Additional mouse settings on the right side.
5. In the Mouse Properties window, go to the Pointer Options tab.
6. Uncheck Enhance pointer precision. This is the Windows name for mouse acceleration.
7. Set the pointer speed slider to position 6/11 — the middle position. This is the only position where Windows applies a 1:1 ratio between physical mouse movement and cursor movement with no scaling.
8. Click Apply and OK.

Why 6/11 matters: At any other slider position, Windows applies a multiplier to mouse movement even with Enhance pointer precision disabled. Only the 6/11 position passes raw movement data without modification. This is the standard setting for competitive CS 1.6 players.

Noforce Launch Options (Steam)

Even with Windows acceleration disabled, CS 1.6 overrides your system settings when it launches and re-enables its own internal acceleration. The noforce launch options prevent this override and force the game to use your Windows settings instead.

1. Open Steam and go to your Library.
2. Right-click Counter-Strike 1.6 and select Properties.
3. In the General tab, find the Launch Options field.
4. Type the following:

   -noforcemaccel -noforcemparms -noforcemspd

5. Click OK and launch the game.

What each parameter does:

Parameter	What It Does
-noforcemaccel	Prevents CS 1.6 from overriding your Windows MouseThreshold values. Copies the current Windows acceleration settings into the game instead of using the GoldSrc defaults.
-noforcemspd	Prevents CS 1.6 from overriding your Windows MouseSpeed value. If Enhance Pointer Precision is disabled in Windows, this ensures it stays disabled inside the game.
-noforcemparms	Combines the effect of both above. Prevents the game from overriding both threshold and speed values. Use all three together for maximum coverage.

These three parameters together are the single most effective fix for CS 1.6 mouse acceleration. They stop the GoldSrc engine from applying its own mouse handling on top of your Windows settings.

Noforce Launch Options (Non-Steam)

Non-Steam CS 1.6 players cannot use Steam launch options. The equivalent fix is adding the noforce parameters to the game shortcut’s Target field.

1. Right-click your CS 1.6 desktop shortcut and select Properties. If you don’t have a shortcut, navigate to your installation folder, right-click hl.exe and select Create Shortcut.
2. In the Shortcut tab, find the Target field. It will look like:

   "C:\Games\CS 1.6\hl.exe"

3. Add the noforce parameters after the closing quote:

   "C:\Games\CS 1.6\hl.exe" -game cstrike -noforcemaccel -noforcemparms -noforcemspd

4. Click Apply and OK.
5. Always launch CS 1.6 using this shortcut — not by double-clicking the .exe directly.

Replace C:\Games\CS 1.6\ with your actual installation path. If your non-Steam version uses cstrike.exe or cs.exe instead of hl.exe, apply the same parameters to that executable instead.

Console Commands to Disable Acceleration in CS 1.6

After applying the launch options, set the following commands in the developer console to complete the fix. Press ~ to open the console.

m_rawinput 1
m_filter 0
m_customaccel 0

What each command does:

Command	What It Does
m_rawinput 1	Enables raw mouse input — the game reads mouse data directly from the hardware, bypassing all Windows processing. This is the strongest single command for eliminating acceleration in CS 1.6.
m_filter 0	Disables mouse input averaging over two frames. With filtering enabled, the game smooths mouse input which adds a subtle form of latency and inconsistency. Set to 0 for direct, unfiltered input.
m_customaccel 0	Disables CS 1.6’s built-in custom acceleration curve. Even with Windows acceleration off, this internal variable can still apply acceleration. Setting it to 0 removes it entirely.

Note on m_rawinput: Some older non-Steam builds do not fully support m_rawinput 1. If your mouse behavior feels the same with it on or off, your build may not implement it correctly. In that case, the noforce launch parameters become even more critical.

Configure Sensitivity, Pitch, and Yaw

With acceleration disabled, your sensitivity is now a fixed 1:1 ratio — the same physical distance always moves the crosshair the same amount. Now configure the exact values.

sensitivity 2.5
m_pitch 0.022
m_yaw 0.022

Command	What It Controls	Recommended Value
sensitivity	Overall mouse sensitivity multiplier	1.5 – 3.5 for most players. Lower = more precision, higher = faster turns
m_pitch	Vertical (up/down) mouse sensitivity	0.022 — the standard value. Negative value inverts the Y axis
m_yaw	Horizontal (left/right) mouse sensitivity	0.022 — the standard value. Do not change unless you have a specific reason

The relationship between DPI and in-game sensitivity: a player using 400 DPI with sensitivity 3.0 covers the same distance as a player using 800 DPI with sensitivity 1.5. The product of DPI × sensitivity is what determines your effective speed. Most competitive CS 1.6 players use 400–800 DPI with sensitivity between 1.5 and 3.5.

Edit config.cfg to Lock Settings Permanently

Console commands reset when you close CS 1.6. To make all mouse settings permanent, add them to your config files.

1. Navigate to your CS 1.6 installation folder and open the cstrike folder.
2. Open userconfig.cfg with Notepad. Create the file if it does not exist.
3. Add these lines:

   m_rawinput 1
   m_filter 0
   m_customaccel 0
   sensitivity 2.5
   m_pitch 0.022
   m_yaw 0.022

4. Save the file.
5. Now open config.cfg in the same folder. Search for any lines containing m_accel or m_mouseaccel. Remove those lines or comment them out by adding // at the beginning. These leftover variables can override your userconfig settings.
6. Save config.cfg. To prevent CS 1.6 from overwriting it on next launch, right-click the file → Properties → check Read-only.

For full details on keeping settings from resetting, see how to save CS 1.6 settings permanently.

Configure Mouse DPI

DPI (dots per inch) determines how many pixels the cursor moves per inch of physical mouse movement. Higher DPI means faster cursor movement at the same sensitivity setting. CS 1.6 competitive players overwhelmingly use 400–800 DPI because it requires larger physical movements, which improves consistency and reduces the chance of overshooting targets.

1. Check if your mouse has a DPI button — most gaming mice cycle through preset DPI values. Press it until you reach 400 or 800 DPI. The current DPI is usually shown on a small LED or display on the mouse.
2. If your mouse has manufacturer software (Logitech G Hub, Razer Synapse, SteelSeries GG, Corsair iCUE), open it and set an exact DPI value. Set a single DPI profile — avoid DPI switching during gameplay.
3. After changing DPI, adjust your in-game sensitivity so your total effective sensitivity (DPI × sensitivity) stays the same. If you halve your DPI from 800 to 400, double your in-game sensitivity to compensate.

DPI	Typical Sensitivity in CS 1.6	Profile
400	2.5 – 4.0	Low DPI, large mousepad movements, high precision
800	1.5 – 2.5	Standard competitive setup
1600	0.8 – 1.5	High DPI, small movements, harder to control precisely

Test and Verify

After applying all fixes, verify that acceleration is actually gone. If your CS 1.6 mouse acceleration is still on after all steps, the checklist below will identify the remaining cause.

1. Launch CS 1.6 using the shortcut with noforce parameters.
2. Enter an offline bot match or empty server.
3. Move your mouse slowly across your mousepad and note where the crosshair stops. Then move the same physical distance faster. If the crosshair travels a different distance at different speeds, acceleration is still active.
4. With acceleration fully disabled, the crosshair should travel the exact same distance regardless of how fast or slow you move the mouse.
5. If acceleration still appears: verify that Enhance Pointer Precision is unchecked in Windows, that the noforce parameters are correctly applied in the shortcut or launch options, and that m_rawinput 1 is in your userconfig.cfg.

Quick Reference — All Commands and Settings

Setting	Steam	Non-Steam
Windows acceleration	Uncheck “Enhance pointer precision” — Pointer Options tab
Windows pointer speed	Set to 6/11 (center position)
Noforce parameters	Steam Launch Options: -noforcemaccel -noforcemparms -noforcemspd	Shortcut Target field: same parameters after closing quote
Raw input	m_rawinput 1 in console or userconfig.cfg
Mouse filter	m_filter 0
Custom acceleration	m_customaccel 0
Sensitivity	sensitivity 2.5 — adjust to preference
Pitch / Yaw	m_pitch 0.022 / m_yaw 0.022
Recommended DPI	400 – 800 DPI