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To map a gaming-mouse button, open the configuration software that supports your exact model, select the mouse, choose the button-assignment screen, select the physical button, and assign a mouse action, keyboard key, or supported macro. Save the profile, activate it for the intended game, and test it there. The menu names, macro functions, profile behavior, and whether the mapping survives without the software depend on the mouse, software version, and assignment type.
What gaming-mouse button mapping changes
Button mapping replaces the default action of a physical mouse button with an input your game or application can use. Depending on the model and its software, you may assign:
- A built-in mouse function, such as a primary, secondary, middle, forward, or back action.
- A keyboard key or key combination, so a thumb button sends the same input as a keyboard control.
- A multikey macro made from supported keyboard and mouse events.
The assignment is created in the mouse manufacturer’s configuration program, not in a universal Windows or macOS setting. A button that appears programmable on the hardware may still be limited by the model’s firmware or by what the software supports. Treat the exact model and software version as the source of truth.
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|---|---|---|
| Mouse function | Use a side button as a standard click, middle click, forward, or back control. | Whether the software exposes that function for the selected button. |
| Keyboard remap | Send a game key such as reload, crouch, push-to-talk, or a shortcut from the mouse. | That the game recognizes the selected key and that no other binding conflicts with it. |
| Macro | Run a supported sequence of keyboard and mouse events from one press. | Which event types, delays, repeat modes, and storage locations the model allows. |
A game can interpret the same mapped input differently from a desktop application. For that reason, a mapping that works in a text field is not automatically proof that it will work in the game you intend to play.
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Check compatibility before assigning anything
Start with the documentation and software for the exact mouse rather than a similarly named model. Confirm these points:
- Software support: Install the manufacturer’s current configuration utility that recognizes your mouse. If the device is not listed, its buttons cannot be configured through that utility.
- Operating-system support: Check that the utility and the mouse support the operating system on the computer where you will configure and use the device.
- Assignable buttons: Some buttons may be reserved for hardware functions or profile switching and may not accept every action.
- Action types: Verify whether the model supports mouse functions, keyboard remaps, macros, or only a subset of them.
- Profiles: Determine how the software selects a profile for a game or program and whether the profile can be stored on the mouse.
- Onboard memory: If you need the mapping on another computer or with the utility closed, confirm that the exact assignment type can be saved to onboard memory.
Do not infer current availability from an old product page. For example, Logitech documentation for the G600 demonstrates configurable profiles and many buttons, but that documentation alone does not establish that the model is currently sold or supported in every region.
General setup: map a button in six steps
- Connect and identify the mouse. Plug in the mouse or pair it as directed, open the supported configuration utility, and select the device from the device list.
- Open button assignments. Look for a section labeled Button Assignments, Key Assignments, Actions, Customize, or a similar term. The label changes between utilities and versions.
- Select the physical control. Click the on-screen representation of the side, top, or other button you want to change. Confirm that the selected control is the intended one before editing it.
- Choose an action. Select a mouse function, keyboard remap, or macro category that the software offers. Pick the specific key or function, or open the macro editor to build a sequence.
- Save the assignment. Apply or save the change to the current profile. Some utilities save immediately; others require an Apply, Save, or profile-save command.
- Test in the target application. Launch the game or program, make sure the profile containing the mapping is active, and test the button in a safe context. Check both the intended action and any original action you no longer want the button to perform.
If the assignment works in the configuration utility but not in the game, do not immediately recreate it. First confirm the active profile and whether the game recognizes the keyboard or mouse input selected for the mapping.
Concrete iCUE 5 remapping flow
Corsair’s documented flow for iCUE 5.14 and newer illustrates how version-specific the labels can be. The following path applies to the supported devices and software covered by that documentation:
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- Open iCUE and select the mouse.
- Choose Key Assignments.
- Add an assignment.
- Select the keyboard-remap action.
- Choose the keyboard key you want the physical mouse button to send.
- Save the assignment in the active profile and test it in the intended game or application.
Older iCUE releases use different screens and steps, so do not force this path onto an older installation. If a menu is missing, check the instructions for your installed version and device rather than selecting an unrelated action type.
Logitech assignments and legacy macro software
Logitech’s G502 support documentation describes assigning a mouse function, a keystroke, or a multikey macro, and it also describes onboard configuration for supported button actions. In the current utility for your device, the names of the screens may differ from the labels in that page, so use the device-specific instructions shown by the software.
Legacy Logitech Gaming Software (LGS) documentation describes macros assembled from keystrokes and mouse events. Use that editor only when LGS still supports your exact mouse; a guide written for an older utility may not apply to a newer model or operating system.
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The G502 support page also notes that its firmware-update tool is no longer maintained and directs readers to check supported devices for Logi Options+. That notice concerns the specific firmware tool. It is not evidence that every Logitech gaming-mouse configuration utility is discontinued, so verify the software listed for your model before changing tools.
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Build a macro that behaves predictably
A macro is more than a renamed key binding: it is a sequence of events that the software records or assembles and then sends when you press the assigned button. Use the manufacturer’s macro editor and keep the sequence as simple as the game requires.
- Open the macro editor. From the button-assignment screen, choose the macro option offered for the selected button.
- Choose the trigger behavior. The utility may offer a press, hold, toggle, or repeat behavior. Select only a mode the model and software document.
- Record or insert events. Add the supported keyboard and mouse events in the order required by the application. If the editor records timing, review the recorded delays rather than assuming they are ideal.
- Assign the finished macro. Return to the physical-button view and attach the saved macro to that button.
- Test outside a critical match first. Use a practice area or low-risk context. Confirm that pressing and releasing the button produces the expected sequence and that a repeat or toggle does not continue unexpectedly.
Macro support is not uniform. One model may accept keyboard and mouse events while another limits the available event types or stores only simpler assignments. The software’s available controls, not the presence of a macro label in a generic guide, determine what you can use.
Use separate profiles for separate games
Profiles let the same physical button perform different actions in different programs. Create a profile for each game or application that needs a distinct layout, then associate it with the program using the utility’s profile mechanism.
Profile setup
- Create or select the profile for the game.
- Assign the game’s controls to the desired mouse buttons.
- Save the profile and configure its game or program association if the utility supports automatic switching.
- Launch the game and verify that the profile shown as active is the one you edited.
SteelSeries support documentation describes profiles for different games and programs and notes that side-button behavior depends on the application. This explains a common failure pattern: the mapping is correct in the editor, but a different profile is active when the game starts.
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Will the mapping work when the software is closed?
Only sometimes. Onboard memory means the mouse can store some configuration, but it does not prove that every macro, profile rule, timing option, or software feature will run without the utility. Storage and playback capabilities are model- and assignment-dependent.
| Situation | What you can safely assume | What you must test or verify |
|---|---|---|
| The utility shows an onboard-memory mode. | At least some configuration can be written to the mouse. | Whether the specific button assignment and profile are among the supported items. |
| A keyboard remap is saved to onboard memory. | The mouse may send that key on another computer. | Whether the destination computer and game recognize the key as expected. |
| A macro is saved to onboard memory. | Nothing beyond what the exact documentation states. | Whether that macro type, timing, repeat behavior, and event set are stored and replayed without the utility. |
| The utility is closed but the mouse remains connected. | The last active software profile may continue to affect behavior on some systems. | Whether the device has actually written the profile to hardware or still depends on the background utility. |
After saving to onboard memory, close the configuration utility or connect the mouse to the computer where you need it and test again. If the assignment disappears, consult the exact model instructions; do not assume that a more expensive model or a larger button count guarantees broader onboard support.
How to choose a mouse for custom mappings
If your current mouse lacks the controls or software actions you need, compare capabilities rather than relying on the phrase “gaming mouse.” The most useful criteria are below.
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| Programmable-button count | How many buttons can actually be reassigned? | More physical controls allow more simultaneous game commands, but unused buttons add no benefit. |
| Button placement | Can you reach the buttons without changing your grip or pressing the wrong control? | Thumb-panel layouts suit many commands; a crowded layout may be slower or less comfortable. |
| Action support | Are mouse functions, keyboard remaps, and macros all available? | Your intended mapping may require a capability the model does not provide. |
| Profile behavior | Can profiles be tied to games or programs, and how are they switched? | Per-game layouts are practical only when profile selection is reliable. |
| Macro support | Which event types, repeats, and timing controls are documented? | Macro labels vary; the supported event set determines what can be automated. |
| Onboard memory | Which assignments survive without the utility? | This matters when you move the mouse between computers or cannot run background software. |
| Software and OS compatibility | Does the configuration utility support your computer and the device? | A programmable mouse is not useful if the utility cannot recognize it. |
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Side buttons not working: a diagnostic checklist
When a side button fails, work from the device outward. The same symptom can come from an unassigned control, the wrong profile, an unsupported action, or application-specific behavior.
| Symptom | Likely check | Next action |
|---|---|---|
| The mouse is absent from the configuration utility. | Device recognition or unsupported software. | Confirm that the utility is the one for the exact model, reconnect the mouse, and verify that the model appears before editing assignments. |
| The button is visible but cannot be edited. | The control may not be assignable on that model or in that profile. | Select the correct device and profile, then check the model’s assignment limits. |
| The button works in the desktop but not in the game. | The game may not accept the mapped keyboard input or mouse function. | Test the same input in the game’s own control settings and confirm that the intended profile is active. |
| The mapping works in one game but not another. | Different profile or application behavior. | Associate and activate the profile for the second game, then test that game’s expected input. |
| The mapping works with the utility open but fails after it closes. | The assignment may not be stored in onboard memory. | Save it using the device’s onboard-memory procedure and test the exact assignment without relying on the utility. |
| A legacy tutorial does not match the menus. | Software-version or device mismatch. | Use the current instructions for your model and installed version; do not assume an older macro editor still supports the device. |
Check the active profile before rebuilding the mapping
Open the utility while the game is running and identify the profile marked active. If it is not the profile you edited, switch to the intended profile or correct the game’s association. Reassigning the button in the wrong profile will not fix an activation problem.
Check the input the game actually receives
A keyboard remap sends a keyboard input, not a special “gaming” signal. A game may ignore that key, reserve it for another action, or handle side-button input differently from the desktop. Test the selected key or mouse function in the game’s control interface and choose an input the game supports.
Check onboard behavior separately
If the mapping is needed away from the configuration computer, save it to onboard memory where the model supports that feature, disconnect or close the utility as appropriate, and test again. If only the macro fails while a simple key remap works, the distinction is evidence that the model stores those assignment types differently; consult its documentation rather than assuming the hardware is defective.
A reliable validation routine
Use this short routine whenever you create or change a mapping:
- Confirm the utility recognizes the exact mouse model.
- Confirm the physical button selected on screen matches the button you intend to press.
- Check the action type and the exact key, mouse function, or macro attached to it.
- Save the assignment to the correct profile.
- Verify that the profile is active for the intended game or program.
- Test the input in the application, not only in the configuration utility.
- If portability matters, save the supported configuration to onboard memory and repeat the test with the utility unavailable.
Bottom line
Successful button mapping is a three-part match: the exact mouse model, the configuration software and version, and the game’s handling of the resulting input. Assign a simple mouse function or keyboard key first, use the manufacturer’s macro editor only for supported sequences, keep per-game profiles explicit, and treat onboard memory as a capability to verify rather than a guarantee.
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