Aug. 03, 2025 / Updated by Seraphina to Windows Driver Solutions
When using older desktop computers or some legacy laptops, you may find that they still rely on PS/2-connected mouse or touchpads.
To ensure these devices function properly on Windows 10 or Windows 11, installing the correct PS/2 compatible mouse driver is essential.
This article will guide you through the process of downloading and installing the driver, as well as solving common related issues.
PS/2 is a round 6-pin interface commonly used on older motherboards for connecting mouse and keyboards. Although USB has become the standard, some industrial machines and old computers still use PS/2 ports. The PS/2 compatible mouse driver is a system component that allows Windows to recognize and operate these older input devices.
While Windows often detects PS/2 mouse automatically, you may still need to install or update the driver in the following situations:
The mouse doesn't move or respond to clicks
Device Manager shows "Unknown Device" or "Driver Error"
Mouse functionality is lost after a system upgrade
The built-in touchpad on a laptop is unresponsive
For users unfamiliar with manual driver installation, using a third-party tool is a simple and effective solution. Driver Talent is recommended, a driver management tool that automatically detects missing or faulty drivers and provides one-click repair.
Click the download button to get the latest version of Driver Talent. After installing, open the software and click "Scan".
Once the scan is complete, you'll see a list of missing or outdated drivers. Locate the PS/2 compatible mouse or touchpad driver in the list and click "Update".
After updating, it's recommended to restart your computer to ensure the new driver is applied properly.
Some brands (such as Lenovo, HP, and Dell) provide dedicated touchpad drivers for their laptops:
Open a web browser and go to the official website of the manufacturer (e.g., HP).
Navigate to "Support" > "Software & Drivers".
Select your device category.
Enter your model number (e.g., HP 840 G1) into the search box.
Choose your operating system (Windows 10/11).
Locate the "Touchpad / Pointing Device Driver" and click "Download".
Run the installer, and restart your computer after installation.
Right-click the Start Menu and select "Device Manager".
Expand "Mice and other pointing devices".
Right-click PS/2 Compatible Mouse, then choose "Update driver".
Select "Search automatically for drivers".
Wait for Windows to find and install the updated driver.
Issue | Possible Cause | Suggested Solution |
Mouse not working | Loose or damaged PS/2 port | Reconnect and check motherboard |
Touchpad not working | Disabled in settings or BIOS | Enable in BIOS or use Fn+F7 |
Mouse works on and off | Wrong or incompatible driver | Roll back driver with Driver Talent |
Device not recognized | PS/2 disabled in BIOS | Enable PS/2 in BIOS |
Synaptics Touchpad – Common for HP, Dell, Lenovo laptops
Alps Pointing Device – Used in Toshiba, Sony
ELAN Touchpad Driver – Often found in Asus, Acer devices
Microsoft PS/2 Compatible Mouse Driver – Default for most motherboards
While PS/2 mouse and touchpads are rare in modern systems, they still serve a vital role in certain scenarios such as industrial maintenance or refurbishing older machines. Installing the correct driver is key to ensuring they function properly.
If your PS/2 mouse or touchpad isn't being recognized, try using Driver Talent first to detect and update drivers. Also, make sure PS/2 support is enabled in your BIOS settings to prevent device failure caused by disabled interfaces.
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