DriverCove

Optical Mouse Driver 21.8.1.319

by LXD Company732-bitSHA-256 verified

Manufacturer
LXD Company
Device
Optical Mouse
Driver version
21.8.1.319
Release date
January 26, 2013
Supported Windows
Windows 7
Architecture
32-bit (x86)
File size
31 KB
File name
20877697_703795fd35eda845e4362cf7fef3f70a96318b07.cab
Digital signature
Signed - catalog GMLXDFltr0132.cat
INF version
01/26/2013,21.8.1.319
INF provider
LXD Company
Device class
HIDClass
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
a326029f823aa8eef51b5055700b48ca9131bedb52d8acbf57accae3b5010c93

Supported hardware IDs (2)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 7) and architecture (x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).