Prolific - Ports - 5.2.1.2 Driver 5.2.1.2
by ProlificWindows 11Windows 1064-bitSHA-256 verified
- Manufacturer
- Prolific
- Device
- Prolific - Ports - 5.2.1.2
- Driver version
5.2.1.2- Release date
- November 10, 2021
- Supported Windows
- Windows 11, Windows 10
- Architecture
- 64-bit (x64)
- File size
- 107 KB
- File name
26e65fbe-f887-4c62-aa63-93073867ac23_45302713d437538adbe0270c0382d228db9df855.cab- Digital signature
- Signed - catalog
plser_1.cat - INF version
11/10/2021,5.2.1.2- INF provider
- Prolific
- Device class
- Ports
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
9d28463a09cb056ef573697f5524e66c865c16a087dc62a2ece1b897d679e3c5
Supported hardware IDs (18)
- USB\VID_067B&PID_2320
- USB\VID_067B&PID_2322
- USB\VID_067B&PID_2323
- USB\VID_067B&PID_23A3
- USB\VID_067B&PID_23C3
- USB\VID_067B&PID_23D3
- USB\VID_067B&PID_23E3
- USB\VID_067B&PID_23F3
- USB\VID_067B&PID_FFFF
- USB\VID_067B&PID_23B3
- USB\VID_067B&PID_2321&MI_00
- USB\VID_067B&PID_23A3&REV_0705
- USB\VID_067B&PID_23A3&REV_0105
- USB\VID_067B&PID_23A3&REV_0305
- USB\VID_067B&PID_23A3&REV_0505
- USB\VID_067B&PID_23A3&REV_0405
- USB\VID_067B&PID_23A3&REV_0605
- USB\VID_067B&PID_23A3&REV_0100
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
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 11, Windows 10) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - 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. - 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).