October 26, 2023 Subject: Identification and Analysis of Device ID ACPI\VEN_PNP&DEV_0303
She opened the , found the yellow mark under “Keyboards,” and right-clicked. Instead of panicking, she chose Uninstall device . acpi\ven_pnp&dev_0303
: This is a legacy "Plug and Play" ID specifically reserved for IBM enhanced (101/102-key) PS/2 keyboards . Common Life Cycles of "0303" October 26, 2023 Subject: Identification and Analysis of
i8042prt.sys or a manufacturer-specific filter driver. Below is a technical overview structured as a reference paper for this hardware ID. Technical Profile: ACPI\VEN_PNP&DEV_0303 1. Identification & Classification Device Type: Human Interface Device (HID) / Input Device. Hardware Name: Standard PS/2 Keyboard or Integrated PS/2 Keyboard. Legacy ID: *PNP0303 (The original Plug-and-Play ID for IBM-enhanced 101/102-key keyboards). Bus Type: ACPI (Advanced Configuration and Power Interface), which handles hardware recognition and power management. 2. Common Implementations This ID is frequently found in laptop systems from major manufacturers, as the internal keyboard is often connected via a legacy-compatible PS/2 interface for maximum reliability. Notable devices include: 12 sites PS/2 Keyboard Driver for Dell - Inspiron 1545 With the different devices, they can have the same driver , it's because they all use the same chip manufacturer. How to select dr... DriverIdentifier Integrated PS/2 Keyboard Driver for SAMSUNG - DriverIdentifier Integrated PS/2 Keyboard. ACPI\VEN_PNP&DEV_0303 <---- Device ID matches with our database. ACPI\PNP0303. *PNP0303. 2.5.1.65,2013-1... DriverIdentifier Integrated PS/2 Keyboard Driver for SAMSUNG - RV411 working ... Integrated PS/2 Keyboard Driver for SAMSUNG - RV411 working on Microsoft Windows 10 Pro * Integrated PS/2 Keyboard. * ACPI\VEN_PNP... DriverIdentifier Show all HP/Hewlett-Packard: Laptops often list this as a "Standard 101/102-Key or Microsoft Natural PS/2 Keyboard with HP QLB". Dell: Found in the Inspiron series (e.g., 1720, 1545). Samsung & Sony: Integrated into Samsung RV411 and Sony VAIO VPCEC series. Fujitsu & Acer: Often utilized with a "Keyboard Device Filter" driver to handle specialized function keys. 3. Driver Architecture Primary Driver: i8042prt.sys (The Windows PS/2 Port Driver). Function: Translates physical key presses into scan codes that the operating system interprets as text or commands. Compatibility: Supported across all major Windows versions, from Windows XP through Windows 10 and Windows 11 . 4. Troubleshooting "Unknown Device" Issues If this ID appears in Common Life Cycles of "0303" i8042prt
Even if your laptop or desktop doesn't use a physical round PS/2 port, many internal laptop keyboards are still connected via an internal PS/2 interface. Common Issues and Solutions
But one little device was lonely. Its name was . (Its full title, ACPI\VEN_PNP&DEV_0303 , was so long that only the computer’s kernel could pronounce it.)