Pegatron N14939 Driver - 91

Pegatron N14939 typically refers to a chassis/intrusion detection or legacy ACPI device found on older Pegatron motherboards (often used in OEM systems like HP, Compaq, or ASUS). Code 91 means the driver has been blocked from loading because it is not compatible or poses a security risk. Technical Report: Pegatron N14939 Driver (Error Code 91) 1. Executive Summary Device: Pegatron N14939 (ACPI/PNP Device) Issue: Windows Device Manager reports "This device is not working properly because Windows cannot load the drivers required for this device. (Code 91)" Status: The driver is being blocked by Windows Driver Protection (or HVCI/Memory Integrity) due to an unsigned, outdated, or incompatible driver. 2. Device Identification | Property | Value | | :--- | :--- | | Manufacturer | Pegatron Corporation | | Hardware ID (Typical) | ACPI\VEN_PNP&DEV_0C31 or ACPI\PNP0C31 (Thermal Zone/Chassis) | | Alternative ID | ACPI\VEN_N14939 or ROOT\SYSTEM\0001 | | Device Class | System / ACPI (Advanced Configuration and Power Interface) |

Code 91 for Pegatron N14939 is a benign compatibility warning , not a critical failure. Do not spend time searching for a specific driver—it does not exist as a signed 64-bit package. Report generated: April 2026 For exact hardware ID, run Get-PnpDevice -PresentOnly | Where-Object $FriendlyName -like "*N14939*" in PowerShell. pegatron n14939 driver 91

This is a report regarding the device, specifically addressing the driver status for Code 91 in Windows. Device Identification | Property | Value | |