Lenovo X201 Pci Serial Port Driver Windows 10 !!top!! Jun 2026

Reboot. Go to Device Manager. The “PCI Serial Port” should now appear under “Ports (COM & LPT)” as “Intel(R) Active Management Technology - SOL (Serial over LAN)” or “Communications Port (COM1).”

: This is the most direct fix for the serial port error. You can often use the Windows 7 or 8.1 version of the Intel AMT Management Engine Interface , which frequently remains compatible with Windows 10.

To clear the yellow exclamation mark in Device Manager, try these steps in order:

A pause. A blink.

Extract the contents (right-click the .exe -> Extract with 7-Zip or run it to explode to C:\DRIVERS\SERIAL ).

For the , the "PCI Serial Port" driver error in Windows 10 is typically caused by missing Intel Active Management Technology (AMT) components . Because the

She spent three hours on Lenovo’s support graveyard. The X201’s page listed drivers for Windows 7, Vista, and even XP. Windows 10? “Not supported.” She tried the Windows 7 driver anyway. “This driver is not intended for this platform.” lenovo x201 pci serial port driver windows 10

Without this driver, you lose access to the Intel AMT features (such as Intel Anti-Theft Technology), and in some rare cases, you might experience higher power consumption or sleep/wake stability issues, as the Management Engine plays a role in system power states.

Sometimes Windows 10 blocks the older Lenovo driver even after manual installation. You must temporarily disable driver signature enforcement.

Outside, dawn painted the lab windows. Marta saved the driver folder to three different backups. She labeled it: “X201_Serial_Undead — DO NOT LOSE.” Reboot

Run Setup.exe as Administrator.

The "PCI Serial Port" device (often with Hardware ID PCI\VEN_8086&DEV_3B67 ) corresponds to the or Intel AMT Serial-over-LAN (SOL) . 2. Recommended Solutions