Dual Monitors Swapping Sides Randomly Windows 11 Fix [2026]

Quick Answer: Monitors swap sides because Windows auto-detects displays and reassigns IDs. Drag displays to correct positions in Settings > Display, click "Identify", and uncheck "Remember window locations based on monitor connection".

Symptoms

Left monitor becomes right monitor after reboot
Monitor arrangement resets randomly
Windows open on wrong monitor
Issue started after GPU driver update

Root Cause

Windows re-enumerates displays on each boot; driver updates can change display IDs.

Fix

Method 1: Rearrange and Apply

Settings → Display
Drag display icons to match physical layout
Click Apply

Method 2: Disable Auto Detection

Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\Configuration" -Name "PreferCloneOnEnum" -Value 0

Method 3: Update GPU Drivers

Get-PnpDevice -Class Display | Update-PnpDevice

Method 4: Use DisplayPort for Primary

DisplayPort maintains EDID better than HDMI, preserving monitor identity.

How Againly Helps

Againly runs check_display_topology to detect display ID changes and lock monitor positions.

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