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If Windows 11 does not detect a second monitor, check the cable, monitor input, graphics driver, and display settings.

## Method 1: Check the cable and input
Make sure the monitor is powered on, reconnect the HDMI or DisplayPort cable, select the correct monitor input, and test another cable or port if possible.

## Method 2: Detect the display
Open Settings > System > Display > Multiple displays and select Detect. If the monitor appears, choose Extend or Duplicate.

## Method 3: Reset the graphics driver
Press Windows + Ctrl + Shift + B. The screen may briefly flicker. Wait a few seconds and check again.

## Method 4: Check projection mode
Press Windows + P and choose Extend or Duplicate.

## Method 5: Update the graphics driver
Open Device Manager > Display adapters and check the graphics device. Update it or use the current driver from the GPU manufacturer’s official support page.

## Method 6: Test the monitor elsewhere
Connect the monitor to another computer. If it works there, investigate the original PC’s cable, port, settings, or driver.

### Final tip
On a desktop with a dedicated graphics card, connect the monitor to the graphics card outputs rather than the motherboard outputs when appropriate.

A Windows 11 touchpad that stops responding can be caused by a disabled setting, driver problem, or hardware issue.

## Method 1: Enable the touchpad
Open Settings > Bluetooth & devices > Touchpad and make sure the Touchpad switch is on. Also check your laptop’s function keys for a touchpad-disable button.

## Method 2: Restart the laptop
Save your work and restart Windows. Temporary driver and shell problems can disappear after a reboot.

## Method 3: Check the driver
Open Device Manager and inspect Human Interface Devices and Mice and other pointing devices. Update the touchpad driver. If the problem started after an update, check whether Roll Back Driver is available.

## Method 4: Reinstall the device
In Device Manager, uninstall the touchpad device and restart Windows so it can attempt to reinstall it. If necessary, use the laptop manufacturer’s official driver.

## Method 5: Install Windows updates
Open Settings > Windows Update and install available updates, including relevant optional driver updates.

## Method 6: Test an external mouse
If a USB or Bluetooth mouse works while the touchpad remains unresponsive, focus on the touchpad setting, driver, or hardware.

### Final tip
If the touchpad fails in hardware diagnostics too, contact the laptop manufacturer.

If Windows 11 takes a long time to start, too many apps launching automatically may be part of the problem.

## Method 1: Disable startup apps in Task Manager
1. Press **Ctrl + Shift + Esc** to open Task Manager.
2. Select **Startup apps**.
3. Review **Startup impact**.
4. Right-click apps you do not need immediately after sign-in.
5. Select **Disable**.

This does not uninstall the app and you can enable it later.

## Method 2: Use Settings
1. Open **Settings > Apps > Startup**.
2. Turn off apps that do not need to launch with Windows.
3. Restart the PC and compare startup time.

## Method 3: Check the Startup folder
1. Press **Windows + R**.
2. Type `shell:startup` and press Enter.
3. Remove shortcuts for programs you do not want to launch automatically.

Only remove shortcuts you recognize.

## Method 4: Check each app’s settings
Some programs have options such as **Launch at startup** or **Start with Windows**. Open the program and disable that option if available.

## Method 5: Check background activity
Open **Settings > Apps > Installed apps** and review the advanced options of apps that continue using resources after startup.

## Method 6: Restart and test
Restart Windows and open Task Manager immediately after signing in. Check CPU, memory, and disk usage.

### Final tip
Avoid disabling security software or essential Windows components unless you know exactly what they do.