BSOD When Connecting an External Monitor | Reasons & Fixes

The Blue Screen of Death (BSOD) problem plagues many computer users who connect to external monitors. This article will explore in-depth the reasons for BSOD when connecting external monitors and effective solutions.

"BSOD appears when using an external monitor. My Windows 10 Home Acer laptop often has BSOD in different situations, and this problem only occurs when using an external monitor ."

As the user said, blue screens sometimes appear when connecting to an external monitor. Why does this problem occur?

Reasons for blue screen after connecting to an external monitor

There are many reasons for blue screen when connecting external monitors, and the following are common reasons:

• The display driver is incompatible with the external monitor. The driver may be expired or damaged.
• There are problems with the display resolution/refresh rate, including incorrect resolution settings, constant changes to some applications, etc.
• There is a hardware compatibility problem between the external monitor and the computer.
• ...

Here are some practical ways to solve the problem of blue screen when connecting external monitors.

Solution to the BSOD when connecting external monitors

Method 1: Connect the monitor to other devices

Try connecting the monitor to another computer and see if the blue screen disappears. If it disappears, there may be compatibility issues between the current computer and the monitor. To troubleshoot this, make sure the monitor is connected to the computer via the correct cable and port. Additionally, you can try using different connection methods such as HDMI, VGA, or DisplayPort.

Method 2: Reinstall the display driver

As mentioned earlier, if there is a problem with the display driver, it may cause BSOD when connecting to an external monitor. To resolve this issue, you can choose to reinstall the display driver.

Step 1: Right-click the Start button on the taskbar and select Device Manager .

Step 2: Expand the Show Adapter Category, then right-click the target external adapter and select Uninstall Device . After that, you may be asked to restart your computer.

Step 3: After restarting the computer, open Device Manager and expand Show Adapter Category again. Then, right-click the Show Adapter and select Update Driver .

Step 4: Select Automatically Search Driver and follow the on-screen instructions to complete the remaining steps.

Method 3: Adjust the display resolution

As mentioned earlier, incorrect resolution settings may be the reason for BSOD when connecting to an external monitor. In this case, you can try changing the screen resolution and then check if the problem is resolved.

Step 1: Press Windows I to open settings.

Step 2: Select Easy Access > Other Display Settings .

Step 3: Now you can select the preferred display resolution from the drop-down list.

Method 4: Disable refresh rate change

Depending on the user experience, changes in screen refresh rate may also cause blue screens for external displays for some reasons. Therefore, you need to verify that your computer or external monitor is changing the refresh rate and find a way to keep it constant.

This article may be helpful: Screen resolution changes by itself for Windows 10 .

The above is all about how to fix the Blue Screen of Death problem when connecting an external monitor. You can try these methods one by one and check if they work.

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Summarize

This article shares some useful ways to solve the emergence of BSOD when connecting an external monitor. You can try these methods one by one and check if they work.

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