5 ways to fix Not Detecting Second Monitor in Windows 10

By | September 19, 2020

In this blog, We will discuss how to troubleshoot not detecting Second monitor issue in Windows 10.

not detecting second monitor

The second monitor is an easy and convenient way to connect your computer on another display such as a Large size of LED, Projector Tablet, etc. If you want to play such as a game on a large screen from the help of Windows 10 you can directly access the game on the second screen.

The second monitor is the best way for multitasking if you are in a meeting and want to share a presentation from Laptop to large Screen Plasma. Some of the quick process you can directly attach your computer to the second monitor or Plasma.

Sometimes it will happen that whenever you want to try your computer to connect with the second monitor comes error like “not detecting second monitor” in windows 10.

There are a few root causes of the error that can be divided into two sections like Hardware and software. Now we are going to discuss all the steps one by one that will be helpful for troubleshooting your problems.

How to Fix not detecting the second monitor on Windows 10?

How to troubleshoot “not detecting second monitor” using Hardware?

In most Windows 10 cases like 70% of Software and 30% of hardware issues, but in here we are going to troubleshoot the issue from Hardware first. There are some root cause in hardware and should try these troubleshooting steps-

  • Verify your correct input selection such as HDMI and VGA Cable.
  • Disconnect the Cable from both sides and reconnect.
  • If you have another Cable try from another cable.
  • If you have another LED or Laptop try from them and verify the port of the Laptop and LED.
  • You may need to check the latest Firmware and Update firmware from respective Hardware websites.
  • Once You restart your LAptop and second monitor.

Now we are going to troubleshoot issue ”not detecting second monitor” from Software sections.

How to troubleshoot “not detecting second monitor” using Software?

We are going to discuss all the root cause using software and rectify the issue not detecting second monitor.

1.Update Detect Settings

If you are using older display and trying to connect with Windows 10 then might not always connect automatically then you should select detect to try to connect to them. For same you need to follow following steps-

  1. Click on Start then select Windows Settings.
settings Options in Windows 10

2. Click on System (Windows Settings).

Display Settings

3. Click on Detect from Display Options.

Multiple display

2. Trying to Connect From Wireless Connection

If you are using latest technology such as LED then you should try to connect from wireless or Bluetooth for same you need to follow below steps-

  1. Click on Start then select Windows Settings.
  2. Click on Devices (Windows Settings).
Device settings

3. Click on Add Bluetooth or other device button.

Add wifi settings in Windows 10

4. Click on Wireless display or Dock ( connected from wireless monitors, TVs or PCs that used Miracast or wireless docks).

Wireless Display Options

5. Make sure for turn on Secondary monitor that you want to connect for wireless connection.

6. Select the display from the list from that you want to pair.

3. Roll Back Display and Monitor Drivers.

Roll Back is also one of the technique to resolved ”not detecting second monitor” issue. If sometimes your Display or Monitor Drivers update automatically then Roll back features in Windows 10 that allow user reverse update drivers to old drivers.

For Roll Back Display and Monitor Drivers you need to follow following steps-

(Roll Back Display Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Display Adaptors and select Properties.
  3. Select Driver Tab and Click on Roll Back.
  4. Click on OK.
Roll Back Drivers

(Roll Back Monitor Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Monitors and select Properties.
  3. Select Driver Tab and Click on Roll Back.
  4. Click on OK.
Roll Bakc MOnitor Drives

4. Update Monitor and Display Driver

If you are getting problem “not detecting second monitor” Drivers Update is too useful for troubleshoot the problem .

You need to follow following steps to Update monitor and Display Drivers-

(Update Display Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Display Adaptors, and click on update driver.
Update Display Driver

3. Click on search automatically for update drivers software.

Automatic Update

4. Download Driver from the Internet then Click on Close and Restart Your computer.

(Update Monitor Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Monitors, and click on update driver.
Monitor Update Driver

3. Click on search automatically for update drivers software.

4. Download Driver from the Internet then click on Close and Restart Your computer.

5. Re-install Monitor and Display Driver

For Re-install Monitor and Display driver, you need to follow the following steps-

(Re-install Display Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Display adapter, and click on uninstall device.
Uninstall device

3. Click on Uninstall and OK.

Uninstall Options

4. After removed , Restart your computer and scan for driver update.

It will automatically update then OK. Otherwise, download and Install Driver.

(Reinstall Monitor Driver)

  1. Press (Windows +R) and type hdwwiz.cpl
  2. Right Click, On Monitors, and click on uninstall device.
  3. 3. Click on Uninstall and OK.

4. After removed , Restart your computer and scan for driver update.

It will automatically update then OK. Otherwise, download and Install Driver.

Hopefully from the above steps your issue “not detecting second monitor’ has been resolved. If you have any question Please comments me.

Thanks For Reading, have a nice Day.

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