Windows 10: No output on external monitor after reinstalling windows 10.

Basically i reinstalled windows as i had problems with drivers, but now there's no output at all (worked before installing windows) but i know windows is booting normally, as there's sounds when pressing certain keys. screen works normally when booting ubuntu from flash drive.im thinking it may be graphics driver issue, any idea ? Thanks in advance.

submitted by /u/mitrivol
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:)

 

External monitor blanking often

Hi,

Please answer these questions to assist you better.

• What is the make and model of your computer and external monitor?
• Have you installed all pending Windows and driver updates?
• Do you get any error message?

I suggest you to install all pending Windows updates in your PC and also update Display drivers. Follow the steps below.

Step 1: I would suggest you to check and install any latest Windows Updates available.

• Go to Start and then Settings.
• Click on Update and Recovery.
• Check for updates under
  Windows Updates.
• Restart the system and check if the issue is resolved.

Step 2: Please refer to the following Wiki article created by
Andre Da Costa on How to: Install and Update drivers in Windows 10.

How to: Install and Update Hardware Drivers in Windows 10

Do let us know if you still get random black screen in the external monitor. Thank you.

 

External monitor display settings

Hi,



Thank you for posting in Microsoft Community.



I understand that you are facing issues with the display scaling on your external displays. We will certainly look into this for you.

As you are using Vizio TV, you may have to try using custom resolution settings if the in-built settings do not provide the required settings.

For better clarity, please let us know:

• What is the version of Windows 10 that is currently installed on your computer? You can click on Search and type
  winver.
• Are you aware of any recent changes to the system, such as updates, after which you are facing this issue?
• What is the make and model of your computer?

Meanwhile, I would suggest you to check the steps mentioned in the Workaround section in

Windows scaling issues for high-DPI devices

I would also suggest you to check the Display drivers. Please refer

Troubleshoot external monitor connections in Windows 10

Set up dual monitors on Windows 10



Let us know how it goes.

Regards,

Vivian S

 

connection problems External Monitor for laptop

If you're trying to use a wired external monitor is it connected to the laptop's HDMI output connector or the mini DisplayPort connector?

If you're using a wired external monitor and don't see any output, right-click on an empty spot on the Desktop and select Screen Resolution -> Detect

In addition, you may need to press the F7 key and select the mode in which the display will function. There are 4 modes:

• Disconnect (or Computer only): display only on the laptop's screen
• Duplicate: the same display on the laptop's screen and the external monitor
• Extend: extends the output so that you can drag things from one screen to the other
• Projector only (or Second Screen Only): displays only on the external monitor

Or are you trying to use wireless (Wi-Di or Miracast)?