Windows 10: External display slow down the laptop and cursor continuously blinking

Hello Microsoft Community. I have a vostro 14 laptop with Windows 11 Pro installed with following specifications. Core i77th generation 8gb rab128gb SSD for Windows 500gb HDD for other stuffI have 24 inch Samsung LED. I've been using external display for the last year with my laptop without any problem. But in the last few days whenever i attach my external display my laptop went extremely slow and cursor start blinking. I can't even close the open window of any app. But when i detach my display the laptop start working again normally. I tried changing VGA cable, mouse, keyboard but nothing wo

:)

 

My cursor blinks continuously.

My cursor started blinking continuously just in the last 2-3 days. Could I have done something to cause this? Anyone have this problem? It is annoying.

 

Flickering and blinking laptop screen

I'm using a laptop with Windows 10 and an Intel HD Graphics 4600 display adaptor. A few days ago I attached a Dell D3000 dock to my laptop, and almost immediately my laptop screen started to flicker and repeatedly blink off and on again. I disconnected the dock, which did not resolve the problem, and since then I've tried various techniques to fix the problem, but none of them have worked. In order, this comprised of:

1. attempting system restore - but all five restore points were corrupted (?!);
2. updating the driver for the Intel display adaptor;
3. rolling back the driver for the Intel display adaptor;
4. uninstalling the driver for the Intel display adaptor;
5. downloading Windows 10 from the Microsoft site and re-installing it.

The problem has persisted even when I disconnected everything from my laptop, took it to my workplace, and switched it on there (using its battery for power); so the following possible reasons can be ruled out: its location in my house, any attached peripherals, a faulty power cable.

I am certain the problem is in some way connected to the Intel HD Graphics 4600 display adaptor:

1. after I completely uninstalled it - which reverted the graphics card to the standard Microsoft one - the screen didn't flicker or blink once afterwards (I left the laptop switched on for about an hour without incident, whereas previously I would experience as many as ten 'events' a minute). This rules out a possible damaged connection between the body of the laptop and its screen. However, when Windows auto-installs updates it reinstates the Intel one...
2. ...and when the laptop is switched on the screen flickers and repeatedly blinks off and on again...
3. ...although, strangely, connecting an external monitor to the laptop (HDMI to HDMI) results in neither the laptop screen nor the external monitor flickering or blinking. The problem returns when I disconnect the HDMI cable from the HDMI port on the laptop.

I now have the inescapable feeling that when I attached the dock I somehow fried the Intel display adaptor, and it isn't possible to fix it: I have read in the forums that replacing the graphics card on a laptop is well-nigh impossible. But if anyone else can suggest an approach I haven't yet tried I'd be very receptive!

As an aside, I contacted the retailer and they have sent me all of the drivers that are available for my system, but I don't know how to install them.

 

Fast blinking cursor

Hi,

Welcome to Microsoft Community.

Sorry to know that the cursor blinking constantly on Windows 10. I will certainly help you.

This issue might occur if the Cursor blink rate is set to Fast.

I suggest you to follow the below steps and check if it sets the Cursor blink rate to normal. Here's how:

1. Open Control Panel by right click on
Start Button.

2. Change the view by option on the top right to
Large icons.

3. Click on Keyboard, Keyboard Properties window opens, set the
Cursor blink rate as you wish.

4. Click on Apply and OK, check if the issue is resolved.

Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.

Thank you.