Screen blinks twice before entering the logon credentials.

Original title: logon screen

When I go to log on to my pc, the screen flashes 2 times, then I can enter my password, when Internet Explorer starts, it also does the same thing. How can I stop this?

Hello

1. have you started facing this problem recently? If so, were there any hardware or software changes made on the PC before this problem?

2. What is the brand and model of the PC?

It seems that the graphics card is obsolete or damaged.  I suggest you follow these methods and check if it helps.
Method 1:
You can consult this article and install all the latest Windows updates and update the display driver yourself.  Follow this link.
http://Windows.Microsoft.com/en-us/Windows-8/all-drivers

Method 2:
If this does not help, you can try uninstalling and reinstalling the graphics driver.

a. press the Windows key + X, choose Device Manager.

b. develop graphics cards.

c. right-click on the graphics driver and click on uninstall.
You can follow the same article to download and install the display driver.

Let us know if it helps. If the problem persists, we would be happy to help you.

Tags: Windows

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