Windows 10 Monitor Keeps Going Black Then Comes Back

• Computer Pausing Every Few Seconds
• Samsung Tv Blinks On And Off Every Few Seconds
• Twitch Freezing Every Few Seconds
• Yawning Every Few Seconds
• Minecraft Freezing Every Few Seconds

Recently, lots of computer users complain that their PC or laptop screen goes black every few seconds:

If you are experiencing the issue where your LED/LCD TV goes blank for few seconds every now and then, then the culprit is probably your HDMI to HDMI TV cabl. Run the Network Troubleshooter. In Windows 10, there are various troubleshooters to fix.

case 1. 'Sometimes this doesn't happen but when it does, my screen would go black for a second then 5 seconds go by and it happens again (it would repeat another 10 or more times). Other times it would turn black for a few seconds and it would flicker as well.'

case 2. 'My dell external monitor goes black after about three seconds and soon it turns on again, and then it will go on turning black. Please help me, this really bothers me a lot!'

See also:

How to Fix Screen Goes Black Every Few Seconds

In order to help you solve your screen goes black a few seconds problem, we have these solutions below:

Computer Pausing Every Few Seconds

Solution 1: Try a Windows Key Sequence to Wake the Screen

Simultaneously press the Windows logo key + Ctrl + Shift + B.

If Windows is responsive, a short beep will sound and the screen will blink or dim while Windows attempts to refresh the screen. If this does not work, please go on to the second solution.

Solution 2: Reinstall Your Graphics Card Driver

• Start your PC in Safe mode. (Go to 'Settings' > 'Update & security' > 'Recovery' > 'Advanced Startup' > 'Restart' now. Your PC will automatically boot into another Startup Settings screen, press F4 to initiate the reboot into Safe Mode. You may also press F5 to boot into Safe Mode with networking.)
• Select the search box on the taskbar, type device manager, and then select 'Device Manager'.
• Expand Display adapter.
• Press and hold (or right-click) the display adapter, and then select 'Uninstall' > 'OK'.
• Restart your PC.

Solution 3: Remove or Update 3rd Party Anti-Virus Software

Some third-party antivirus software has been known to cause black screens. Removing the software won't leave your PC unprotected because Windows Defender Antivirus will kick in if no other antivirus software is running.

Important Tips:

To avoid data loss at, you'd better back up your data for data loss happens at any time and anywhere. The above solutions may cause data loss, you'd better back up your data with EaseUS backup software.

Launch EaseUS Todo Backup and then choose the backup option you want

Step 1: Launch EaseUS Todo Backup software and then choose 'File Backup', 'Disk/partition Backup' or 'System Backup' for different backup purpose.

Step 2: Choose the system, disk partition, files or apps that you want to back up. Then select a destination where you want to store the backup file.

Step 3: Click 'Proceed' to start the data backup process.

In many times it is needed to run a JavaScript code periodically with a time interval. For example, in live online conversation or messaging system it needs to send AJAX request in every few seconds to check if there are any new message has been sent from the sender or not. In that case, the JavaScript AJAX code run periodically.

Suppose you want to run your JavaScript code also every n seconds. how to do it? How can you run your JavaScript code on every n second?

Here in this post, we are going to run our JavaScript code periodically after every n seconds which is going to give you the idea. Here we are going to alert a message in the browser every 4 seconds.

Here we are going to use the Window setInterval() method.

The window setInterval method calls a JavaScript function or evaluates an expression at a declared interval. We set the interval in milliseconds.

Now if you want to run your JavaScript code every n seconds then you can use setInterval() method. Here in the example, we are going to alert a message every 4 seconds. For simplicity and easy understanding, we are going to use alert message. below is the javaScript code:

Samsung Tv Blinks On And Off Every Few Seconds

Now you can put any of your code that you want to run in every 4 seconds:

Alternative process

Twitch Freezing Every Few Seconds

There is another alternative process using the same setInterval() method to run your JavaScript code periodically. Here you will call a function within the setInterval method and the function will come from outside of this method. below is the code:

Yawning Every Few Seconds

That’s it. We have just written our simple JavaScript interval code which can run any of our JavaScript code in every second.

Minecraft Freezing Every Few Seconds