What does the color of the USB port signifies in Laptop?

Blue and Black

Blue symbolizes USB 3.0 enabled.

You can transfer at blazing faster rate.

Tip: Next time connect your external hard drive to it.  

Black symbolizes USB 2.0 and 1.1 compliant. 

It is Standard Ports.

Tip: Next time connect your Mouse or other related devices to it.

Yellow

Yellow symbolizes Always-On.

It supplies power to the gadget even while in sleep mode or off.

Tip: Next time you can charge your phone while on the go in the car.

How to Record Desktop Using VLC Player

Open the VLC Player

To enable desktop recording, go to Media > Convert / Save.

Go to the Capture Device tab and on the Capture mode drop down menu, select Desktop.

Select your frame rate under Desired frame rate for the capture And click Convert / Save.

Finally select your codec and the destination and click Start.

To stop recording, click the Stop button.

Now VLC Player acting as a Desktop screen recorder.

How to Download Youtube Videos Within a Minute

Go to www.youtube.com
Select your favorite or watch your favorite videos
Copy the URL of the Video
Go to Following URL to Download Youtube Videos
1.www.savevid.com
2.www.keepvid.com
3.www.clipconverter.cc
4.catchvideo.net
5.savemedia.com
Pate the URL in Above Website
It will ask Permission from Java Script to run select yes
It will automatically download.