Just now was trying to boot into Windows, by plugged in the HDMI cable, which supports for video only. But then, I rebooted into Linux without plugged out the HDMI cable. Then, it caused no sound in Linux.

Try 1: I killed the pulseaudio, then delete the ~/.config/pulse, and rebooted Linux. Failed.

Try 2: Run alsamixer, turned on everything, and do Try 1 again. Failed.

Then I guessed it was caused by the HDMI cable, which the Windows may assume there is audio, then caused my computer somehow ouptut the audio through the HDMI, even I rebooted into Linux.

Due to the changes of the career, I invested on Dell Vostro 5459, after a long survey. I chose it because it is compatible to Linux. The compatibility to Linux meaning that, all the hardware devices are accessible by Linux. Besides that, it has the NVIDIA graphic card, which allows me to use GPGPU to do my research and study. Moreover, I can play high quality 3D graphics games.

Ubuntu

So, the laptop I bought was pre-installed with Ubuntu. And, I was impressed by the Ubuntu first boot video, which can be found here.

Recently my friend mentioned to me that, Windows is good enough for him, as long as he can complete his works. Then I argued with him, saying Linux is better. Then he asked me, in what sense. I suddenly don’t have any concrete answer.

As Linux user for several years, I already forgot why am I using Linux instead of Windows. I only remember that Linux is more developer oriented than Windows. There should have some other reasons that convince me to remain Linux user and some reasons make me keen of it. Thus, I have to compare two OSes so that I can give concrete answers next time.

Firstly, I want to state that I am totally anti (dislike) Internet Explorer. There are several reasons that I don’t like Internet Explorer.

Internet Explorer version less than 9 has a lot of problems with CSS. As a result, as a developer, developing the webpages for among IE and other web browsers is exhaustive. In order to make the compatibilities, the CSS is almost web browser dependent. Besides that, CSS3 which is supported by most of the modern web browsers, does not work well in Internet Explorer. Luckily there is a trick using PIE. But this is not the best solution.

My laptop has a built-in webcam. I was doing video capturing using webcam. Suddenly, the webcam could not function. Then I tried to restart, hopefully fix the problem. After restart, there was a taskbar notification mention that there is an unrecognized malfunction USB device. (I am using Windows 7)

So, how to solve this problem? This was not a driver problem. And I thought that maybe the webcam was broken or some hardware problem.