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Thank you very much, sir. I'll do so and post the results.

All wireless cards are not fully compatible with Ubuntu but all of them are usually compatible with Ubuntu.

You need to give permission of admin to install any changes in your Ubuntu OS even if the upgrades come from Canonical. I've accidentally visited some infected websites but have never gott a virus on...

Read following pages :

1. https://help.ubuntu.com/11.04/ubuntu-help/net-antivirus.html
2. https://help.ubuntu.com/community/Antivirus/

Thanks.

Ensure that you've got enough time to upgrade your version of Ubuntu without any power failure. I mean choose that time of day which will be free of any power cut. Then create a back-up of all of...

Ubuntu 12.04 does not even require so good configuration. I guess the problem should be related with compatibility of your computer with Ubuntu.

Amen. I hope the same for people of India.I am not into programming or development as my profession belongs to finance but I still try to spread awareness among people.

I've been using Ubuntu since two and half years and have not faced any major problem so far. If will ever have to use Windows/Mac for anything then I'll get a separate machine for that purpose....

I used Lucid Lynx on a laptop with configuration of the same RAM and Pentium dual core processor. I never had any problem with speed but I mostly use web browsers and OpenOffice. It worked fine with...

Hello folks,

I would request you to give your kind attention on my query regarding system administrator. Can I create a new system admin for my Ubuntu 12.04 and delete first admin which I created...

Read Ubuntu server guide :

https://help.ubuntu.com/12.04/serverguide/index.html

Perhaps following pages may help you :

1. http://blog.sudobits.com/2010/04/23/speed-up-ubuntu-10-04/

2. http://askubuntu.com/questions/2194/how-can-i-improve-overall-system-performance

That is an old laptop and obviously the cost of its RAM will be higher than DDR3 RAM of same capacity. Don't waste your money. Delete all unwanted apps and run Ubuntu in 2D mode as advised by Nik.

Dailymotion and Vimeo are also nice websites. I save all of my favourite Youtube videos in playlists and have never bought a single song because almost all of the music of my choice is available on...

I use 12.04 on an old laptop with Ubuntu 3D. It takes a a little more time than 11.10 too load but it works fine. I think that happens because my HDD is not crowded and I haven't installed any app...

I've never been into gaming. I guess the following article can help you :

http://arstechnica.com/gaming/2012/06/linux-gaming-on-the-rise-ea-arrives-on-ubuntu-and-valve-plans-steam-port/

You didn't mention the version of Ubuntu being used by you. You can remove Ubuntu apps by following steps described on this page :

https://help.ubuntu.com/10.04/add-applications/C/removing.html
...

I used to get some crash reports after upgrading to 12.04. Those reports always started with 'Sorry, Ubuntu 12.04 has suffered an internal program error '. This particular version of Ubuntu has...

That was a problem in my Lenovo laptop. The fan seemed to be running all the time anbd it also made some noise. As far as I know, laptop fans run like that to cool the excessive temperature of CPU.

I guess the solution of your problem should be as follows :

1. Click on system settings,
2. Click on 'brightness and lock' in the menu,
3. Uncheck the option ' dim screen to save power'.

4. You can also pick a colour by clicking on 'custom' word in the colour menu. You can also add a picture by clicking on the 'wallpaper' option of appearance menu. You can add a picture of your own...

3. Look at the mouse arrow in the previous screenshot. Click on the colour button a new menu of colours will appear over the appearance window.

2. Click on 'appearance' in the system settings menu. A new window will appear on your desktop after doing so.

I am attaching a few screenshots to show you how to change the background of your desktop.

1. Click on system setting in the left-hand side of your Unity menu