What will that mean for Gnome in the older laptops? KDE4 is not good for older laptops, Gnome-Shell will not work on older laptops. Will users of older machines need to go to XCFE?

My speaker is perfectly working, I've installed motherboard cd with sound card driver. But when I'm trying to play a song or movies, it doesn't make any sound. I can't understand what's the real problem. Please give me a suggesstion. I'm waiting for any response.

My computer's cd rom had been damaged for this reason I've bought a new cd rom but when I'm trying to set cd rom with my PC it shows an error when I'm inserting a CD into cd rom it doesn't play it. 

I need a quick solution I'm looking to hear something about my problem.

I have problem with my monitor, sometimes it open normally but sometimes it was only all black. I checked all the connections from monitor to cpu and from monitor to supply for looseness and it's all fine but trouble persist. What shall I do?

My computer is running properly, everything is okay but after sometimes computer is being hang. I've checked my CPU, I've seen that after some times processor cooling fan is being stop & processor is being very hot. I need a solution. This problem is coming from 3 weeks.

My printer is Lexmark 2600 . In my printer show me ECG . Now i cannot understand what is the problem of my printer now i can not print any document or picture . Now what can i do ?

In my monitor  it show me a boder like as line its color is white . I am a new user so i can not find what should i do now so please tell me what can i do now……………………………………

I'm using computer from last 7 years, suddenly my computer's much pointer vibrating. I use Norton registered antivirus, I'm sure my  computer doesn't contain any virus. But I don't what's the problem, why much pointer is vibrating, If possible give me a solution.

I always receive an error saying "Misssing command interpreter" whenever I boot my computer.

What do you think is the problem with this?

is there a problem with my hard drive?

I use Dual Core processor, I want increase processor speed to Core I 3.

How is it possible ?

Please give me a suggestion, I've to use any software or any device?

At this time I use Intel motherboard.

When I'm going to play a game, my pc is being hang.