My Sony VAIO T series 15, a touch Ultra-book, but for the last few days its touch has become very irresponsive. Some parts of the screen are like they are just not receiving what I touch i.e it gives no response, while others are too slow, if I touch to close an app it will take 10 seconds or more to respond, is it something with hardware or internal problem? What should I do?

Which laptop computer has the best battery management system in place, so that the battery can last very long before recharging the battery? What has to be done in order to extend the battery-life of the laptop, before replacing it with a new battery? How do you know the quality of the replacement battery you are about to purchase? How can you test for the quality of a replacement battery for a laptop? Does the manufacturer guarantee how long the battery can last for? How can you differentiate an original replacement battery from a fake one?

I want to know the Maximum PC, I can put up with Window7 same LAN. Thank you How many PCs can theoretically be installed on a Windows 7-Lan, assuming you had an infinite number of switches and cables. I think the answer is 100, but I'm not sure – it could be unlimited. All the experts tell me about this thing.

I take a university course in telecommunications (manually) and I have a number of technical issues in technologies such as multiplexing, Control, Frame Relay, ATM, digital modulation / analog coding techniques [BPSK QPSK, QAM] river. So not like the place seem to ask such questions. All recommendations for the most appropriate locations.

 I have a Pentium 4 PC at my home. It is like an antique piece for me. My friends are forcing me to change it but I am not. Few days ago,  I got an electric shock while trying to press the CPU button. I was shocked by the shock. I called some technical support assistant but he was unable to solve the problem. Can someone please help me? OR Should I sell it?

I am using Microsoft Security essential as a antivirus tool for my dextop pc.The problem is that it does not catch any virus but when we scan any drive  file or a folder.If it contains any virus,spam or malware it detects and clean it.Anyone knows why MSE does not catches virus automatically ?

I have HP Laser Jet Pro 200 color Printer.The printer works fine in start but now when I print a page some portion of the page is blurred and rest of the page is not blurred and looks fine.Anyone can tell me is this a toner problem or there might be some issue in this new model ?

When I run the Google Chrome in my laptop having window 7 home basic, it starts hanging up and by Minimizing and Maximizing the application, it starts again but hangs up again after a few seconds. This process continues every time and happens so frequently that a lot of time is wasted in Minimizing and Maximizing. Please help what to do?