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...

I want to use android studio for android app development but not able to use it on my laptop. When I start the android studio it asks for project name, and some other field’s to fill but when I press “finish” to start, it shows proxy error. I have no idea about this proxy error in Android-Studio .Please suggest some way to find solution for this problem.

I am using dell XPS laptop, and recently it has just came back after servicing, but the quality of my laptop camera has been adversely affected, including the resolution and color quality, has it something to do with hardware drivers, or it could be some hardware problem, suggest me ways in which I can handle this problem, given that my laptop is still under warranty, should I contact them, or any software setting could help?

I was about to give a presentation in classroom when I connected my laptop to the projector. Suddenly the screen changed to some kind of player in which previous and next buttons are there. I moved across slides using those buttons. Then, there was a slide having a link to a text file. I clicked on that. It opened up in my laptop but not on the projector. I somehow managed the presentation. But now, I want to know about it. Can someone please tell me about this problem and also suggest a solution. Thanks in...

I am using Microsoft Office 2007, today I encountered a problem using MS Excel. Firstly I opened a file in Excel and after a few seconds, I connected to the Internet through WiFi. Now when I returned back to my Excel file, it started hanging up, and later on, it asked to save the file, as I clicked on Yes button, the Excel application got Abnormally Terminated. I didn't clicked the close button, despite that this all happened. So please tell me, why my Excel application is closed and what could be the reason behind this...

I was using Idea (India) as the service provider on my Moto-Gen 2, it was not working but then I switched to Vodafone and it is working perfectly fine. It is not the area or range problem because my friends are using it on their phones. How to resolve this confusion?

I am using Apple iPhone 5S (India) and as 4G services are now available in my country my phone is still not supporting it. Is it something to do with the bandwidth? Or do I have to change something in settings? I am using Airtel as the service provider. Is this an issue with the service provider or with my phone?

I was rooting my Moto G device and when I tried to put in the latest OS but then suddenly it was switched off and is not turning back on! Is it due to some kind of inconsistency between the boot-loader and the type of OS I used? How can I get back my phone and if possible without losing any data.

I have Samsung galaxy S4, bought it a year ago. It is giving me problems for the last few days, it shows the battery is full and when I turn on the Wi-Fi or the Internet the battery drains suddenly and phone switches off, then after charging it for hours, it restarts but the problem prevails. What should be done?

I am using BSNL EVDO Net-Setter for internet service. While using, its speed drops instantly after some time even when there is full network. Previously when network is full it provides maximum speed i.e. 1Mbps(100-120 kb/sec downloading )but now it is only giving only 10-20 kb/sec only even when there is full network.please suggest some solution for this problem.