I have a laptop that has Windows 7 on it and I accidentally deleted some files from the recycle bin that I needed. Where do these files go? They are really important for me. Can I recover them? Is there a good software that can help me with doing this task? Please help.

I have an Intel Core i3 laptop by Dell which has become very slow recently. I didn't have any anti malware / anti virus installed and now I think there is a lot of malware etc. In my laptop. The laptop is quite a mess now and it has some unnecessary software installed on it which were installed with some other third party applications. Can you suggest me some good PC cleanup software? Will I lose my data if the PC gets cleaned up? Is TuneUp utilities a reliable software?

My Desktop PC has a Philips LCD that stopped working last night. The power supply short circuited at some point and I didn't know about it. Lines started appearing across the screen and it took me about 3-4 minutes to figure out what happened. Now when I turn on the display, lines appear across it. Is my LCD damaged for good? Is it repairable? If yes, how may I repair it?

What is preventing my McIntosh HD laptop software from updating? I have been trying to update software on my McIntosh HD, but the update always fails while the system network connection is working properly. I have used the repair disk permission, but the problem won’t stop. What is left for me to do after the repair disk permission?

What does zero day or zero hour attack or threat means? What are its targets? Can a zero day attack be targeted at private or some to large corporation? Can someone be vulnerable through the opening of e-mail attachment? What rigorous security and personal strategy can be implemented to prevent a zero day or zero hour attack? What different vectors are used in zero day attacks?

How can I optimize IOS 8 device for optimum functionality? I recently got an IOS 8 device and the way it was preconfigured is not to my taste. How can I arrange the icon in the order I want? What strategy should I use for the device to use less power (Battery)? I want to place app in the dock and above the dock like in android device?

How is stuxnet designed to attack industrial programmable Logic Controllers (PLCs)? What operating system is at the most risk? Can stuxnet be a threat to a corporation that strictly forbids the use of USB drive on its systems? How long can stuxnet stay in a system without causing any damage? Is there any variant of stuxnet?

How do I make my Samsung galaxy S5 smartphone to work properly after the screen gone blank? I have recently installed an app and the app is causing the Samsung s5 to malfunction, I later tried to uninstall the app, but it won’t uninstall thereby leaving me with no option than factory reset which I did. After the reset the phone screen gone blank. What cause the phone to go blank? Is the screen the problem or other hardware?

Why does OpenSuSe 13.2 crashing when codes suggest window pop up? I recently upgrade my OpenSuSe 12.3 to OpenSuSE 13.2 running on Server Optimization Programming Language Integrated Development Environment IPL IDE (IBM ILOG CPLEX) and after the upgrade, I have been having this problem. How can I fix this crashing problem?

Why is my computer not connecting to the internet? I run “ipconfig /all” in the Windows command prompt, the IP address and the submask address is 10.53.26.84 and 255.255.255.0 respectively. I also ping the server, which is also working perfectly, but when I pinged the server name, it fails. Where do I go from here? How can I restore my internet connection?