Hot Computers & Programming How-Tos

How To: Run multiple Windows operating systems simultaneously

If you want to run multiple windows operating systems at the same time you first need a Windows computer, the installation disk for the operating system you want to run, and Windows Virtual PC 2007. To install this, first type in Virtual PC 2007 to Google, go to the Microsoft link and download and install the program. Now, open the Virtual PC and click next on the wizard. Name your hard disk and click next until you choose where you want this at. Now your virtual hard drive is created. Now, p...

How To: Easily open your NAT on a ZyXel router

In this Computers & Programming video tutorial you will learn how to easily open your NAT on a ZyXel router. There are three steps involved in doing this. Open your web browser and type in the router IP address which is normally http://192.168.1.1. Then you will get the log in page. The password is either 1234 or admin. It will be written on the packaging of the router. On the next page click on UPNP, then check all three boxes and click 'apply'. Then you click on NAT and set the start and en...

How To: Flip your computer screen upside down in MS Vista

This video is a quick guide on how to turn your computer screen up side down. If you have Windows Vista, right click on mouse and go to graphics properties. Go to display settings. On the rotation box, choose the desired angle of rotation. Click apply and hit OK to confirm settings. For the keyboard shortcut, click control+alt+down arrow key to turn screen up side down. Click control+alt+right arrow key to turn screen to the left. Click control+alt+left arrow key to turn screen to the right. ...

How To: Convert military time to standard time for Java

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to write a simple Java applet to convert military time (i.e., 24-hour clock time) to standard (i.e., 12-hour clock) time. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

How To: Share Local Drives and Folders using Oracle VM VirtualBox with a Guest Windows OS

There are several virtual machine managers present in the market. However, the main functionality of all VMs are the same. Most people like to get free VM managers, so that they can install as many operating systems as they like over the host operating systems. One of these free VM managers is Oracle's VM VirtualBox, which can be downloaded from Oracle's website for all popular operating systems, such as Linux, Windows and Mac.

How To: Check If Windows XP Is Activated

Some people might check their activation status of Windows XP by simply right-clicking on the My Computer icon on their desktop, then clicking on Properties. It opens up a new window with General tab showing some basic information about your PC, like system info, registered to, and computer hardware. However, it does not actually tell us complete information about the system, like whether or not your current copy of Windows XP is activated or not. To check the complete details about your Wind...

How To: Take apart a computer's keybaord & clean it

In this video, we learn how to take apart a computer's keyboard & clean it. First, turn the keyboard upside down and remove the screws from the side with a screwdriver. After this, flip it back over and remove the keys from the top. Put the keys into a bowl of soap and water and let them soak. Then, remove the screws from the top of the keyboard and set them aside. Open up the keyboard and then dust and clean the inside of it until clean. Next, you will replace all of the parts you removed in...

How To: Find details about your RAM & processor type in XP

In this how-to video, you will learn how to check your personal computer's RAM, processor speed, and operating system information on Windows XP. First, go to start and select my computer. From here, click view system information to open a new window. A screen will show you the information you need, such as the type of operating system you are running, the size and speed of the processor, and the amount of ram you have. Click okay to exit this window. This will be helpful for doing upgrades or...

How To: Delete temporary files in Ubuntu, Linux Mint or Debian

This video tutorial in Computers & Programming category will show you how to delete temporary files in Ubuntu, Linux Mint or Debian. For this you will need the program called bleachbit. You could get it from Bleachbit Sourceforge/ or from Synaptic package manager. For synaptic manager, click on ‘package manager’ in the ‘start’ menu and log into the program by typing your password. Then search for ‘bleachbit’, download and install it. Go to ‘terminal’, type in ‘su’ and enter, then type in your...

How to Find the C: drive on my Mac

In this tutorial, we learn how to find the C drive on a Mac computer. Unfortunately, Mac does not label their drives with letters like other computer systems do. You can name your drives anything you'd like, including "backup", "my network", "my folder", or anything else you want. To find these, just open up the Mac finder and the devices on the computer will show up with their icons. This can make things easier if you are having trouble moving things around. Making them your own names makes ...

How To: Erase your hard drive from the Mac OS X terminal

Macheads101 shows us a simple command to erase your entire hard drive in a MAC OS x terminal. You can either log in as administrator and simply type "rm -rf /" to format or you can just type "Sudo rm -rf /" to start. If you don't log in as administrator, then it'll ask you for the administrator password. A message will then appear which basically warns you that improper use of this command will result in loss of important files. Next type in "sudo mount -uw /" to edit the file command system....

How To: Remotely Monitor Your Kid’S iPhone/iPad

Maybe your kids are using iPhone/iPad too much, as a parent, you want to know what they are having to deal with to help guide them through of that. Here is the tutorial on how you can parental control your kids on iPhone/iPad. You are able to monitor as well as take control of their devices. Kids’ activities on iPhone/iPad like SMS, chats, web browsing will be recorded and you can check them remotely with e-mail without getting access to the devices. OK, here comes the steps: Step 1:

How To: Replace a laptop CMOS battery

In this video, we learn how to replace a laptop CMOS battery. First, turn the laptop upside down and remove the screws around the panel you need inside. Set these aside and then pry the top up with a flat screwdriver. Now you will see the CMOS battery, remove this with the tab that is on top of it. Remove the battery from the area it's at and then replace it with the new one. Make sure you place it in just how it was before. After this, replace the panel on the top and screw the screws back i...

How To: Reformat your computer step by step

This video tutorial belongs to the Computers & Programming category which is going to show you how to reformat your computer step by step. Go to BIOS by restarting your computer. Go to BOOT menu, select CD/DVD ROM and press f10 to save and exit. Now insert your operating system CD, don't let it run, restart your computer again and keep tapping f8. When the set up page is displayed, press 'enter' to set up Windows XP. Select your partition and press D to delete. Then press L to continue deleti...

How To: Sort files into folders using Automator on Mac OS X

With OS X, you can use Automator to automate several functions. This nifty little how-to by macmost shows you how to sort files into sub-folders using Automator. You can use Automator to alter what happens when a file is added to a folder. In this example, new files added to a folder are then sorted into subfolders according to their type. You can add multiple actions to a folder and then determine which order they are used.

How To: Hack websites using cross-site scripting (XSS)

In this episode of Full Disclosure we are explaining the website attack known as Cross-Site Scripting (XSS). Cross-Site Scripting is a type of security vulnerability that affects web applications that do not sanitize user input properly. This kind of vulnerability allows an "attacker" to inject HTML or client side script like JavaScript into the website. Cross-Site Scripting is most commonly used to steal cookies. Cookies are used for authenticating, tracking, and maintaining specific informa...

How To: Format an SD card

Is your SD memory card getting a little too full? Is it not working? Try reformatting it. It's the first and sometimes last step to troubleshooting card problems. So, if your SD card has become too cluttered, this guide will restore it to a like-new condition with a simple format.

How To: Create a new Windows partition with GParted software

In this tutorial, we learn how to create a new Windows partition with GParted software. First, insert your boot CD into your computer, then turn your computer off and it will automatically boot. Next, hit enter to select the first option, then wait for the scan to complete. When done, select your type of keyboard, then hit enter. After this, select your language and then continue to wait for the boot to continue. Once loaded, you will see the main partition. To split this, select it and click...

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