Hot Computers & Programming How-Tos

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: 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: Disassemble an Acer AspireRevo nettop PC

In this how-to video, you will learn how to disassemble an Acer Aspire Revo. First, unscrew the screw on the side of the laptop. From here, you must pull the top cover with the logo apart. This will be tough, but eventually it will be come off. A prying tool may be useful for this task. Now you will have access to the hard drive, RAM, CPU fan, processor, and wireless card. Now you are ready to perform any upgrades or repairs on your Acer Aspire. This video shows you the essential steps in ord...

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: Update graphic drivers with Windows Device Manager

In this video tutorial, viewers learn how to upgrade their graphic driver. This task is very fast, easy and simple to do. Begin by clicking on the Start menu. Then right-click on My Computer and select Properties. Now click on the Hardware tab and click on Device Manager under Manager. In the Device Manager window, select your graphic driver under Display adapters. Right-click on the driver and select Update Driver. Now follow through the instructions in the window and check for any updates. ...

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: Take a screen-shot with your keyboard

Internet4Dummies shows how to take a screen-shot of your desktop screen using your keyboard and a photo-editing software like Microsoft-Paint, in this walk-through video first you have to navigate or arrange your screen as desired to be captured in the snapshot. Then using the print screen key the whole desktop screen can be captured. This image can be edited by any photo editing software for ease of use Microsoft Paint is used in this example. For this just open Paint and paste the screen-sh...

How To: Clean your laptop's keyboard by removing the keys

In this video DavidDaGeek shows how to clean your keyboard by removing your keys, but to be careful when doing this. Put your finger underneath a key and just pull it off. Don't break the piece that holds the key in place though! he starts at the shift key and works to the left with the ? being next. Then remove the hair or dust with your fingers. Don't remove them all at once because you might forget what order they go in. To put the key back in, put it in its spot, and click it back in. You...

How To: Password protect any folder on your desktop in Windows

In this tutorial, we learn how to password protect any folder on your desktop in Windows. First, right click on your desktop, then go to "new", then "compressed zipped folder" and name it whatever you want. Next, put what you want inside of the folder. After you've done this, open the folder then go to "file" and then "add a password". Pick a password that you will remember and type it into the text box, after you do this, click on "ok". Now your folder will be password protected and you will...

How To: Turn off your system firewall without admin privileges

In this video tutorial, viewers learn how to turn off the system firewall without admin privileges. Begin by clicking on the Start menu and open he Run program. Type in "system.msc" and click OK. Scroll down the Services list and look for Windows Firewall. Double-click on it and under the General tab, click on Stop. Then click Apply and OK. This video will benefit those viewers who use a Windows computer and would like to turn off the firewall, even if they are not running the administrator a...

How To: Align the printhead on your Epson printer

Not aligning your printer before you print is like going to a job interview without brushing your hair: Everything else looks right, but you somehow still look unprepared and messy. Aligning the printhead on your printer will help ensure all text prints out where it's supposed to print out and there's no awkward color blurring with pictures.

How To: Detect hackers with netstat

Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. This video tutorial presents a basic introduction to working with the netstat tool. Determine whether you've been hacked with this how-to.

How To: Get a Windows 98 theme on Windows 7

In this video tutorial, viewers learn how to get a Windows 98 theme on Microsoft Windows 7. The Windows 98 themes need to be downloaded from the link in the video description. The Windows 98 themes are: Baseball, Jungle, Mystery and Travel. When opened, the background changes to the theme. The cursor and the icons on the desktop also changes to the theme. There are sound effects when the user maximizes and minimizes a window. This video will benefit those viewers who use a Windows 7 computer ...

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: Take screenshots in Windows XP with Print Screen

In this video, the instructor shows us how to take a screen shot off of Windows XP. First, you will want to pull up the screen that you want to take a screen shot of. After you have this up, you will hit the "Alt" and "Prnt Scrn" button at the same time. Nothing will show up on your computer, but it will have saved the image. Next, open up the program "Paint" and click "edit" on the top toolbar, then click "paste". The image will then show up on your screen. To save, click "File -> Save As", ...

How To: Make an annoying batch file to prank friends

To make an annoying batch file to prank your friends you need to first right click on your screen and go to New and then Folder. In this New folder make a Text file and type in "for /l %%n in (1,1,10) DO md %%n" and that is it. Now this will loop from 1 - 10 and make a new folder for whatever n is. You can change the command if you would like to! Now, you can change this text file to 'Folder' and allow for this to be clicked. You can change the number "10" to any large number so the folder co...

How To: Create a basic array table in Java programming

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 display the index of an array in table format when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

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