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How To: Remove noise from audio files in Ubuntu with Audacity

In this tutorial, we learn how to remove noise from audio files in Ubuntu with Audacity. To do this, you will first open up Audacity and then open up your audio file. To get rid of the noise, you will highlight the area with just the noise, not anything else. Now, go to 'effect', 'noise removal' from the top toolbar. Now, click 'get noise profile' and right after this you will need to select the whole file. After this, go back to the noise removal toolbar and click 'ok'. From here, you will s...

How To: Send & receive files over Bluetooth on a Windows 7 PC

Interested in transmitting and receiving files via Bluetooth on your Windows 7 computer (to download pictures from your phone, for example?). This clip will show you how it's done. It's simple! So simple, in fact, that this home-computing how-to can present a complete, step-by-step overview of the process in just over two minutes. For more information, including complete, step-by-step instructions, take a look.

How To: Delete a user account in Microsoft Windows Vista

In this video, Nub shows us how to delete a user account. First, you will click "start" then "control panel". Then click on "user accounts" and then "manage another account". You must be logged in as the administrator to do this. A new window will pop up once you click on this and you will see all the user accounts on your computer. Click on the user you want to delete and a menu will show up. Click the button that says "delete this account". A message will appear asking if you want to save t...

How To: Clean Up Hard Drive Space by Deleting iOS Device Backup Folders from iTunes

By now, you probably know that your iPhone secretly tracks and stores the locations you've visited in a backup folder on your computer's hard drive. The files are unencrypted, which means anyone with access to your computer or device can retrieve the information, which is downright scary. But Pete Warden and Alasdair Allan are making it fun with their iPhone Tracker application, which lets you map out everywhere you've been with your smartphone.

How To: Clone computers across the LAN

In this video the instructor shows how to clone computers across the Local Area Network using BartPE and Selfimage. To do this first we will have an original computer. Now create the image of the hard drive of the computer and share it on the network drive. Now, using that image from the shared folder you can start the clones of other computers by overriding their hard drive using this image of the main hard drive. Using this technique you can clone multiple computers which are the exact dupl...

How To: Run a command prompt as an administrator in Windows Vista or 7

In this tutorial, we learn how to run a command prompt as administrator (Vista or 7). First, you will click on the start menu, then search for the term "prompt". Launch the command prompt, then a window will pop up with a black window. Type something in to see if it tells you the operation needs elevation. Now, click the start menu and type in "prompt" again. Then, click on the command link, right click, then click "run as administrator". Now, the new window will pop up that says "administrat...

How To: Set and change the language in Windows XP

In this video tutorial, viewers learn how to set the language on a Microsoft Windows XP computer. This process is very fast, simple and easy to do. Begin by clicking on the Start menu and select Control Panel. Now double-click on the Regional and Language Options. Go to the Languages tab and click on Details. In the Settings tab, click on Add and select the language that you would like to add. Then click OK. This video will benefit those viewers who use a Microsoft Windows XP computer, and wo...

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: Change the administrator password in Windows XP

Locked yourself out of your Windows Professional system? No problem—this video tutorial will show you the steps required to change the administrator's password in Windows XP. You can actually change this password without knowledge of the original one. To get started, go to Start > Run… and type in mmc to open up the console window. Watch the video to figure out where to go from there.

How To: Hack into a Windows computer

This is how to hack a computer for educational purposes. First you need its IP address, radmin viewer 3.3 or later, and an open port scanner. Okay so first you need the IP and scan the IP address of the computer. Now find what open port it has. Ok then open up radmin viewer and put in the IP address and open the port you found. Now right click after you enter the computer's IP address and the open port. Select full control or view only and there you go. The computer has been successfully hack...

How To: Create a sound profile in Windows

Butterscotch is here to help you create a sound profile in Windows. First, go to "start", then click "settings", and then "control panel". When the "control panel" menu comes up go to and double click on "Sounds and Audio devices". Once you have that window up, click on the "sounds" tab. After doing so you'll see a menu called "program events" which is all the sounds that Windows uses. You can highlight one of the titles and click the play button on the bottom to preview the sound. But in thi...

How To: Change drive letters or directories in DOS command

This video shows us how to change driving letters or directories in DOS command. Firstly go to start menu and then click on run. Then type cmd and press OK with which a DOS command cmd window will pop up. Now you need to change the directory and these is done by typing ‘cd..’ and after that press enter. Now you have changed the directory and now you need to see what’s in there and for that type ‘dir’ and press enter and this shows what’s in that directory. Now change to other directory by typ...

How To: Improve your system performance

Matthew demonstrates how to improve the performance of your computer without using new software. To improve your system performance by 15% to 20%, first open up your start menu. Right click on the computer option. Choose the properties option from the right click menu. In the properties menu, click on advanced systems settings on the left hand side of the window. In the system window, choose the advanced tab. Next, under performance click on the settings button. Next, toggle the adjust for be...

How To: Repair boot-up problems on a Windows PC with Paragon Rescue Kit 9.0 Express

In this clip, you'll learn how to utilize Paragon Rescue Kit 9.0 to resolve tricky boot errors on your Microsoft Windows desktop PC or laptop. It's a cinch! It's such a cinch, in fact, that this home-computing how-to from the folks at Britec can present a complete overview of the process in just over two minutes. For complete details, including step-by-step instructions, watch this video guide.

How To: Identify your system specifications in Windows XP

In this video from exosploit we learn how to find your system specs in Windows XP. If someone is trying to help your computer, you might need this information. Right click My Computer, and click Properties. Here you'll see your operating system, service pack, and how much RAM you have. Also google cpuz. Go to the first link and download it. Extract it and click the main file. Here it will tell you your processor, mother board, what bios version you have, how much RAM you have, and it will tel...

How To: Eject devices from the use of the terminal for a Mac

In this tutorial, we learn how to eject devices from the use of the terminal for Mac. First, go to the terminal of your computer where you will see a notepad sort of page. Next, type in "df" and then press return. You will now see a list displaying processes on your computer. On the bottom will be your public zoning device, which is your USB device. Next, type in "hdiutil eject -force (the code under "mounted on)- volumes-publiczone". This is not case sensitive, but don't forget or add in any...

How To: Turn any video into a screensaver on a Windows PC

You can make a screensaver with a MPG you get from the web and use "CamStudio" as one idea. You can use Infanview40, and install it the way you want it to open mpegs and add plug-ins that you get from the homepage.Open Infanview40, right click your .exe file to install in the program. Click "open" and Slide Show on INF.,scroll down to MPG that you want to add for your screensaver. Now the MPG is in the INFanview program,add to the screensaver.Click on "Play in full screen mode. Current Monito...

How To: Search for Photos on Your Computer by Exact Dimensions

As a technology writer, phone screenshots can pile up on your computer in no time. Testing out different apps, showing buggy software, and doing step-by-steps can lead to a plethora of mobile screenshots piling up on your computer's desktop. The problem with my screenshots is that they save as photo.png or photo.jpeg, as do many of my other photos. If I haven't finished a project or article, I tend to move them to different folders to save them for later. After a while, the screenshots begin ...

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...

How To: Unzip a file in Microsoft Windows 7

In this video tutorial, viewers learn how to unzip a file in a Microsoft Windows 7 computer. Begin by going to a website that you would like to download the file from. Right-click the link and select Save Link As. Selection the Desktop as the save destination and click Save. On the desktop, right-click the on the zipped file and click Extract All. Now click Extract. A new folder with the same folder name is now created. Inside the folder is the desired file. This video will benefit those view...

How To: Extract .rar files on your PC using Windows XP

In this video tutorial, viewers learn how to extract .rar files. Begin by opening your internet browser and go to Google. Search for Winrar and select the 3rd result. Download and save the file. It is recommended to save it to the desktop to find it easier. Double-click on the file and follow the instructions to install it. Click Install and check all the file types for the program to be associated with. Once finished, open a file, select Extract To and choose the destination to save it. This...

How To: Use a usb flash drive as ram in Windows XP

In this video tutorial, viewers learn how to use a USB flash RAM in a Windows XP computer. Begin by plugging the flash drive into the computer and do not remove it when it is being used as RAM. Then click on the Start menu and click on My Computer. Right-click on the flash drive and select Properties. Name the drive, RAM drive and click OK. Make sure that there are no files or folders in the flash drive. Now right-click on My Computer and select Properties. Click on the Advanced tab and click...