Hot Computers & Programming Posts

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: 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: 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: Build a window and screen in Java game development

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 utilize and display graphical user interface elements like windows when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

How To: Open ISO files using WinRAR

In this video tutorial, viewers learn how to open ISO files, using Winrar. An ISO file is in an "image" of an entire CD or DVD. It contains all the contents of the disk. Begin by opening Winrar. Go to Options and select Settings. Go to the Integration tab and check ISO. Now Winrar will be able to associate with ISO file. Press OK. Users just need to right-click the file and select extract. It is the same as a ISO extractor program. This video will benefit those viewers who have Winrar and wou...

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: Create an MP3 player playlist with PHP

In this clip, you'll learn how to create dynamic playlists for directories of MP3s with PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look

How To: Set up a Linksys WR54g or WRT54g2 wireless router

This video tutorial is in the Computers & Programming category which will show you how to set up a Linksys WR54g or WRT54g2 wireless router. First you connect to your Linksys router. Then go to http://192.168.1.1 and type in "admin' as your password in to log in window and click "log in'. then go to the "wireless' tab and enter your wireless network name. In the wireless channel select '11 2.462GHz' and click save. Next go to "wireless security' and type in the wireless network key. This is t...

How To: Change the keyboard on an HP Pavilion laptop

This video tutorial is in the Computers & Programming category which will show you how to change the keyboard on an HP Pavilion laptop. First remove the battery and then remove the 6 screws in the battery cabinet. Now remove another screw as shown in the video. Open up the laptop and remove the panel located on top of the keyboard. Now remove the screws that hold the keyboard in place, slide out the ribbon connector and take out the keyboard. Then take the new keyboard, slide in the ribbon co...

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: Install Ubuntu Linux in 5 minutes

A Tutorial: Ubuntu Linux is a completely free open-source operating system that has many useful features and abilities, and this guide will show you how to try this new OS without harming your Windows system, and it only takes five minutes to learn! This guide will show you how to: -Download and burn the Ubuntu image to CD -Shrink the Windows installation to make room for Ubuntu -Boot to the Ubuntu live CD and begin the installation process -A step-by-step description of what options to choos...

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: Permanently delete previously deleted files on a Mac

The guy in this video shows us how to permanently delete files on a Mac. First one would click on your desktop so the finder pops up and one would go to "utilities" and click "disk utilities". Next, one would click on the disk which they would like to clear, then click "erase" and then click "erase free space". After clicking, a box will pop up asking if you want to erase 0 times which clears the disk 1 time, 7 times which clears the disk 7 times to delete unwanted files, or 35 times, which r...

How To: Create a free website from scratch

You can create a free website using HTML. HTML is hyper text mark up language. Create a folder "my webpage" with all of the images and information for the webpage. Use notepad to write the HTML for the website. Notepad plus is the best which can be found on Sourceforge. Open the browser and the notepad and begin to construct. These codes will help in the creation of the page: <html> opens instructions </html> closes instructions. These are called tags. One opens the commands or instructions a...

How To: Fix your computer when it won't recognize your CD or DVD disc drive

One of the most annoying of the many annoying types of errors on Windows computers is when you computer won't recognize parts that have always been a part of it, like the drives or keyboard. If your computer has stopped recognizing your CD or DVD disc drive, watch this video. As long as the drive is still connected, the steps in this video should allow you to fix the problem and continue using your drive.

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: 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: 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: Increase your low virtual memory on Windows XP

This video demonstrates how to increase your computer's virtual memory in Windows XP. To increase virtual memory in Windows XP: - On your desktop, right click on My Computer then select Properties. - On the System Properties Window, click on the Advanced tab. Under Performance, click Settings. - A new window should appear, click on Advanced tab, look for Virtual Memory then click Change. - The virtual memory window should now appear, select your main hard drive (usually C: ), then you can set...

How To: Use HTML and open & closed brackets

To open the body of an HTML first open the HTML document, to do so write an open bracket, then html, the close the bracket. Next press enter. Type another open bracket, then type the word body, then type a closed bracket. Next press enter again. Now you can type an open bracket, then a backwards slash. Next type the word body again. Now type a closed bracket. Press enter once again. Now type another open bracket and then type html. Then type a closed bracket. Now you have just opened and clos...