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TechTutorials offers a directory containing thousands of free tutorials for IT professionals, hobbyists, and home users. Our goal is to help you solve your computer problems and learn new technologies using the many existing free tutorials available on the internet. The site also contains discussion forums, a free job search, free tech magazine subscriptions, white papers, and other technical reference materials.
Register for a free account and you can create a collection of your favorite tutorials, rate tutorials, and access other special features.
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Primary Category: Home > Tutorials > Mobile Devices > General
When you want to back-up the SIM card on your mobile phone, use a SIM card reader to help prevent the possibility of data loss. Normally, the software that's included with a SIM card reader, allows you to use your computer to view, edit, create and back-up a SIM card. Inexpensive SIM card readers are priced as low as $10.00, and you can use the device to add new contacts, sort phonebook entries and manage your passwords.
Added: 05/16/2012,
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Primary Category: Home > Tutorials > Applications > General
Use computer monitoring software to capture the Internet activity on your computer. There are various kinds of software tools available that are capable of capturing the activity of website visits, internet chat conversations, emails sent through webmail and images viewed on a computer. Try using freeware or shareware that's offered online. Look for features that allow you to log Internet activity and control or restrict users access on your computer.
Added: 05/16/2012,
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Primary Category: Home > Tutorials
"Red eye" happens when the light from the camera flash reflects off the subject's retina.
Added: 05/11/2012,
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Primary Category: Home > Tutorials > Applications > Drawing and Graphics > Adobe Photoshop
The Color Replacement tool transfers only one data option per application, while leaving the other variables untouched.
Added: 05/11/2012,
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Primary Category: Home > Tutorials > Mobile Devices > Android
If you want to change the wallpaper on your Android phone, and add your own personal photographs, use the features on the device to help you achieve a new look and feel. The first thing that you will have to do is navigate to the All apps menu screen to change the default wallpaper on your Android phone. Tap on the Settings icon located near the bottom of your phone's display screen. Navigate to the Personalized menu screen.
Added: 05/09/2012,
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Primary Category: Home > Tutorials > Computer Hardware > General
There are various ways that you can keep your laptop computer battery alive, but it's also a good idea to invest in an extra battery pack. Many of today's laptops lithium-ion batteries life span is about 2-3 years. And, the batteries don't need to be fully discharged before you can recharge them again. But, you should discharge the battery on your laptop every 30 charges, to help preserve the built-in gauge, which indicates how much power it has left.
Added: 05/08/2012,
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Primary Category: Home > Tutorials > Mobile Devices > Android
Here's an easy way that you can install Android OS on your desktop computer. When you install the operating system on a USB flash drive, you won't have to create a new partition or uninstall the operating system again. Make certain that your USB flash drive has at least 256 megabytes of memory space available on it. And, don't forget to remove any files on the device that you want to keep. You can either save your files on another external storage device, or your hard drive.
Added: 05/08/2012,
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Primary Category: Home > Tutorials > Computer Hardware > Networking Devices
If you want to install a PCI wireless network card on your IBM ThinkPad, make certain the laptop has an available mini PCI slot for the wireless card. Browse the Internet from a reputable online retailer that sells mini PCI wireless cards. Be sure to select a combo wireless card that is compliant with 802.11a/b/g standards, and allows you to move between 802.11 networks while you are traveling with your IBM ThinkPad laptop.
Added: 05/05/2012,
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Primary Category: Home > Tutorials > Mobile Devices > iPhone
When you're ready to increase the clock speed on your iPhone 3G, make certain that the device is jailbroken. The iPhone 3G comes with a CPU processor that is capable of operating at 600 MHz. But, Apple underclocks the CPU processor at 412 MHz to extend the battery life of the phone. After you have overclocked your iPhone 3G, it will run faster and more efficiently. However, keep in mind that repeatedly overclocking your iPhone 3G will eventually degrade the CPU processor's life.
Added: 05/05/2012,
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Primary Category: Home > Tutorials > Microsoft Windows > Windows 7 > Performance and Recovery
There are various types of registry cleaners on the market today that you can use that will help keep your registry clean and optimized. However, you can save money on buying software, when you use a free registry cleaner to speed up your Windows computer. Browse the Internet for freeware and shareware that you can install on your system. Websites such as Download.Cnet.com, Freewarefiles.com and Tucows.com has several free registry cleaning tools that you can use.
Added: 05/05/2012,
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Primary Category: Home > Tutorials > Computer Hardware > Storage
If you're having problems getting your computer to recognize a SD card, you can use a SD card reader adapter and avoid the possibility of installing a pesky application that may not be able to decode the media. You can use your computer to recognize an SD card with a SD card reader adapter. A portable SD card can be used with numerous types of compatible SD devices, and various applications can display or play the media on the card.
Added: 05/05/2012,
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Primary Category: Home > Tutorials > Mobile Devices > Android
When you want to keep files private on your Android mobile phone, use a third-party privacy protecting application. You can find various types of privacy protecting applications on Android Market that can hide your photos, videos, audio files and applications. You will need to use your Gmail user account information to log on to the website. Then, select a privacy protecting application that's compatible with your mobile phone.
Added: 05/02/2012,
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Primary Category: Home > Tutorials > Mobile Devices > Android
Use a third-party application that can hide text messages on your Android phone and keep them from showing up on the display screen. Go to Android Market and select an application that is compatible with the model of your Android phone. You can find several free applications on Android Market that are free to use. However, some applications charge a small fee and you will have to provide use your credit card information to make a purchase.
Added: 05/01/2012,
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Primary Category: Home > Tutorials > Mobile Devices > iPhone
If you need to recover cookies and your browsing history on an iPhone, use a data recovery device to help you retrieve the information that you need. Various types of data recovery devices are available online. The retail price for the devices is about $160 and up. They are easy to use and capable of recovering all types of deleted files, such as SMS text messages, calling history, contacts information, photos, voice memos, calendar entries, GPS locations and your Internet browsing history.
Added: 04/29/2012,
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Primary Category: Home > Tutorials > Applications > Multimedia > iTunes
It's possible to convert your iTunes music files to Zune when you use software that is capable of transferring the files. You need to convert all of your iTunes-protected MP4 music files to DRM-free MP3 format. Look for a DRM (Digital Rights Management) media converter that can strip away the DRM protection and convert your music files without losing the sound quality.
Added: 04/27/2012,
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