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06.02.2014
Windows allows you to lock your screen so that others cannot access your computer without entering your password. The only method you can use to manually lock your screen in Windows XP is to use the Windows+L keyboard combination. To lock your screen in Windows 7 or Windows Vista, please click on the Windows Start Button () and the Start Menu will open. You can also lock your computer by using the Ctrl+Alt+Delete keyboard combination and then selecting Lock screen. To lock your screen in Windows 8, you need to click on your user name or account picture in the upper right-hand corner of the Start Screen. To login, press Enter on your keyboard or left-click on the lock screen and Windows will prompt you for your password to unlock the screen. If you wish to lock your screen when it has been idle for a certain amount of time you will need to use a screen saver in Windows. For the most part, the screen saver settings screen is similar for all versions of Windows, but getting to the screen itself is a little different.
If you are using Windows Vista and Windows 7 all you have to do is click on the Start button and type screen saver and then click on the Change Screen Saver option when it appears. For Windows 8, at the Start Screen simply type screen saver, click on the Settings category in the search results, and then click on the Change Screen Saver option when it appears.
To enable a screen saver that automatically locks your screen, select the screen saver you wish to use from the drop down box and then place a check mark in the check box labeled On resume, display logon screen.
If you do not want users on a computer to be able to have the Lock option when they enter the Ctrl+Alt+Delete keyboard combination, you can disable it via a policy in the Group Policy Editor or via a Registry key.
When you wake up Windows 8 after it has gone to sleep, you will be presented with the lock screen. To achieve the best performance on your computer, it is suggested that you log off an account instead of switching to another one using Fast User Switching.
Fast User Switching is a useful feature in Windows that allows you to quickly switch between different accounts on your machine. Greg Shultz describes his HTML applications, which allow you to tweak the Bubbles, Ribbons, and Mystify screen savers.
The HTML applications and the PDF version of this blog post are available in this TechRepublic download.
When Microsoft launched Windows Vista, I was excited to see several new, native screen savers in the operating system. Since the settings were in the registry, I always figured that Microsoft would release a patch via Windows Update that would provide a GUI that would make the settings available. When Windows 7 came onto the scene, I discovered that there were fewer screen savers, but I really expected to be able to click the Settings button in the Screen Saver Settings dialog box and see a GUI that would allow me to customize the display of the Bubbles, Ribbons, or Mystify screen savers. In Windows 7, there are no settings that you can configure to customize the display of the Bubbles, Ribbons, or Mystify screen savers. Therefore, I sat down over the weekend and dug out the three HTML applications (HTA) that I created in the Vista time frame and refreshed them to provide a simple user interface for configuring Windows 7's screen savers.
In this edition of the Windows Vista and Windows 7 Report, I'll describe my HTML applications and show you how to use them to tweak the Bubbles, Ribbons, and Mystify screen savers.
As you know, the Bubbles screen saver provides a very pleasing display of transparent bubbles that gently float across your desktop. To configure the Bubbles screen saver, just double-click the Bubbles.hta file and you'll see the main screen, as shown in Figure B. The Bubbles Screen Saver Settings HTA allows you to alter the screen saver's display configuration.
In the Background section, you can select either a Transparent background or a Black background. Once you make some selections, you can click the Preview button to see what the screen saver looks like. The Bubbles Screen Saver is now configured with small, solid bubbles on a black background. If you move your mouse or press a key, the screen saver will disengage and you'll return to the Bubbles Screen Saver Settings dialog box.


If you wish to return the Bubbles screen saver to its original configuration, just click the Reset button. Both the Ribbons and Mystify screen savers essentially display a set of colorful lines that streak and curve across the screen.
The Ribbons and Mystify screen savers each have two settings that you can use to manipulate the appearance of the display. When you click the Number of Ribbons drop-down menu, you can select any one of the following numbers: 2, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100. Once you make your selections, you can click the Preview button to instantly test the screen saver with those choices. When you are satisfied with your configuration, just click OK, and the Ribbons Screen Saver Settings dialog box will close and the settings you chose will be enabled the next time the screen saver kicks in. If you wish to return the Ribbons screen saver to its default configuration, just click the Reset button. The Mystify Screen Saver Settings HTA allows you to alter the screen saver's display configuration.
You can download the Screen Saver Settings Package for Windows 7 as part of the TechRepublic Download associated with this document. TechRepublic's Windows Vista and Windows 7 Report newsletter, delivered every Friday, offers tips, news, and scuttlebutt on Vista and Windows 7, including a look at new features in the latest version of the Windows OS. By default the Ribbons screen saver has no options to set in the Screen Saver Settings window.
You will just need to play with the settings and adjust the Value Data (step 8) until you get the desired affect from the selected DWORD Value Name (step 5). NOTE: You can add and customize one, a few, or all of the available options if you like (see table below step 6), but only add one instance of each DWORD Value Name in step 5 to prevent problems. Customize Screen Saver in Windows VistaI want to customize my screen saver in windows Vista. This method is decorated by the DllImportAttribute attribute specifying the library which the method resides in. This is very useful when you need to be away from your computer and do not want other people to use it or access your documents.
At the bottom of the Start Menu you will see a Shut down button with an arrow to the right of it. This will lock your computer and bring you to the Windows Welcome Screen where you will be prompted to enter the password for your user account.
When you setup a screen saver in Windows you have the option to display a login prompt when the screen saver is interrupted.
Windows will now be configured with a screen saver that automatically locks your screen when someone attempts to use it. This is very useful when you need to be away from your computer for a while and do not want other people to use it or access your documents. If it's not used properly, though, it can lead to problems as your computer becomes slow due to the amount of programs that are running at the same time.
However, I was really bummed out when I clicked the Settings button in the Screen Saver Settings dialog box and encountered an error message. While that may have been the intention, Microsoft always had more important things to patch in Vista. As they do, the bubbles change colors and can be rather entertaining as they bump into the edge of the screen and bounce in the opposite direction. As you can see, there are four settings that you can use to manipulate the appearance of the Bubbles screen saver. Keep in mind that if you select the Small option, your screen will eventually fill up with hundreds of small bubbles.
For example, Figure C shows the Bubbles Screen Saver configured with small, solid bubbles on a black background. For example, Figure E shows the Ribbons Screen Saver configured with 60 of the thinnest lines. Now, if at a later date, you decide that you want to alter the settings but can't remember what settings you selected last time, you can click one of the Get Current Value buttons and you'll see a dialog box showing the current setting.


As always, if you have comments or information to share about this topic, please take a moment to drop by the TechRepublic Community Forums and let us hear from you. Previously, he has worked as Documentation Specialist in the software industry, a Technical Support Specialist in educational industry, and a Technical Journalist in the computer publishing industry. You can control this period from the Screen Saver options from the desktop properties dialog. We will explain you how to change screen saver, and also some detailed step-by-step guide on how to setup pictures slideshow as screen saver in Windows 7.How to Change Screen Saver1. This tutorial will walk you through locking your screen in all versions of Windows as well as a method of automatically locking your screen when your computer has been idle for a certain amount of time.
This is a great option if you want to lock your computer automatically when it has not been used for specific amount of time. For those who feel that their computer is in a secure environment, this feature can be annoying as it requires a few extra steps to get back to what you are doing.
This will allow the new account to have access to all of the computer's resources, which will allow it to be faster. I quickly discovered that none of the new screen savers provided any configuration settings with which you could customize the display.
When you do, the Bubbles Screen Saver Settings dialog box will close and the settings you chose will be enabled the next time the screen saver kicks in. Also, because of System.IntPtr is the best type for marshaling any Win32 raw handle, we have used it for the first argument. Now, if you have multiple monitors, the Huge option will display more bubbles because there is more screen real estate to accommodate them.
When you do, you'll see the main screen and can configure the screen saver as described earlier. UINT, WPARAM, AND LPARAM are all defined as an unsigned 32-bit integer, so we have marshaled them as System.UInt32. In Screen Saver Settings, click on drop down arrow and select desired screen saver from available screen savers. Click “OK” to save changes.How to set your favorite Photos Slide Show as Screen SaverFirstly, create a folder in a known location and give a suitable name for it.
Make sure this folder location is easy to find, as you will use this folder for storing images for slide show. You can replace images anytime.Next, copy and save all the images which you want to run as slide show screen saver into the folder. For example, we have created a folder “Screen Saver Pics” in a location as shown in screen-shot below.
Select  “Photos” screen saver from the drop down list and then click on “Settings” button2. In “Photo Screen Saver Settings” dialog box, click on “Browse” button and select the folder that you created before.3.
You can adjust slide show speed from available 3 speeds including “Slow”, “Medium”, and “Fast”. Check the box “On resume, display logon screen” if you have password protected login for your account. Kiran Kumar is an Engineer by profession, and loves blogging primarily on Microsoft Windows operating system and also enjoys reviewing software and products. Currently, he is exploring Windows 10 and you will see a lot of articles on know-how about it. When he is not writing for TWP, he enjoys time with his Family, listens to lot of music, enjoys Biking, and occasionally plays racing games on Xbox One. The Windows Planet is an independent site that is not affiliated with or endorsed by Microsoft.



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