Lenovo 10090/2556/4748 [K415], 10121/90A1 [K450 ES] manual Troubleshooting Software Problems

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Troubleshooting Software Problems

Problem: You are unable to exit a running program normally.

Troubleshooting and problem resolution:

1.Press the Ctrl, Alt and Delete keys at the same time, then select the Task Manager option from the pop-up dialog box.

2.Select the problem program, then click the End Task button.

Problem: You need to install or uninstall a program.

Problem resolution:

During installation never abort the install process by powering the system off or through other drastic means. This can cause system program problems or even failure during system initialization.

During the uninstall process, never directly delete the files or folders. This is harmful to the operating system, and might cause a system-wide malfunction. Use the following procedure to properly uninstall programs:

1.Back up all documents and system settings related to the program before removing it.

2.If the program has its own uninstaller, run it directly to uninstall the program.

3.If the program does not have its own uninstaller, then select Apps → Control Panel from the Search charm.

4.From the Control Panel, choose Programs → Programs and Features.

5.Find the applicable program from the Programs and Features dialog box and then select Uninstall/Change.

6.Perform the instructions displayed to uninstall the software.

Troubleshooting Problems with Optical Drives and Hard Disks

Problem: The Optical drive is unable to read a CD/DVD.

Troubleshooting and problem resolution:

1.Check to determine if there is an optical drive icon in the resource manager of the operating system. If not, restart your computer. If there is still no icon, contact Lenovo Service. Otherwise, continue with the next step of this procedure.

34User Guide

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Contents IdeaCentre K4 Series Important Safety Information Page Contents Hardware Replacement Guide Using the Computer Hardware Front view of the chassis IdeaCentre K450 Rear view of the chassisUser Guide User Guide User Guide Connector Description Microphone Basic connector instructionsConnecting your computer Configurations are as followings Audio configuration instructionsSound configuration is as follows Connecting the power cord Connecting to the Internet Display connecting instructions when playing Blu-ray DiscsWired keyboard selected models only Components Hot-swappable hard disk USB adapter Hot-swappable hard disk selected models onlyUser Guide Power Control Switch selected models only User Guide Auto Turbo User Guide Using Windows Switching between the main Windows 8 interfaces Charms BarShutting down the computer Windows Help and Support Switching between appsClosing an app Opening other system programsUser Guide Using the Rescue System OneKey Recovery Driver and Application Installation Method 1 Automatic InstallationMethod 2 Manual Installation User Guide Using the Software User Guide Service and WarrantyLenovo Support RegistrationTroubleshooting Confirming Setup Troubleshooting Display Problems Solving ProblemsTroubleshooting Audio Problems Troubleshooting Problems with Optical Drives and Hard Disks Troubleshooting Software ProblemsSpecial considerations for troubleshooting Windows Bios setup utility Performing Daily Maintenance Tasks User Guide Hardware Replacement Guide Overview Safety information for replacing CRUsTools required Additional information resourcesHandling static-sensitive devices Identifying internal components LocationsLenovo K450 Identifying parts on the system boardLenovo K430 Lenovo K410 Lenovo K415 Pre-disassembly instructions Replacing hardwareGeneral information To remove the computer cover Removing the computer coverTo remove the front bezel Removing the front bezelTo replace a memory module Replacing a memory moduleK415 Memory Installation Instructions To replace a hard disk drive Replacing a hard disk driveTo replace an optical drive Replacing an optical driveTo replace a graphics card Replacing a graphics cardUser Guide User Guide To replace the TV-Tuner card Replacing the TV-Tuner cardUser Guide To replace the keyboard Replacing the keyboard and mouseDeclaration AppendixTrademarks 4744 4748 4743 10121/90A1 Energy Star StatementEnabling ErP compliance mode

10120/90A0 [K450 NON-ES], 10121/90A1 [K450 ES], 10089/1168/4744 [K410], 10086/3109/4743 [K430], 10090/2556/4748 [K415] specifications

The Lenovo K series laptops, including the 10086/3109/4743 [K430], 10090/2556/4748 [K415], 10121/90A1 [K450 ES], 10120/90A0 [K450 NON-ES], and 10089/1168/4744 [K410], are noteworthy entries in the realm of multimedia laptops. Each model boasts a distinct set of features and technologies that cater to a range of user preferences, from casual browsing to robust multimedia tasks.

The K430 stands out with its sleek design and a high-definition display, offering vibrant visuals ideal for movies and photo editing. It is equipped with Intel's processors, ensuring smooth performance and energy efficiency. The inclusion of Dolby Home Theater technology enhances audio quality, providing immersive sound for entertainment enthusiasts. With ample storage options and an Intel HD graphics card, the K430 is suitable for both work and play.

Next is the K415, which features a slightly larger screen than the K430, making it a great choice for users who prefer a more expansive viewing experience. It combines functionality with aesthetics, offering a stylish look while being durable enough for everyday use. Key features include enhanced connectivity options, including USB 3.0 ports, which allow for fast data transfer and compatibility with a variety of peripherals. The K415 is designed for multitasking, equipped with sufficient RAM and a fast processor.

The K450 ES and K450 NON-ES models offer similar specifications, yet they cater to different market segments. The ES version includes enhanced security features, making it suitable for users concerned about data protection. Both models come equipped with high-performance components, ensuring they can handle demanding applications without compromising speed. They also incorporate Lenovo's proprietary AccuType keyboard, which provides better typing comfort and accuracy.

Finally, the K410 model appeals to users seeking a portable yet powerful machine. It is lightweight, making it ideal for students and professionals on the go. The K410 integrates Lenovo's OneKey Recovery system, facilitating data backup and restoring processes. It also features integrated Wi-Fi and Bluetooth connectivity for seamless online experiences and peripheral connection.

In summary, Lenovo's K series laptops are engineered to meet diverse computing needs. With their blend of performance, aesthetics, and user-friendly features, these models ensure that customers can find a laptop that perfectly fits their demands, whether for work, study, or entertainment.
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