Lenovo 57323748, B550 Troubleshooting Sound problems, Battery problems, Hard disk drive problem

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Chapter 5. Troubleshooting

Sound problems

No sound can be heard from the

• Make sure that:

speaker even when the volume is

- The Mute function is off.

turned up.

- The headphone jack is not used.

 

 

- Speakers are selected as the playback device.

 

 

Battery problems

 

 

 

Your computer shuts down before the battery status indicator shows empty.

-or-

Your computer operates after the battery status indicator shows empty.

The operating time for a fully charged battery is short.

The computer does not operate with a fully charged battery.

The battery does not charge.

•Discharge and recharge the battery.

•For details, see “Handling the battery” in Chapter 2.

•The surge protector in the battery might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again.

•For details, see “Handling the battery” in Chapter 2.

A hard disk drive problem

The hard disk drive does not work.

• In the Boot menu in BIOS Setup Utility, make sure that the hard

 

disk drive is included in the Boot priority order correctly.

 

 

A startup problem

 

 

 

The Microsoft® Windows operating

• Use the OneKey Rescue system to help solve or identify your

system does not start.

problem. For details about OneKey Rescue system, see “Chapter 4.

 

OneKey Rescue system” on page 19.

 

OneKey Rescue system problems

 

 

Backup cannot be made.

• You are not currently using a Windows operating system.

 

• There is not enough space to store the backed up data. You will need

 

to free more hard disk space on your system partition (C drive).

Fail to restore system partition to

• The system partition, such as the partition size or the drive capacity

factory default.

of C, has been modified.

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Contents Lenovo B550 First Edition January Copyright Lenovo Dear user Explanation of hard disk capacity Contents Important safety information Important safety information„ Read this first UnpackImportant safety information Correct usage proceduresService and upgrades Getting to know your computer Getting to know your computer Power button System statusSelect models only TouchpadGetting to know your computer Fan louversRJ-45 port VGA portUSB port Optical driveSpeakers Microphone jack Headphone jackSpring loaded Hard disk drive Battery latchManual Battery pack „ Connecting to the power „ Configuring the operating systemLearning the basics „ Reading the manualsPutting your computer into sleep state „ Shutting down your computerLearning the basics Using AC adapter and battery „ Checking battery status„ Charging the battery „ Removing the battery pack„ Handling the battery Left click button„ Numeric keypad „ Function key combinationsLearning the basics OneKey Rescue system button System status indicators E f„ Attaching a security lock not supplied „ Using VeriFace„ Using passwords Connecting external devices „ Connecting a universal serial bus USB device„ Connecting a Bluetooth enabled device select models only Enabling Bluetooth communications„ Hardware connection Using the Internet„ Software configuration Wireless connection „ Using Wi-Fi/WiMAXUsing the Internet Enabling wireless connectionOneKey Rescue system „ IntroductionTroubleshooting Frequently asked questionsTroubleshooting What can I do if the backup process fails?Display problems Password problemTroubleshooting Sleep or hibernation problems Computer screen problemsTroubleshooting Sound problems Battery problemsHard disk drive problem Startup problemTroubleshooting Other problems Upgrading and replacing devices Replacing the batteryTo replace the battery, do the following Replacing the hard disk drive Upgrading and replacing devicesHandling a hard disk drive To replace the hard disk drive, do the followingUpgrading and replacing devices To install an SO-DIMM, do the following Upgrading and replacing devices Removing the optical drive To remove the optical drive, do the followingUpgrading and replacing devices Appendix A. Getting help and service Calling the customer support centerAppendix A. Getting help and service Getting help around the worldLenovo warranty service telephone numbers Warranty Service Telephone Numbers„ Be careful about where and how you work Appendix B. Use, and care informationCaring for your computer „ Notice of static-electricity„ Be gentle with your computer „ Carry your computer properly„ For outdoor use „ Handle storage media and drives properly„ Other important tips „ Data safety„ Take care in setting passwords „ Questions about vision? „ Ergonomic information„ What if you are traveling? „ General tips for maintenance „ Cleaning your computer display „ Cleaning the cover of your computer„ Cleaning your computer keyboard Appendix C. Lenovo limited warranty „ What this warranty covers„ How to obtain warranty service „ What your service provider will do to correct problems„ Your additional responsibilities „ Replacement of a product or partAppendix C. Lenovo limited warranty „ Limitation of liability „ What this warranty does not cover„ Use of personal information „ European Economic Area EEA „ Dispute resolution„ Other rights „ Suplemento de Garantía para México „ Lenovo Turkey address Lenovo Technology B.V. Turkiye Istanbul Subesi„ Types of warranty service Customer Replaceable Unit CRU Service On-site ServiceCourier or Depot Service Customer Carry-In or Mail-In ServiceAppendix C. Lenovo limited warranty Product Exchange Service Appendix D. Customer replaceable units CRUs Appendix E. Notices „ Export classification notice Appendix E. NoticesWindows XP Energy Star model informationWindows Wireless related information „ Wireless interoperability„ Safety information related to Mobile Broadband „ Usage environment and your healthTV tuner information Appendix E. Notices Electronic emissions notices „ Federal Communications Commission FCC Statement„ German Class B Compliance Statement „ Industry Canada Class B Emission Compliance Statement„ Avis de conformité à la réglementation d’Industrie Canada „ European Union Compliance Statement Class B Compliance Turkish statement of compliance Türkiye EEE Yönetmeliğine Uygunluk BeyanıWeee and recycling statements „ Disposing of a Lenovo Computer Components Japan recycling statementsEU Weee statements Appendix E. Notices Appendix F. Features and specifications Trademarks Index Index Page Do not Return IT to the Store New World. New Thinking.TM

B550, 57323748 specifications

The Lenovo B550 (model number 57323748) is a versatile and efficient business laptop designed to meet the demands of professional users who require both performance and reliability. This model stands out in Lenovo's lineup due to its well-balanced combination of features, technologies, and characteristics, making it an ideal choice for both on-the-go professionals and office environments.

One of the key features of the B550 is its durable design. The laptop is built with robust materials that withstand the rigors of frequent travel while maintaining a sleek and professional appearance. The spill-resistant keyboard adds an additional layer of protection, ensuring that accidental spills won't jeopardize the device's functionality.

Under the hood, the Lenovo B550 is powered by a choice of the latest Intel or AMD processors, delivering exceptional processing power for multitasking and demanding applications. Coupled with generous RAM options, users can seamlessly run multiple applications without experiencing lag, making it an efficient tool for productivity.

The B550 also boasts impressive storage options, including solid-state drives (SSDs) that not only increase the speed of boot times and application launches but also enhance overall system performance. Users can choose from a variety of storage capacities to suit their needs, ensuring that they have ample space for files and applications.

Display quality is important for any laptop, and the B550 does not disappoint. It features a high-resolution display with vibrant colors and sharp details, ensuring that users can enjoy crisp visuals whether they're working on a presentation or watching multimedia content. Additionally, anti-glare technology helps reduce eye strain during extended use.

Connectivity is another strong point of the B550. The laptop comes equipped with a range of ports, including USB Type-C, HDMI, and various USB-A ports, allowing for easy connection to peripherals and external displays. Additionally, integrated Wi-Fi and Bluetooth technologies provide reliable wireless connectivity for internet access and device pairing.

Security features are also a priority for the Lenovo B550. The device includes a fingerprint reader and TPM (Trusted Platform Module) to protect sensitive data and ensure secure login. This is particularly important for business users handling confidential information.

In conclusion, the Lenovo B550 (57323748) is a well-rounded business laptop that emphasizes durability, performance, and security. Its combination of advanced technologies and user-friendly features makes it a solid choice for professionals seeking a reliable machine that can keep up with their fast-paced work environment.
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