Lenovo 370245U manual Recovering from a severe software problem, Battery problem, System problems

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1.Ensure that your hands are clean and dry when touching the screen.

2.Restart your tablet to try again.

If the problem persists, contact Lenovo for technical support.

Battery problem

Problem: The battery does not charge correctly.

Suggested solution: Check if the ac power adapter is connected correctly. If the connection is good but the battery still does not charge, contact Lenovo to replace with a new battery.

System problems

•Problem: Unable to turn the tablet on.

Suggested solution: Connect your tablet to an ac power outlet to see if the problem is caused by a drained battery. If the problem persists, insert a needle or a straightened paper clip into the emergency reset hole. To locate the emergency reset hole, see “Rear view” on page 2 and “Front and side view” on page 4. If the problem still persists, contact Lenovo for technical support.

Media problems

•Problem: The audio quality is poor or there is no sound output.

Suggested solution: Check and ensure that:

–The speaker is not covered.

–The speaker mute function is disabled.

–If you are using a headset, unplug it, then plug it in again.

–The volume is not turned to the lowest level.

If the problem persists, contact Lenovo for technical support.

•Problem: A song, video, or other media file cannot be played.

Suggested solution: Check and ensure that the media file is not corrupted.

External device connection problems

•Problem: A connection is not established when you connect the tablet to a computer.

Suggested solution: Ensure that the tablet USB cable you are using is the one that is shipped with your tablet.

•Problem: Bluetooth devices cannot be located.

Suggested solution: Ensure that:

–Your tablet Bluetooth is switched.

–The Bluetooth feature is activated on the device to which you want to connect.

–Your tablet and the Bluetooth device are within the maximum Bluetooth range (10 m).

If the problem persists, contact Lenovo for technical support.

Recovering from a severe software problem

If your tablet stops responding and you cannot turn off the tablet by pressing and holding the power button, insert a needle or a straightened paper clip into the emergency reset hole to reset the tablet. Then restart your tablet. To locate the emergency reset hole, see “Rear view” on page 2 and “Front and side view” on page 4.

56User Guide

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Contents User Guide Safety, Warranty, and Setup Guide Regulatory Notice First Edition December Copyright LenovoContents Getting support Important safety and handling information Read this firstPrevent hearing damage Dispose according to local laws and regulationsKeep your tablet and accessories away from small children Protect your data and softwareBe aware of heat generated by your tablet Polyvinyl Chloride PVC cable and cord noticeVi User Guide Product layout Product overviewFront view USB 3.0 connectors Rear viewThinkPad pointing device Fn keyMini DisplayPort connector Emergency reset holePower connector Tablet layoutTablet Digitizer Pen storage Front and side viewFan louvers Power button Volume control buttonsUSB 2.0 connector Keyboard dock connectorsSIM card tray Built-in stereo speakersWindows button Multi-touch screenRear-facing camera Back-side viewNFC logo on some models Accessories FeaturesSpecifications Battery Power source ac power adapterOperating environment Lenovo programsApplication Description User Guide Initial setup instructions Using your tabletUsing the multi-touch screen Using the On-Screen Keyboard and the Touch Keyboard Using the Tablet Digitizer PenTap Settings Control Panel Tap On-Screen Keyboard in AppsUsing the keyboard dock Downloading games and applicationsUser Guide Using the function keys Volume and mute controlScreen control Application controlOther function keys Fn key controlPower management Using the ThinkPad pointing deviceCharging the battery User Guide Extending the battery life between charges Checking the battery statusUsing the cameras Using synchronization solutionsUsing the GPS satellite receiver Synchronizing files by using the Lenovo Cloud solutionWireless networks and devices Installing and removing the SIM cardDetermining which mobile network you are using Connecting to a Wi-Fi network Connecting to a mobile data networkTap Set as metered connection Sharing your Internet connection Using Bluetooth devices Using NFCUser Guide Using passwords Passwords and sleep modeSecurity Attaching a mechanical lockPower-on password Entering passwordsHard disk passwords Setting a hard disk password Tap Security Tap Password Tap Hard Disk 1 PasswordSupervisor password Changing or removing a hard disk passwordSetting, changing, or removing a supervisor password Tap Security Tap Password Tap Supervisor PasswordSetting the security chip Setting the security chipTap Security Chip. The Security Chip submenu opens Using firewalls Protecting data against virusesRecovery overview Resetting your tablet to the factory default settingsRefreshing your tablet Advanced startup optionsUser Guide Installing device drivers ThinkPad Setup Advanced configurationMain menu Config menu Preinstalled operating system license Uefi secure bootEnabled Menu item Submenu item Selection CommentsDisabled PowerBattery Optimized Menu item Submenu item Selection Comments Keyboard/MouseHours YesBeep and Alarm Serial ATA SataSecurity menu Date and Time menuVT 100+ Menu item Submenu item Value Comments Password Bios ROM String Reporting Bios text stringSecurity Chip InactiveUpdate Option Protection EnabledPort Access Menu item Submenu item Value CommentsSecure Boot User ModeStandard Mode Startup menuChanging the startup sequence Using system management Updating your system Uefi BiosRestart menu Setting management feature System managementComfort and accessibility Using your tablet more comfortablyAccessibility information Getting updatesTraveling with your tablet Travel accessoriesTravel tips Care and maintenance Cleaning your tabletProtecting the screen with a replaceable film Storing the tablet for extended periodsUser Guide Diagnosing problems Troubleshooting problemsTroubleshooting Recovering from a severe software problem Battery problemSystem problems Media problemsError messages Errors without messages Getting support Lenovo technical supportProcedure Procedure Tap Community ForumsLenovo user forums Finding ThinkPad optionsWireless related information Wireless interoperabilityAppendix A. Regulatory information Usage environment and your healthExport classification notice Location of the UltraConnect wireless antennasElectronic emission notices Industry Canada Class B emission compliance statement German Class B compliance statement Appendix A. Regulatory information User Guide Lenovo recycling statement Japan recycling statements Disposing of disused lithium batteries from Lenovo computersRecycling information for Brazil Battery recycling information for TaiwanImportant Weee information Page User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Power plan Energy Saver settings when plugged into ac power Appendix D. Energy Star model informationTap OK Appendix E. Notices Trademarks Page Part Number Printed 1P P/N

EX624405, 370245U, 36984SU, 37023SU, 36984LU specifications

Lenovo has established itself as a leader in the technology sector, consistently delivering high-performance devices tailored to meet a variety of user needs. Among its various offerings are models such as the Lenovo 36984MU, 37023SU, 36984SU, EX624405, and 370133U, which showcase the brand's commitment to innovation and quality.

The Lenovo 36984MU is known for its robust performance, powered by a reliable processor that balances speed and efficiency. This model is equipped with a vivid display, providing users with crystal-clear visuals that enhance the overall experience, whether for work or entertainment. Additionally, it boasts generous storage capacity, allowing users to store and access a vast library of files and applications without compromise.

The 37023SU model stands out for its portability and design on the go. This laptop comes with advanced thermal management technology, which ensures optimal cooling during intensive tasks. Users can appreciate the ergonomic keyboard designed for comfortable typing, making it perfect for long hours of use. The inclusion of multiple connectivity options ensures that this device can seamlessly integrate into various environments.

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The EX624405 is a versatile option, designed for professionals seeking reliability and efficiency. With enhanced security features and management tools, this model is tailored for business use. The system is equipped with enterprise-level antivirus software and encryption options, ensuring data protection.

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Together, these Lenovo models demonstrate a diverse range of features, technologies, and characteristics that cater to various users from gamers to professionals, ensuring that Lenovo remains at the forefront of the technology industry.
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