Lenovo 7397, 7392, 7391, 7398, 7396, 7390 manual Erasing a lost or forgotten password clearing Cmos

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To change the battery:

1.Turn off the computer and disconnect the power cord from the electrical outlet and from the computer.

2.Remove the computer cover. See “Removing the cover” on page 20.

3.Access the system board components. See “Accessing system board components” on page 22.

4.Locate the battery. See “Identifying parts on the system board” on page 24.

5.Remove the old battery.

6.Install the new battery.

7.Replace the computer cover, and connect the cables. See “Replacing the cover and connecting the cables” on page 31.

Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery.

8.Turn on the computer and all attached devices.

9.Use the Setup Utility program to set the date and time and any passwords. See Chapter 5, “Using the Setup Utility,” on page 41.

Erasing a lost or forgotten password (clearing CMOS)

This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, go to the Lenovo Caresm program.

To erase a forgotten password:

1.Remove the computer cover. See“Removing the cover” on page 20.

2.You might have to access the system board components. See “Accessing system board components” on page 22.

3.Locate the Clear CMOS/Recovery jumper on the system board. See “Identifying parts on the system board” on page 24.

4.Move the jumper from the standard position (pins 1 and 2) to the maintenance or configure position (pins 2 and 3).

Note: If the system board has only two pins for clearing CMOS, add a jumper to the two pins.

5.Replace the computer cover and connect the power cord.

30User Guide

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Contents User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Index Appendix A. Manual modem Commands Important safety information Conditions that require immediate actionGeneral safety guidelines Service and upgradesPower cords and power adapters Static electricity preventionViii User Guide Voltage-selection switch Extension cords and related devicesPlugs and outlets External devices BatteriesHeat and product ventilation Operating environment Electrical current safety information Lithium battery noticeTo connect To disconnect Modem safety information Laser compliance statementPower supply statement Data safetyCleaning and maintenance Additional safety informationIntroduction Xvi User Guide Arranging your workspace ComfortGlare and lighting Air circulation Electrical outlets and cable lengthsSetting up your computer Connecting your computerUser Guide Setting up your computer User Guide 1394 Turning on power Finishing the software installationCompleting important tasks Installing other operating systems Updating your operating systemUpdating your antivirus software Shutting down the computerUser Guide Installing options FeaturesMemory Input/output features Available options Specifications DimensionsWeight EnvironmentSupported operating positions Tools requiredHandling static-sensitive devices Installing external options Locating connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Accessing system board components Installing options Identifying parts on the system board Installing options Installing memory Installing PCI adapters What to do nextInstalling security features Password protection Changing the batteryPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsUser Password Administrator PasswordSetting, changing, and deleting a password Using Security Profile by DeviceSelecting a startup device Selecting a temporary startup deviceChanging the startup device sequence Advanced settings Exiting from the Setup Utility programUsing system programs Updating flashing Bios from a disketteUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOSCreating diagnostic diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo CareAccess Help Safety and warrantyHelp and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsLow speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex 14, 24, 25 Page Part Number
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7390, 7396, 7398, 7391, 7392 specifications

Lenovo has consistently been at the forefront of innovation in the technology space, and its range of products identified by the model numbers 7392, 7396, 7398, 7391, and 7397 is no exception. These devices exemplify the company's commitment to delivering cutting-edge features, technological advancements, and user-centric designs.

The Lenovo 7392 series is designed with a robust performance architecture that caters to both business and personal use cases. Equipped with the latest Intel processors, these devices exhibit exceptional multitasking capabilities, ensuring a smooth user experience even when running resource-intensive applications. The 7392 stands out with its high-resolution displays, which offer vivid colors and sharp images, making it ideal for entertainment, design work, and professional presentations.

Next, the Lenovo 7396 enhances user connectivity with a variety of ports, including USB-C, USB 3.0, and HDMI. This versatility allows users to connect a plethora of peripherals, from external monitors to storage devices. Moreover, the device incorporates advanced wireless technologies such as Wi-Fi 6 and Bluetooth 5.0 for faster data transfer and improved connectivity, catering to the needs of users in a rapidly evolving digital landscape.

The Lenovo 7398 model showcases exceptional battery life, providing users with the freedom to work or play without the constant need to recharge. This is further complemented by rapid charging technology, which allows users to gain hours of usage from just a short time plugged in. Such features make it an excellent choice for professionals on the go.

The Lenovo 7391 is particularly noteworthy for its integrated security features. Equipped with a fingerprint reader and optional face recognition, this model ensures that user data remains secure while offering quick and convenient access. This focus on security is particularly appealing to enterprises and individuals who prioritize privacy and data protection.

Lastly, the Lenovo 7397 highlights premium build quality and design. With a sleek aesthetic, lightweight chassis, and durable materials, this model not only looks good but is built to withstand daily wear and tear. The backlit keyboard and touchpad support enhance the usability, allowing users to work comfortably in low-light environments.

In summary, the Lenovo 7392, 7396, 7398, 7391, and 7397 offer a diverse array of features, including powerful performance, robust connectivity options, impressive battery life, enhanced security, and premium design. Together, these models cater to various user needs, solidifying Lenovo's reputation as a leader in innovative technology solutions.
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