IBM A21e manual Errors without messages, Configuration

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Solving computer problems

Message

Cause and action

 

 

UNSUPPPORTED

The size of the installed memory module is over capacity for the system.

MEMORY

ThinkPad A21e supports a memory size of equal or less than 256MB. Shut

CONFIGURATION:

down the system and remove the installed DIMM.

Maximum memory size

 

256MB. Shut down

 

computer and remove

 

extra memory.

 

 

 

CardBus Configuration

Press F1 to go to the IBM BIOS Setup Utility. Press F9 and then Enter to

Error—Device Disabled

load the default setting.

 

Press F10 and then Enter to restart the system.

 

 

Errors without messages

Problem: When I turn on the machine, nothing appears on the screen and the machine does not beep while starting up.

Note: If you are not sure whether you heard any beeps, turn off the computer; then turn it on again, and listen again. If you are using an external monitor, refer to External monitor problems.

Solution: If a power-on password is set, press any key to display the power-on password prompt, and then type the correct password and press Enter. If the power-on password prompt does not appear, the brightness control lever might be set to minimum brightness. Adjust the brightness level by pressing the Fn + Home key. If the screen still remains blank, make sure that:

vThe battery pack is installed correctly.

vThe ac adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

vThe computer power is on. (Turn on the power switch again for confirmation.)

If these items are properly set, and the screen remains blank, have the computer serviced.

Problem: When I turn on the machine, nothing appears on the screen, but I hear two or more beeps or a continuous beep while starting up.

Solution: If you are using Ethernet:

vMake sure that the Ethernet cable is connected firmly.

vContact your network administrator.

If the screen is still blank, and the beeps do not stop, have the computer serviced.

14ThinkPad® A21e Service and Troubleshooting Guide

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Contents ThinkPad A21e Service and Troubleshooting Guide Page Finding information with Access ThinkPad IiiIv ThinkPad A21e Service and Troubleshooting Guide Finding information with Access ThinkPad Vi ThinkPad A21e Service and Troubleshooting Guide Contents Viii ThinkPad A21e Service and Troubleshooting Guide Overview of your new ThinkPad computer Your ThinkPad at a glance Features External interface Specifications Be gentle with your computer Important tips Be careful about where and how you workCaring for your ThinkPad computer Carry your computer properlyHandle storage media and drives properly Take care in setting passwordsOther important tips Cleaning your computer Solving computer problems Diagnosing problems Click PC-Doctor for WindowsTroubleshooting Error messagesSolving computer problems Solving computer problems Errors without messages ConfigurationPower switch problem Password problemsKeyboard problems TrackPoint problems Standby or hibernation problems For Windows Select Intel EtherExpress PRO Adapter, and click Startup Solution For WindowsFor Windows NT Click the Device Manager tabClick Power Management Click the Enable hibernation... buttonClick Advanced Computer screen problemsFor Windows NT Click Start → Settings → control Panel Click Display TypeBattery problems Hard disk drive problems Other problems Starting Bios Setup Utility Recover pre-installed software Solving computer problems To create a Recovery Repair diskette To use the Recovery Repair disketteUpgrading the hard disk drive Handling a hard disk driveUpgrading the hard disk drive Replacing the battery Replacing the battery Getting help and service from IBM Getting help and service Getting help on the WebGetting help by fax Calling IBMTelephone numbers Country or region Language Telephone NumberGetting help and service Getting help and service Appendix A. Important safety instructions ThinkPad A21e Service and Troubleshooting Guide Modem safety information Laser compliance statement Appendix A. Important safety instructions ThinkPad A21e Service and Troubleshooting Guide Warranty Statements Appendix B. Product warranties and noticesWarranties of ANY Kind Appendix B. Product warranties and notices ThinkPad A21e Service and Troubleshooting Guide Warranty Period* -One Year Warranties of ANY Kind Appendix B. Product warranties and notices Part 2 Worldwide Country-Unique Terms Asia PacificFollowing terms apply to all Emea countries Following terms apply to the country specifiedThinkPad A21e Service and Troubleshooting Guide Appendix B. Product warranties and notices North America Processing date data References to the Web site addressesElectronic emission notices Federal Communications Commission FCC StatementTelecommunication notices European Community Directive Conformance StatementFax Branding Industry Canada requirements AvisAvertissement Appendix B. Product warranties and notices ThinkPad A21e Service and Troubleshooting Guide Trademarks ThinkPad A21e Service and Troubleshooting Guide Index ThinkPad A21e Service and Troubleshooting Guide Page Part Number 12P1906

A21e specifications

The IBM A21e is a notable entry in the realm of Lenovo's ThinkPad series, primarily aimed at the educational sector and consumers seeking a reliable, budget-friendly option. Released as a part of IBM's initiative to enhance educational technology, the A21e brings together essential features, practical technologies, and robust characteristics that cater to students and everyday users alike.

One of the most distinguishing features of the A21e is its display. The laptop typically comes with a 14.1-inch screen, offering a resolution of 1024 x 768 pixels. This size provides a balance between portability and usability, making it ideal for students who need to carry their devices between classes without sacrificing screen real estate.

The keyboard is another highlight of the A21e. Renowned for its tactile feedback and comfortable typing experience, the spill-resistant keyboard enables users to write long essays or perform programming tasks with ease. Additionally, the laptop's design includes function keys that make it convenient to perform common computing tasks swiftly.

Under the hood, the A21e is powered by Intel processing technology, typically featuring Intel Celeron or Pentium processors. This ensures that the device is equipped to handle daily tasks such as word processing, web browsing, and multimedia playback. The laptop usually features a discrete graphics option for users who may require a bit more graphical power, catering to casual gamers or multimedia creators.

The memory options for the A21e generally range up to 1GB of RAM, which supports smooth multitasking for basic applications. With a hard drive capacity extending to 40GB or more, users have ample storage for documents, media files, and educational resources. It also features a DVD-ROM drive, allowing for the playback of multimedia and installation of software from physical media.

Connectivity-wise, the IBM A21e supports a variety of ports, including USB 1.1 for peripheral connections, a multimedia card slot, and an Ethernet port for networking capabilities. This emphasis on connectivity ensures that users can integrate the laptop into diverse environments, whether for classroom use or home study.

The laptop's build quality contributes to its perceived durability. With rugged features designed to withstand the rigors of school life, the A21e stands as a practical choice for students and educational institutions alike. Overall, the IBM A21e combines essential features with flexible technologies, making it an enduring tool for learning and productivity.
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