IBM 8086, 8088, 8090, 8089, 8087 manual Erasing a lost or forgotten password clearing Cmos

Page 36

7.Install the new battery.

8.Replace the fan bracket assembly.

9.Close the cover, and plug in the power cord. See “Closing the cover and connecting the cables” on page 23.

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.

10.Turn on the computer and all attached devices.

11.Use the IBM Setup Utility program to set the date and time and any passwords. See Chapter 2, “Using the IBM Setup Utility program,” on page 25.

Erasing a lost or forgotten password (clearing CMOS)

This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, see Access IBM on your desktop.

To erase a forgotten password:

1.Turn off the computer and any attached devices, such as printers, monitors, and external drives.

2.Unplug all power cords from electrical outlets, and open the cover. See “Opening the cover” on page 10.

3.Pivot the drive bay assembly upward to gain access to the system board.

4.Locate the fan bracket assembly. See “Locating components” on page 11.

5.Lift the fan bracket assembly up to gain access to the Clear CMOS/Recovery jumper.

22User Guide

Image 36

Contents User Guide Types 8086, 8087 Types 8089 Page User Guide Types 8086, 8087 Types 8089 Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devices Plugs and outletsBatteries CD and DVD drive safety Heat and product ventilationAdditional safety information Lithium battery noticeModem safety information To connect To disconnectPower supply statement Laser compliance statementOverview Information resourcesXii User Guide Installing options FeaturesVideo subsystem Operating systems preinstalled varies by model type Specifications Supported operating positions Available optionsHandling static-sensitive devices Installing external options Locating the connectors on the front of your computerLocating the connectors on the rear of your computer Connector Description Obtaining device driversOpening the cover Locating components Identifying parts on the system boardInstalling memory Installing options Installing a PCI adapter What to do nextWhat to do next Installing internal drives Removing and replacing an optical driveRemoving and replacing a hard disk drive User Guide Connecting a parallel ATA hard disk drive Security features Integrated cable lock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables User Guide Using the IBM Setup Utility program Starting the IBM Setup Utility programViewing and changing settings Exiting from the IBM Setup Utility programUser password Administrator passwordSetting, changing, and deleting a password Using Security Profile by DeviceUsing IDE Drives Setup Selecting a startup deviceSelecting a temporary startup device Changing the startup sequenceUser Guide Updating flashing Bios from a diskette Updating flashing Bios from your operating systemAppendix A. Updating system programs System programsRecovering from a POST/BIOS update failure Appendix A. Updating system programs User Guide Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball User Guide Appendix C. 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 C. Manual modem commands User Guide Appendix D. Customer replaceable unit CRU parts list Tier 1 CRUsTier 2 CRUs User Guide Appendix E. Notices Television output notice TrademarksIndex Security integrated cable lock Page Part Number 19R2375