Acer TravelMate 540 Series User Manual
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Chapter 243 Removing a Password Follow these steps: 1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Password box appears: 2.Type the current password in the Enter Current Password field and press e. 3.Press e twice without typing anything in the Enter New Password and Confirm New Password fields. The computer then sets the Supervisor Password parameter to “Clear”. 4.When you have changed the settings, press u to save the changes and exit the BIOS Setup Utility. Changing a Password 1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Password box appears: 2.Type the current password in the Enter Current Password field and press e. 3.Type a password in the Enter New Password field. Retype the password in the Confirm New Password field. 4.Press e. After setting the password, the computer sets the User Password parameter to “Set”. 5.If desired, you can enable the Password on boot parameter. 6.When you are done, press u to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. The password setting is complete after the user presses u.
44Chapter 2 If the current password entered does not match the actual current password, the screen will show you the Setup Warning. If the new password and confirm new password strings do not match, the screen will display the following message.
Chapter 245 Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay.
46Chapter 2 Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. The table below describes the parameters in this screen. ParameterDescription Exit Saving Changes Exit System Setup and save your changes to CMOS. Exit Discarding Changes Exit utility without saving setup data to CMOS. Load Setup Default Load default values for all SETUP item. Discard Changes Load previous values from CMOS for all SETUP items. Save Changes Save Setup Data to CMOS.
Chapter 247 BIOS Flash Utility The BIOS flash memory update is required for the following conditions: TNew versions of system programs TNew features or options TRestore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash. NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not completely loaded. Fellow the steps below to run the Phlash. 1.Prepare a bootable diskette. 2.Copy the Phlash utilities to the bootable diskette. 3.Then boot the system from the bootable diskette. The Phlash utility has auto-execution function.
Chapter 349 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: TWrist grounding strap and conductive mat for preventing electrostatic discharge TPhilips screw driver TPlastic flat head screwdriver TPlastic tweezers THex screw driver NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components. When you remove the middle cover, please be careful not to scrape the cover. Chapter 3 Machine Disassembly and Replacement
50Chapter 3 General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1.Turn off the power to the system and all peripherals. 2.Unplug the AC adapter and all power and signal cables from the system. 3.Remove the battery pack. NOTE: TravelMate 540 series product uses mylar or tape to fasten the FFC/FPC/connectors/cable, you may need to tear the tape or mylar before you disconnect different FFC/FPC/connectors. NOTE: If you are disassembling a wireless unit, please remove the two screws that secure the mini PCI cover. Then disconnect the wireless antennas before you detach the entire LCD module.
Chapter 351 Disassembly Procedure Flowchart The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Start Battery HDD ModuleThermal Door HDD Connector Lower Door FDD ModuleF*2 ODD Module HDD Top Shielding I*4*2 HDDHDD Carrier FDD BracketFDD FPC CableFDD w/ Bezel B*3 ODDOptical Device Bracket H*4 *2 Optical BoardOptical Device Holder Upgrade Memory Thermal ModuleThermal screw*4 A*6 KeyboardE*2 Middle Cover*2 B*2 Launch BoardMini PCI CoverDIMM Cover Wireless LAN CardMemory Logic Upper AssemblyLogic Lower Assembly Right SpeakerKeyboard Support Plate*8 B*2 A*1Touchpad Button BoardTouchpad Assembly Audio Board ShieldingAudio BoardA*2 Touchpad CoverFFC-TP Bottom to TPTouchpad Main BoardA*1 Lower CaseMain Board w/ Fan A*1 *4 screw locks *4 Main BoardFan Module B*5+A*2 *2 E*11+_*4 LCD Module*6 A*2 B*1
52Chapter 3 Screw List ItemDescription A SCREW M2.5 x 4-ZK B SCREW M2.5 x 3-NI C SCREW LOCK D SCREW M2.0 x 3-NI E SCREW M2.5 x 18-ZK F SCREW M2.5 x 7-ZK G SCREW M2.5 x 6-NI H SCREW M2.0 x 2.5-NI I SCREW M3.0 x 3 -NI J SCREW M2.5 x 5 K SCREW M2.0 x 2.5 L SCREW M2.0 X 0.4+6R M TPB2 x 4.5 2 LCD Rubber 2 screw caps (for 14 only) G*4 for 14 G*2 for 15 LCD Bezel A*4 for 14 G*6 for 15 LCD Inverter LCD AssemblyLCD Panel H*8 for 14 H*6 for 15D*1 LCD Module LCDLCD Wire CableLCD Brackets