Acer Travelmate 4720 Service Guide
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Chapter 241 Main Menu ParameterDescriptionFormat/Option System Time Set the system time following the hour-minute-second format. Format: HH:MM:SS (hour:minute:second) System Date Set the date following the weekday-month-day-year format. Format MM/DD/YYYY (month/day/year) System Memory Total size of system memory detected during POST. Extended Memory Total size of extended memory during POST. Video Memory Total size of VGA memory. Quiet Boot When Enabled, the BIOS splash screen is displayed during startup. Enabled Disabled Network Boot When Enabled, the system can be booted from another PC on your LAN, such as a remote server.Enabled Disabled F12 Boot Menu When Enabled, pressing the F12 key during POST brings up a menu of devices that you can select to boot. Disabled Enabled D2D Recovery Enables or disables disk-to-disk recovery. D2D recovery is a method of restoring the system to factory configurations without using recovery CDs. Enabled Disabled Phoenix TrustedCore(tm) Setup Utility Main Item Specific Help , , or selects field. System Time: System Date: System Memory: Extended Memory: Video Memory: Quiet Boot: Network Boot: F12 Boot Menu: D2D Recovery: F1 EscHelp ExitSelect Item Select Menu Change Values Select Sub-Menu -/+ EnterF9 F10Setup Defaults Save and Exit Information Advanced Security Boot Exit [] []:10:10 04/28/2007 640 KB 2046 MB 256 MB [Enabled] [Enabled] [Disabled] [Enabled]10
42Chapter 2 Advanced Menu ParameterDescriptionFormat/Option AHCI Mode Enables or disables access to SATA connectors via the AHCI (Advanced Host Controller Interface) Option ROM. AHCI is an interface specification that allows the storage driver to enable advanced SATA features such as Native Command Queuing and hot plug. Enabled Disabled Infrared Port Enables or disables the infrared port. Enabled Disabled ASF Configuration Press Enter to configure the Alert Standard Format feature. Phoenix TrustedCore(tm) Setup Utility Main Item Specific Help Configure AHCI Mode using options: [Disabled] No configuration [Enabled] User configuration AHCI Mode: Infrared Port: ASF Configuration F1 EscHelp ExitSelect Item Select Menu Change Values Select Sub-Menu -/+ EnterF9 F10Setup Defaults Save and Exit Information Advanced Security Boot Exit [] []Enabled Enabled
Chapter 243 Security Menu NOTE: Refer to the “Removing a System Password” section for more information on how to remove a password. ParameterDescriptionOption Supervisor Password Is Indicates whether a supervisor password has been assigned. Clear or Set User Password Is Indicates whether a user password has been assigned. Clear or Set Secondary MAS.Disk Status Indicates whether a hard disk drive password has been assigned. Clear or HDD Password Set Set Supervisor Password Press Enter to configure the supervisor password. Set User Password Press Enter to configure the user password. Set Secondary MAS.Disk PasswordPress Enter to configure the hard disk drive password. Password on Boot Enables or disables security check during POST. Disabled or Enabled Phoenix TrustedCore(tm) Setup Utility Main Item Specific Help Supervisor Password controls access of the whole setup utility. Itcanbeusedtoboot up when Password on boot is enabled. Supervisor Password Is: User Password Is: Secondary MAS.Disk Status: Set User Password Set Secondary MAS.Disk Password Password on Boot: Set Supervisor Password F1 EscHelp ExitSelect Item Select Menu Change Values Select Sub-Menu -/+ EnterF9 F10Setup Defaults Save and Exit Information Advanced Security Boot Exit Clear Clear Clear [Enter] [Enter] [Disabled] []Enter
44Chapter 2 Setting a System Password 1.Use the up/down keys to select a password parameter (Set Supervisor Password, Set User Password, or Set Secondary MAS.Disk Password), then press Enter. A Password box will appear. 2.Type a password then press Enter. The password may consist of up to six alphanumeric characters (A-Z, a-z, 0-9). 3.Retype the password to verify the first entry then press Enter again. 4.Press F10. 5.Select Ye s to save the new password and close the Setup Utility. Changing a System Password 1.Use the up/down keys to select a password parameter (Set Supervisor Password, Set User Password, or Set Secondary MAS.Disk Password), then press Enter. 2.Type the original password then press Enter. 3.Type a new password then press Enter. 4.Retype the password to verify the first entry then press Enter again. 5.Press F10. 6.Select Ye s to save the new password and close the Setup Utility. Removing a System Password 1.Use the up/down keys to select a password parameter (Set Supervisor Password, Set User Password, or Set Secondary MAS.Disk Password), then press Enter. 2.Enter the current password then press Enter. 3.Press Enter twice without entering anything in the new and confirm password fields. 4.After doing this, the system automatically sets the related password parameter to Clear.
Chapter 245 Boot Menu This menu allows you to set the drive priority during system boot-up. The system will attempt to boot from the first device on the list. If the first device is not available, it will continue down the list until it reaches an available device. BIOS setup will display an error message if the drive(s) specified is not bootable. Phoenix TrustedCore(tm) Setup Utility Main Item Specific Help Useorto select a device, then presstomoveit up the list, or to move it down the list. Press to escape the menu. Boot priority order: F1 EscHelp ExitSelect Item Select Menu Change Values Select Sub-Menu -/+ EnterF9 F10Setup Defaults Save and Exit Information Advanced Security Boot Exit 2: IDE1: 3: CD/DVD: XXXXXXXXXXX-XXX XX-XXXX-XX 4: PCI LAN: MBA vXX.X.X Slot XXXX 5: USB HDD: 6: USB FDD: 7: USB Key: 8: USB CD/DVD ROM: 1: IDE0: XXXXXXXXXXX-(XX)
46Chapter 2 Exit Menu ParameterDescription Exit Saving Changes Save changes made and close the BIOS setup. Exit Discarding Changes Discards changes made and close the BIOS setup. Load Setup Defaults Loads the default settings for all BIOS setup parameters. Setup Defaults are quite demanding in terms of resources consumption. If you are using low-speed memory chips or other kinds of low-performance components and you choose to load these settings, the system might not function properly. Discard Changes Discards all changes made in the BIOS setup. Save Changes Saves changes made in the BIOS setup. Phoenix TrustedCore(tm) Setup Utility Main Item Specific Help Exit System Setup and save your changes to CMOS. F1 EscHelp ExitSelect Item Select Menu Change Values Select Sub-Menu -/+ EnterF9 F10Setup Defaults Save and Exit Information Advanced Security Boot Exit Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Exit Saving Changes
Chapter 347 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: TWrist grounding strap and conductive mat for preventing electrostatic discharge TFlat screwdriver TPhilips screwdriver THex screwdriver TPlastic flat screwdriver TPlastic tweezers 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. Chapter 3 Machine Disassembly and Replacement
48Chapter 3 General Information Pre-disassembly Instructions 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.Place the system on a flat, stable surface. 4.Remove the battery pack. See “Removing the Battery Pack” on page 51.
Chapter 349 Disassembly Process The disassembly process is divided into the following stages: TExternal module disassembly TMain unit disassembly TLCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Main Screw List ItemScrewColorPart No. A M2 x L4 Black/Silver 86.9A552.4R0 B M2 x L18 Black 86.00G64.720 C M2 x L3 Silver 86.9A552.3R0 D M3 x L4 Silver 86.9A524.4R0 E M2.5 x L6 Black 86.00E33.736 F M2 x L2.5 Silver 86.00F22.722 G M2 x L3 Silver 86.00C07.220 H M2.5 x L5 (torque 1.6) Black 86.00F87.735 M2.5 x L5 (torque 3.0) I M2.5 x L5 (torque 2.5) Black 86.00F00.735
50Chapter 3 External Module Disassembly Process External Modules Disassembly Flowchart The flowchart below 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 mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Screw List ScrewPart No. A M2 x L4 86.9A552.4R0 B M2 x L18 86.00G64.720 C M2 x L3 86.9A552.3R0 D M3 x L4 86.9A524.4R0 E M2.5 x L6 86.00E33.736 F M2 x L2.5 86.00F22.722 EXTERNAL MODULE DISASSEMBLY TURN OFF POWER AND PERIPHERALS UNPLUG POWER CABLES LOWER COVER Bx1OPTICAL DISK DRIVE MODULE Ex1 OPTICAL DISK DRIVEOPTICAL LOCKER BRACKET Fx1 Ax4 WLAN BOARDDIMM MODULES Cx2 HARD DISK DRIVE BRACKET Dx2HARD DISK DRIVE HARD DISK DRIVE MODULE HARD DISK DRIVE RUBBER ENCLOSURE