User manual ACER ASPIRE 5750G

[. . . ] Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer Corporation. Other brand and product names are trademarks and/or registered trademarks of their respective holders. III Conventions The following conventions are used in this manual: SCREEN MESSAGES NOTE Denotes actual messages that appear on screen. Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. [. . . ] This is because the user is not allowed to control the settings in these cases. Chapter 2 43 Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. PhoenixBIOS Setup Utility Information Main Security Boot Power Exit Item Specific Help Supervisor Password Is : User Password Is : SATA Port 0 Disk status Set Supervisor Password Set User Password Set SATA Port 0 HDD Password Password on boot : Clear Clear Clear [Enter] [Enter] [Enter] [Enabled] Supervisor Password controls access to the setup utility. F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit 44 Chapter 2 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter Supervisor Password is User Password is Hard Disk Password Status Set Supervisor Password Description Shows the setting of the Supervisor password Shows the setting of the user password. When set, this password protects the BIOS Setup Utility from unauthorized access. The user can not either enter the Setup menu nor change the value of parameters. When user password is set, this password protects the BIOS Setup Utility from unauthorized access. The user can enter Setup menu only and does not have right to change the value of parameters. When set, this password protects the BIOS Setup Utility from unauthorized access. The user can not either enter the Setup menu nor change the value of parameters. Defines whether a password is required or not while the events defined in this group happened. The following sub-options are all requires the Supervisor password for changes and should be grayed out if the user password was used to enter setup. Option Clear or Set Clear or Set Clear or Set Set User Password Set Hard Disk Password Password on Boot Disabled or Enabled NOTE: When you are prompted to enter a password, you have three tries before the system halts. If you forget your password, you may have to return your notebook computer to your dealer to reset it. Setting a Password Follow these steps as you set the supervisor, user, or hard disk password: 1. Enables, disables the Altvid function, to reduce processor voltage to the minimal operation level. Format/Option Enabled or Disabled Disabled or Enabled Enabled or Disabled 50 Chapter 2 Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. PhoenixBIOS Setup Utility Information Main Security Boot Power Exit Item Specific Help Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes [Enter] [Enter] [Enter] [Enter] [Enter] Exit System Setup and save your changes to CMOS. F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit The table below describes the parameters in this screen. Parameter Exit Saving Changes Exit Discarding Changes Load Setup Default Discard Changes Save Changes Description Exit System Setup and save your changes to CMOS. Save Setup Data to CMOS. Chapter 2 51 BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. 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. The flash utility has auto-execution function. 52 Chapter 2 Chapter 3 Machine Disassembly and Replacement 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: Wrist grounding strap and conductive mat for preventing electrostatic discharge Small Philips screw driver Philips screwdriver Plastic flat head screw driver 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. When you remove the stripe cover, please be careful not to scrape the cover. Chapter 3 53 General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Unplug the AC adapter and all power and signal cables from the system. [. . . ] If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. Do not replace a non-defective FRU: System board LCD assembly 86 Chapter 4 Chapter 5 Jumper and Connector Locations Top View 1 2 3 5 4 6 7 9 10 8 12 13 11 18 16 14 15 17 20 19 21 22 1 2 3 4 5 6 7 8 9 10 11 LED3 LED4 LED5 CN3 CN4 U7 CN5 CN10 CN7 CN8 CN9 HDD LED Num Lock LED Caps Lock LED LCD Connector Speaker Connector Keyboard Connector Touchpad Connector Bluetooth Connector 12 13 14 15 16 17 18 19 20 21 22 CN13 U12 LED6 LED7 SW4 SW5 SW3 SW6 SW8 SW7 CN17 Card Bus Socket Winbond Keyboard Controller Power LED Battery LED Left Click Button Switch Left Scroll Button Switch Up Scroll Button Switch Right Scroll Button Switch Down Scroll Button Switch Right Click Button Switch Audio Board Connector Chapter 5 87 Bottom View 1 2 5 3 4 6 7 8 9 10 12 13 14 16 15 11 17 19 18 20 21 1 2 3 4 5 6 7 8 9 10 11 CN18 CN19 CN20 CN23 CN22 U20 U21 J3 J4 CN25 VGA Jack Battery Connector S-Video Connector Wireless LAN Card Connector IEEE 1394 Connector North Bridge CPU Socket DIMM Socket DIMM Socket Ethernet Controller 12 13 14 15 16 17 18 19 20 21 CN26 CN27 CN24 CN28 CN29 CN30 U26 CN32 U29 CN33 USB Connecto Optical Disk Drive Connector SATA HDD Connector Audio Codec 5-in-1 Card Reader Infrared Sensor USB Connecto 88 Chapter 5 Chapter 6 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire Mono. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your regional web or channel. [. . . ]