Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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...9 Hardware Specifications and Configurations 11 BIOS Setup Utility 19 System Utilities 19 Navigating the BIOS Utility 20 Information 21 Main 22 Security 24 Boot 28 Exit 29 BIOS Flash Utility 30 Remove HDD Password 31 Disassembly Requirements 33 Machine Disassembly and Replacement 33 General Information 34 Pre-disassembly Instructions 34 Disassembly Process 34 External Module Disassembly Process 35 External Modules Disassembly Flowchart 35 Removing the Battery Pack 36 Removing the Optical Drive Module 37 Removing the Back Cover 38 Removing the Hard Disk Drive Module 39 Removing the Wireless LAN...
...9 Hardware Specifications and Configurations 11 BIOS Setup Utility 19 System Utilities 19 Navigating the BIOS Utility 20 Information 21 Main 22 Security 24 Boot 28 Exit 29 BIOS Flash Utility 30 Remove HDD Password 31 Disassembly Requirements 33 Machine Disassembly and Replacement 33 General Information 34 Pre-disassembly Instructions 34 Disassembly Process 34 External Module Disassembly Process 35 External Modules Disassembly Flowchart 35 Removing the Battery Pack 36 Removing the Optical Drive Module 37 Removing the Back Cover 38 Removing the Hard Disk Drive Module 39 Removing the Wireless LAN...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... of Error Messages 81 Phoenix BIOS Beep Codes 85 Index of Symptom-to-FRU Error Message 89 Intermittent Problems 92 Undetermined Problems 92 Main Board 93 Connector Locations 93 Clearing Password Check and BIOS Recovery 96 Clearing Password Check 96 BIOS Recovery by Crisis Disk 97 FRU (Field Replaceable Unit) List 99 Exploded Diagram 100 113 Model Definition and Configuration 113 Aspire 4750/4750G Series 114 Test Compatible Components 135 Hardware Device Tests 136 Online Support Information...
... of Error Messages 81 Phoenix BIOS Beep Codes 85 Index of Symptom-to-FRU Error Message 89 Intermittent Problems 92 Undetermined Problems 92 Main Board 93 Connector Locations 93 Clearing Password Check and BIOS Recovery 96 Clearing Password Check 96 BIOS Recovery by Crisis Disk 97 FRU (Field Replaceable Unit) List 99 Exploded Diagram 100 113 Model Definition and Configuration 113 Aspire 4750/4750G Series 114 Test Compatible Components 135 Hardware Device Tests 136 Online Support Information...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... (Configuration may vary by models). Charging: The light shows amber when the battery is active. Battery indicator Indicates the computer's battery status. 1. Your Acer Notebook tour After knowing your computer features, let us show you around your computer. Chapter 1 5 Communication indicator Power indicator Indicates the computer's wireless connectivity device status. Top view 1 8 2 3 4 5 6 # Icon Item 1 Integrated webcam 2 Display screen 3 Power button 7 Description Web camera for video communication (only for certain model). Indicates when the hard...
... (Configuration may vary by models). Charging: The light shows amber when the battery is active. Battery indicator Indicates the computer's battery status. 1. Your Acer Notebook tour After knowing your computer features, let us show you around your computer. Chapter 1 5 Communication indicator Power indicator Indicates the computer's wireless connectivity device status. Top view 1 8 2 3 4 5 6 # Icon Item 1 Integrated webcam 2 Display screen 3 Power button 7 Description Web camera for video communication (only for certain model). Indicates when the hard...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... Sleep mode. + + + + + < > Display toggle Screen blank Touchpad toggle Switches display output between the display screen, external monitor (if connected) and both. # Icon Item Description 7 Click buttons (left and right) The left and right buttons function like screen brightness and volume output. Hotkeys The computer employs hotkeys or key combinations to the next media file. 6 Chapter 1 Press any key to the previous media file. Jump to access most of the computer's controls like the left and right mouse buttons. 8 Microphone Internal microphone...
... Sleep mode. + + + + + < > Display toggle Screen blank Touchpad toggle Switches display output between the display screen, external monitor (if connected) and both. # Icon Item Description 7 Click buttons (left and right) The left and right buttons function like screen brightness and volume output. Hotkeys The computer employs hotkeys or key combinations to the next media file. 6 Chapter 1 Press any key to the previous media file. Jump to access most of the computer's controls like the left and right mouse buttons. 8 Microphone Internal microphone...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... indicator Power indicator Indicates the computer's wireless connectivity device status. Indicates the computer's power status. Connects to an Ethernet 10/100/1000-based network. Connects to a display device (e.g., external monitor, LCD projector). Only one card can operate at any given time. Charging: The light shows amber when the battery is active. Supports high definition digital video connections. Closed front view # Icon 1 2 1 2 Item Multi-in jack Ethernet (RJ-45) port External display (VGA) port HDMI port 34 5 Description Connects to remove/install...
... indicator Power indicator Indicates the computer's wireless connectivity device status. Indicates the computer's power status. Connects to an Ethernet 10/100/1000-based network. Connects to a display device (e.g., external monitor, LCD projector). Only one card can operate at any given time. Charging: The light shows amber when the battery is active. Supports high definition digital video connections. Closed front view # Icon 1 2 1 2 Item Multi-in jack Ethernet (RJ-45) port External display (VGA) port HDMI port 34 5 Description Connects to remove/install...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... to "enabled". However, if you encounter configuration problems, you want to change boot device without entering BIOS Setup Utility, please set to "disabled". Press F2 to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST to enter multi-boot menu. The default parameter of screen). Information Phoenix SecureCore Tiano Setup Main Security Boot Exit CPU Type: CPU Speed: IDE0 Model Name: IDE0 Serial Number: ATAPI Model Name: System BIOS Version: VGA BIOS Version: KBC Version: Serial Number: Asset Tag Number: Product...
... to "enabled". However, if you encounter configuration problems, you want to change boot device without entering BIOS Setup Utility, please set to "disabled". Press F2 to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST to enter multi-boot menu. The default parameter of screen). Information Phoenix SecureCore Tiano Setup Main Security Boot Exit CPU Type: CPU Speed: IDE0 Model Name: IDE0 Serial Number: ATAPI Model Name: System BIOS Version: VGA BIOS Version: KBC Version: Serial Number: Asset Tag Number: Product...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... Tag Aspire 4750 Acer XXXxXxXX-xXxX-XXxx-xXXx-xXXxXXxXxxXX F1 Help Esc Exit Select Item -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10 Save and Exit NOTE: The system information is an identifier standard used in the system. Displays system BIOS version. Chapter 2 21 Parameter CPU Type CPU Speed IDE0 Model Name IDE0 Serial Number ATAPI Model Name System BIOS Version VGA BIOS Version KBC Ver Serial Number...
... Tag Aspire 4750 Acer XXXxXxXX-xXxX-XXxx-xXXx-xXXxXXxXxxXX F1 Help Esc Exit Select Item -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10 Save and Exit NOTE: The system information is an identifier standard used in the system. Displays system BIOS version. Chapter 2 21 Parameter CPU Type CPU Speed IDE0 Model Name IDE0 Serial Number ATAPI Model Name System BIOS Version VGA BIOS Version KBC Ver Serial Number...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... "Enter New Password" field. If desired, you have to return your notebook computer to your password. Removing a Password Follow these steps as you are all requires the Supervisor password for changes and should be grayed out if the user password was used to save the changes and exit the BIOS Setup Utility. Defines whether a password is set the supervisor password. Option Clear or Set Clear or Set Clear or Set Disabled or Enabled NOTE: When you set , this screen. The Set...
... "Enter New Password" field. If desired, you have to return your notebook computer to your password. Removing a Password Follow these steps as you are all requires the Supervisor password for changes and should be grayed out if the user password was used to save the changes and exit the BIOS Setup Utility. Defines whether a password is set the supervisor password. Option Clear or Set Clear or Set Clear or Set Disabled or Enabled NOTE: When you set , this screen. The Set...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... password, the screen will display as following. 1. Press Enter. The password setting is OK, the screen will show you are done, press F10 to highlight the Set Supervisor Password parameter and press the Enter key. Use the up /down keys to save the changes and exit the BIOS Setup Utility. After setting the password, the computer sets the User Password parameter to "Clear". 4. Changing a Password 1. Press Enter twice without typing anything in the Confirm New Password field. 4. Type the current password...
... password, the screen will display as following. 1. Press Enter. The password setting is OK, the screen will show you are done, press F10 to highlight the Set Supervisor Password parameter and press the Enter key. Use the up /down keys to save the changes and exit the BIOS Setup Utility. After setting the password, the computer sets the User Password parameter to "Clear". 4. Changing a Password 1. Press Enter twice without typing anything in the Confirm New Password field. 4. Type the current password...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10 Save and Exit The table below describes the parameters in the BIOS Setup Utility. Exit utility without saving setup data to the parameters in this screen. Information Phoenix SecureCore Tiano Setup Main Security Boot Exit Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit System Setup and save your changes to CMOS. Load default values...
... -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10 Save and Exit The table below describes the parameters in the BIOS Setup Utility. Exit utility without saving setup data to the parameters in this screen. Information Phoenix SecureCore Tiano Setup Main Security Boot Exit Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit System Setup and save your changes to CMOS. Load default values...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... Auxiliary Input Device Check" on page 78. Unlock external keyboard Run "Load Default Settings" in Sequence Reconnect hard disk drive connector. System board RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Replace and run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed FRU/Action in BIOS Setup Utility. RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. Unlock key switch Monitor type does not...
... Auxiliary Input Device Check" on page 78. Unlock external keyboard Run "Load Default Settings" in Sequence Reconnect hard disk drive connector. System board RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Replace and run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed FRU/Action in BIOS Setup Utility. RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. Unlock key switch Monitor type does not...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... vectors POST device initialization Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines...
... vectors POST device initialization Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... and install external RS232 ports Configure non-MCD IDE controllers Detect and install external parallel ports Initialize PC-compatible PnP ISA devices Re-initialize onboard I/O ports Configure Motherboard Configurable Devices (optional) Initialize BIOS Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine number of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear Boot flag Check for option ROMs. One...
... and install external RS232 ports Configure non-MCD IDE controllers Detect and install external parallel ports Initialize PC-compatible PnP ISA devices Re-initialize onboard I/O ports Configure Motherboard Configurable Devices (optional) Initialize BIOS Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine number of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear Boot flag Check for option ROMs. One...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... menu Clear screen (optional) Check virus and backup reminders Try to boot with INT 19 Initialize POST Error Manager (PEM) Initialize error logging Initialize error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set...
... menu Clear screen (optional) Check virus and backup reminders Try to boot with INT 19 Initialize POST Error Manager (PEM) Initialize error logging Initialize error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Reconnect the LCD connectors. Battery pack Power adapter Hard drive & battery connection board System board Chapter 4 89 LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error Indicator incorrectly remains off or on . Keyboard (if contrast and brightness function key doesn't work LCD is...
... Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Reconnect the LCD connectors. Battery pack Power adapter Hard drive & battery connection board System board Chapter 4 89 LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error Indicator incorrectly remains off or on . Keyboard (if contrast and brightness function key doesn't work LCD is...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... power adapter). mode. System board See "Check the Battery Pack" on page 79. Enter BIOS Setup Utility to Disk (S4)" on page 17. LCD cover switch System board 90 Chapter 4 Hold and press the power switch for more than 4 seconds. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Sequence The system will not enter hibernation See "Save to Disk (S4)" on page 17. Touchpad Keyboard Hard disk connection board Hard disk drive System board...
... power adapter). mode. System board See "Check the Battery Pack" on page 79. Enter BIOS Setup Utility to Disk (S4)" on page 17. LCD cover switch System board 90 Chapter 4 Hold and press the power switch for more than 4 seconds. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Sequence The system will not enter hibernation See "Save to Disk (S4)" on page 17. Touchpad Keyboard Hard disk connection board Hard disk drive System board...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... charge battery). Hard disk connection board System board Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. Battery fuel gauge in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 17. Battery pack System board Reconnect hard disk/CD-ROM drives. Action in Sequence See "Save to execute "Load Default Settings", then reboot system. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. Action in Sequence Reconnect the keyboard cable. Touchpad board System...
... charge battery). Hard disk connection board System board Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. Battery fuel gauge in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 17. Battery pack System board Reconnect hard disk/CD-ROM drives. Action in Sequence See "Save to execute "Load Default Settings", then reboot system. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. Action in Sequence Reconnect the keyboard cable. Touchpad board System...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Intermittent Problems Intermittent system hang problems can be considered only when a recurring problem exists. If any FRU. 3. If any problems are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. (See "Power...
... the problem remains, replace the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Intermittent Problems Intermittent system hang problems can be considered only when a recurring problem exists. If any FRU. 3. If any problems are incorrect, whether a short circuit is suspected, or whether the system is operating correctly. (See "Power...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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... until the BIOS POST routine is cleared. Clearing Password Check and BIOS Recovery This section provides the standard operating procedures for clearing the password and BIOS recovery for enabling BIOS Recovery. Clearing Password Check Hardware Open Gap Description Hardware Gap Default Setting Open (Normal) Operation Description Short (Clearing Password Check) HW Gap position on the main board for clearing the password check and one Hotkey for Aspire 4750/4750G Series. Press the power button to enter BIOS Setup menu. • If there is no password request, the BIOS Password is...
... until the BIOS POST routine is cleared. Clearing Password Check and BIOS Recovery This section provides the standard operating procedures for clearing the password and BIOS recovery for enabling BIOS Recovery. Clearing Password Check Hardware Open Gap Description Hardware Gap Default Setting Open (Normal) Operation Description Short (Clearing Password Check) HW Gap position on the main board for clearing the password check and one Hotkey for Aspire 4750/4750G Series. Press the power button to enter BIOS Setup menu. • If there is no password request, the BIOS Password is...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
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...6 C Clearing BIOS Password steps 96 Clearing Password 96 CPU removing 60 CPU Fan True Value Table 11 Crisis Disk creating 97 Crisis Recovery Disk 30 D DIMM module removing 42 display hotkeys 6 E External CD-ROM Drive Check 78 External Module Disassembly Index Flowchart 35 F Flash Utility 30 front view 7 FRU (Field Replaceable Unit) List 99 H Hard disk 13 HDD 13 HDD1 module removing 39 Hibernation mode hotkey 6 hotkeys 6 HW Gap position 96 I Intermittent Problems 92 K Keyboard 16 keyboard hotkeys 6 Keyboard or Auxiliary Input Device Check 78 L LCD bezel removing 65 LCD Brackets removing 70 LCD...
...6 C Clearing BIOS Password steps 96 Clearing Password 96 CPU removing 60 CPU Fan True Value Table 11 Crisis Disk creating 97 Crisis Recovery Disk 30 D DIMM module removing 42 display hotkeys 6 E External CD-ROM Drive Check 78 External Module Disassembly Index Flowchart 35 F Flash Utility 30 front view 7 FRU (Field Replaceable Unit) List 99 H Hard disk 13 HDD 13 HDD1 module removing 39 Hibernation mode hotkey 6 hotkeys 6 HW Gap position 96 I Intermittent Problems 92 K Keyboard 16 keyboard hotkeys 6 Keyboard or Auxiliary Input Device Check 78 L LCD bezel removing 65 LCD Brackets removing 70 LCD...