Quick Start Guide
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...computer. 6 Touchpad Touch-sensitive pointing device which functions like the and right) left and right buttons function like a computer mouse. 7 Power1 Indicates the computer's power status. English 5 # Icon 3 Item HDD Description Indicates when the hard disk drive is charging. 2. Charging: The light shows amber when the battery is...the computer cover is closed up. Battery1 Indicates the computer's battery status. 1. Communication indicator Indicates the computer's wireless connectivity device status. 4 Power button Turns the computer on the model purchased.
...computer. 6 Touchpad Touch-sensitive pointing device which functions like the and right) left and right buttons function like a computer mouse. 7 Power1 Indicates the computer's power status. English 5 # Icon 3 Item HDD Description Indicates when the hard disk drive is charging. 2. Charging: The light shows amber when the battery is...the computer cover is closed up. Battery1 Indicates the computer's battery status. 1. Communication indicator Indicates the computer's wireless connectivity device status. 4 Power button Turns the computer on the model purchased.
Quick Start Guide
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... Touchpad toggle Speaker toggle Switches display output between the display screen, external monitor (if connected) and both. Turns the speakers on and off to save power. Hotkey + + Icon Function Description Communication Enables / disables the computer's key communication devices. (Communication devices may vary by configuration.) Sleep Puts the computer in the hotkey...
... Touchpad toggle Speaker toggle Switches display output between the display screen, external monitor (if connected) and both. Turns the speakers on and off to save power. Hotkey + + Icon Function Description Communication Enables / disables the computer's key communication devices. (Communication devices may vary by configuration.) Sleep Puts the computer in the hotkey...
Service Guide
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Table of Contents System Specifications 1 Features 1 System Block Diagram 5 Your Acer Notebook tour 6 Front View 6 Closed Front View 7 Left View 7 Right View 8 Bottom View 9 ...Keys 13 Hardware Specifications and Configurations 14 System Utilities 25 BIOS Setup Utility 25 Navigating the BIOS Utility 25 Aspire 5251/5551G/5551 BIOS 26 Information 26 Main 27 Security 28 Boot 31 Exit 32 BIOS Flash Utilities 33 DOS... Left Speaker Module 65 Removing the Right Speaker Module 67 Removing the Power Board 69 Removing the TouchPad Bracket 70 Removing the Card Reader Board 72 VII
Table of Contents System Specifications 1 Features 1 System Block Diagram 5 Your Acer Notebook tour 6 Front View 6 Closed Front View 7 Left View 7 Right View 8 Bottom View 9 ...Keys 13 Hardware Specifications and Configurations 14 System Utilities 25 BIOS Setup Utility 25 Navigating the BIOS Utility 25 Aspire 5251/5551G/5551 BIOS 26 Information 26 Main 27 Security 28 Boot 31 Exit 32 BIOS Flash Utilities 33 DOS... Left Speaker Module 65 Removing the Right Speaker Module 67 Removing the Power Board 69 Removing the TouchPad Bracket 70 Removing the Card Reader Board 72 VII
Service Guide
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... Replacing the Bluetooth Board 115 Replacing the USB Board 116 Replacing the Card Reader Board 118 Replacing the TouchPad Bracket 119 Replacing the Power Board 121 Replacing the Right Speaker Module 122 Replacing the Left Speaker Module 123 Replacing the Upper Cover 124 Replacing the Keyboard 127 ... Lower Door 132 Replacing the ODD Module 133 Replacing the SD Dummy Card 134 Replacing the Battery 135 Troubleshooting 137 Common Problems 137 Power On Issue 138 No Display Issue 139 Random Loss of BIOS Settings 140 LCD Failure 141 Built-In Keyboard Failure 141 TouchPad Failure ...
... Replacing the Bluetooth Board 115 Replacing the USB Board 116 Replacing the Card Reader Board 118 Replacing the TouchPad Bracket 119 Replacing the Power Board 121 Replacing the Right Speaker Module 122 Replacing the Left Speaker Module 123 Replacing the Upper Cover 124 Replacing the Keyboard 127 ... Lower Door 132 Replacing the ODD Module 133 Replacing the SD Dummy Card 134 Replacing the Battery 135 Troubleshooting 137 Common Problems 137 Power On Issue 138 No Display Issue 139 Random Loss of BIOS Settings 140 LCD Failure 141 Built-In Keyboard Failure 141 TouchPad Failure ...
Service Guide
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...View 156 USB/B Board 157 Power Board 157 CR/B Board 158 Clearing Password Check and BIOS Recovery 159 Clearing Password Check 159 Clear CMOS Jumper 159 BIOS Recovery by Crisis Disk 160 FRU (Field Replaceable Unit) List 161 Aspire 5251/5551G/5551 Exploded Diagrams 162... Main Assembly 162 Base Assembly 163 LED Assembly 164 Aspire 5251/5551G/5551 FRU List 165 Screw List 166 Model Definition and Configuration 168 Aspire 5251 168 Aspire 5551G 170 Aspire 5551 179 Test Compatible Components 187 ...
...View 156 USB/B Board 157 Power Board 157 CR/B Board 158 Clearing Password Check and BIOS Recovery 159 Clearing Password Check 159 Clear CMOS Jumper 159 BIOS Recovery by Crisis Disk 160 FRU (Field Replaceable Unit) List 161 Aspire 5251/5551G/5551 Exploded Diagrams 162... Main Assembly 162 Base Assembly 163 LED Assembly 164 Aspire 5251/5551G/5551 FRU List 165 Screw List 166 Model Definition and Configuration 168 Aspire 5251 168 Aspire 5551G 170 Aspire 5551 179 Test Compatible Components 187 ...
Service Guide
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... DVD+RW, 5X DVD-RAM Communication • Acer Video Conference, featuring: • Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution • WLAN: • Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™ • Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™... 381 (W) x 253 (D) x 25/34 (H) mm (15 x 9.9 x 0.98/1.3 inches)2.6 kg (5.74 lbs.)10 with 6-cell battery pack Power subsystem • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 3-pin 65 W AC adapter: • 108 (W) x 46 (D) x 29.5 (H) mm (4.25 x 1.81 x ...
... DVD+RW, 5X DVD-RAM Communication • Acer Video Conference, featuring: • Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution • WLAN: • Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™ • Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™... 381 (W) x 253 (D) x 25/34 (H) mm (15 x 9.9 x 0.98/1.3 inches)2.6 kg (5.74 lbs.)10 with 6-cell battery pack Power subsystem • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 3-pin 65 W AC adapter: • 108 (W) x 46 (D) x 29.5 (H) mm (4.25 x 1.81 x ...
Service Guide
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Keyboard TouchPad For entering data into your computer. Also called Liquid-Crystal Display (LCD), displays computer output. Communication indicator Power button Indicates the computer's wireless connectivitoy device status. Touch-sensitive pointing device which functions like a computer mouse. 6 Chapter 1 Turns the computer on and off. Indicates when the hard disk drive is active. Your Acer Notebook tour Front View No. 1 2 3 4 5 6 Icon Item Acer Crystal Eye webcam Display screen HDD Description Web camera for video communication (for selected models).
Keyboard TouchPad For entering data into your computer. Also called Liquid-Crystal Display (LCD), displays computer output. Communication indicator Power button Indicates the computer's wireless connectivitoy device status. Touch-sensitive pointing device which functions like a computer mouse. 6 Chapter 1 Turns the computer on and off. Indicates when the hard disk drive is active. Your Acer Notebook tour Front View No. 1 2 3 4 5 6 Icon Item Acer Crystal Eye webcam Display screen HDD Description Web camera for video communication (for selected models).
Service Guide
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No. 7 8 9 10 11 Icon Item Power1 Description Indicates the computer's power status. NOTE: Push to an Ethernet 10/100/1000-based network. Comfortable support area for recording sound. Internal microphone for your hands when you use . ...
No. 7 8 9 10 11 Icon Item Power1 Description Indicates the computer's power status. NOTE: Push to an Ethernet 10/100/1000-based network. Comfortable support area for recording sound. Internal microphone for your hands when you use . ...
Service Guide
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...). Houses the computer's main memory. Note: Do not cover or obstruct the fan opening. Communication indicator Indicates the computer's wireless connectivitoy device status. Icon Function Power Description Indicates the computer's power status. Fully charged: The light shows green when in position. 6 Ventilation slots Enable the computer to -read status indicators.
...). Houses the computer's main memory. Note: Do not cover or obstruct the fan opening. Communication indicator Indicates the computer's wireless connectivitoy device status. Icon Function Power Description Indicates the computer's power status. Fully charged: The light shows green when in position. 6 Ventilation slots Enable the computer to -read status indicators.
Service Guide
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... (if connected) and both. Play or pause a selected media file. Stop playing the selected media file. Turns the internal touchpad on and off to save power. Press any key to the next media file. Hot Keys The computer employs hotkeys or key combinations to the previous media file. To activate hot...
... (if connected) and both. Play or pause a selected media file. Stop playing the selected media file. Turns the internal touchpad on and off to save power. Press any key to the next media file. Hot Keys The computer employs hotkeys or key combinations to the previous media file. To activate hot...
Service Guide
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... smaller EEPROM size with ability to use on-chip memory • Supports iSCSI boott • PCI Express CLKREQ support • Integrated switching regulator for improved power consumption • IPv4 and IPv6 large send offload and checksum offload(LSO/TCO) Specification • Foxconn Wireless LAN Atheros HB93 2x2 BGN (HM) • QMI...
... smaller EEPROM size with ability to use on-chip memory • Supports iSCSI boott • PCI Express CLKREQ support • Integrated switching regulator for improved power consumption • IPv4 and IPv6 large send offload and checksum offload(LSO/TCO) Specification • Foxconn Wireless LAN Atheros HB93 2x2 BGN (HM) • QMI...
Service Guide
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... devices in the system are turned off completely. CPU set power down VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode Also called Hibernate state. Power and Keyboard Controller Item Specification Controller Total number of keypads Windows... (MB) 160, 250, 320, 500 Bytes per sector Data heads Drive Format Disks Spindle speed (RPM) Performance Specifications Buffer size Interface DC Power Requirements Voltage tolerance HGST 160, 250, 320, 500 Specification Toshiba 160, 250, 320, 500 512 2-4 Western Digital 160, 250, 320, 500...
... devices in the system are turned off completely. CPU set power down VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode Also called Hibernate state. Power and Keyboard Controller Item Specification Controller Total number of keypads Windows... (MB) 160, 250, 320, 500 Bytes per sector Data heads Drive Format Disks Spindle speed (RPM) Performance Specifications Buffer size Interface DC Power Requirements Voltage tolerance HGST 160, 250, 320, 500 Specification Toshiba 160, 250, 320, 500 512 2-4 Western Digital 160, 250, 320, 500...
Service Guide
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...-1, CD-ROM/XA Mode-2 Form-1 and Mode-2 Form-2, CD-i, VideoCD, CD-Text Loading mechanism Drawer (Solenoid Open) Tact SW (Open) Emergency Release (draw open hole) Power Requirement Input Voltage DC 5 V +/- 5% Chapter 1 19
...-1, CD-ROM/XA Mode-2 Form-1 and Mode-2 Form-2, CD-i, VideoCD, CD-Text Loading mechanism Drawer (Solenoid Open) Tact SW (Open) Emergency Release (draw open hole) Power Requirement Input Voltage DC 5 V +/- 5% Chapter 1 19
Service Guide
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... 5-in-1 card reader • Push-push type, with dummy card • Built-in 250mA Power MOS for memory card • Over Current Protection and Over Temperature Protection • Power saving • Power Down when no memory card is inserted • Power Idle (Selective Suspend) • USB2.0 Interface • Support both High-Speed (480 Mbps...
... 5-in-1 card reader • Push-push type, with dummy card • Built-in 250mA Power MOS for memory card • Over Current Protection and Over Temperature Protection • Power saving • Power Down when no memory card is inserted • Power Idle (Selective Suspend) • USB2.0 Interface • Support both High-Speed (480 Mbps...
Service Guide
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... digital BEEP generator • Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors • Supports EAPD (External Amplifier Power Down) control for external amplifier • 48-pin LQFP 'Green' package • WaveRT-based audio function driver for Windows Vista • EAX™ 1.0 & 2.0 compatible •... (AEC), Noise Suppression (NS), and Beam Forming(BF)technology for voice application • Smart multiple streaming operation • HDMI audio driver for AMD platform • Acer exclusive software features Chapter 1 23
... digital BEEP generator • Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors • Supports EAPD (External Amplifier Power Down) control for external amplifier • 48-pin LQFP 'Green' package • WaveRT-based audio function driver for Windows Vista • EAX™ 1.0 & 2.0 compatible •... (AEC), Noise Suppression (NS), and Beam Forming(BF)technology for voice application • Smart multiple streaming operation • HDMI audio driver for AMD platform • Acer exclusive software features Chapter 1 23
Service Guide
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... Parameter Supervisor Password Is User Password Is SATA Port 0 Disk Status Set Supervisor Password Set User Password Set SATA Port 0 HDD Password Power on Password [Disabled] F1 Help ESC Exit Select Item F5/F6 Change Values F9 Setup Default Select Menu Enter Select SubMenu F10 Save and...HDD Password. Security The Security screen contains parameters that help safeguard and protect your dealer to reset it will not continue to boot. Power on Password Description Shows the setting of the supervisor password Shows the setting of password must be greater than one word. Press Enter ...
... Parameter Supervisor Password Is User Password Is SATA Port 0 Disk Status Set Supervisor Password Set User Password Set SATA Port 0 HDD Password Power on Password [Disabled] F1 Help ESC Exit Select Item F5/F6 Change Values F9 Setup Default Select Menu Enter Select SubMenu F10 Save and...HDD Password. Security The Security screen contains parameters that help safeguard and protect your dealer to reset it will not continue to boot. Power on Password Description Shows the setting of the supervisor password Shows the setting of password must be greater than one word. Press Enter ...
Service Guide
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... Password box appears: Set Supervisor Password Enter Current Password [ ] Enter New Password [ ] Confirm New Password [ ] 2. After all changes are done, press F10 to enable the Power on the screen. 3. Use the ↑ and ↓ keys to "Set". 4. The Set Supervisor Password box appears: Set Supervisor Password Enter New Password [ ] Confirm New...
... Password box appears: Set Supervisor Password Enter Current Password [ ] Enter New Password [ ] Confirm New Password [ ] 2. After all changes are done, press F10 to enable the Power on the screen. 3. Use the ↑ and ↓ keys to "Set". 4. The Set Supervisor Password box appears: Set Supervisor Password Enter New Password [ ] Confirm New...
Service Guide
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..., the screen will show you the Setup Warning. Set Supervisor Password Enter Current Password [ ] Enter New Password [ ] Confirm New Password [ ] 2. When you can enable the Power on Password parameter. 6. Setup Notice Changes have been saved. [Continue] The password setting is OK, the screen will display as following message. Changing a Password 1. Setup...
..., the screen will show you the Setup Warning. Set Supervisor Password Enter Current Password [ ] Enter New Password [ ] Confirm New Password [ ] 2. When you can enable the Power on Password parameter. 6. Setup Notice Changes have been saved. [Continue] The password setting is OK, the screen will display as following message. Changing a Password 1. Setup...
Service Guide
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... flash memory update is not completely loaded. Then boot the system from the bootable diskette. Chapter 2 33 If the battery pack does not contain enough power to the bootable diskette. 3. Prepare a bootable diskette. 2. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the ...Flash. Copy the Flash utilities to finish BIOS Flash, you run the Flash. 1. NOTE: Please use the AC adaptor power supply when you may not boot the system because the BIOS is required for the following conditions: • New versions of system programs •...
... flash memory update is not completely loaded. Then boot the system from the bootable diskette. Chapter 2 33 If the battery pack does not contain enough power to the bootable diskette. 3. Prepare a bootable diskette. 2. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the ...Flash. Copy the Flash utilities to finish BIOS Flash, you run the Flash. 1. NOTE: Please use the AC adaptor power supply when you may not boot the system because the BIOS is required for the following conditions: • New versions of system programs •...
Service Guide
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4. Plug in the AC power to continue. 5. In flash BIOS, the message Please do not remove AC Power Source displays. NOTE: If the AC power is complete when the message Flash programming complete displays. Flash is not connected, the following message displays. Chapter 2 35
4. Plug in the AC power to continue. 5. In flash BIOS, the message Please do not remove AC Power Source displays. NOTE: If the AC power is complete when the message Flash programming complete displays. Flash is not connected, the following message displays. Chapter 2 35
