Acer Aspire E1-421 Notebook Service Guide
Page 3
... messages) are shown in italics. iii Variables contained within user input are shown in constant width bold. Example: At the prompt, type run -m Keyboard keys are used in this manual: ! WARNING: Indicates a potential for the proper completion of a procedure, choice of data or damage to equipment. + IMPORTANT: Indicates information...
... messages) are shown in italics. iii Variables contained within user input are shown in constant width bold. Example: At the prompt, type run -m Keyboard keys are used in this manual: ! WARNING: Indicates a potential for the proper completion of a procedure, choice of data or damage to equipment. + IMPORTANT: Indicates information...
Acer Aspire E1-421 Notebook Service Guide
Page 5
...and Control 1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables 1-23 Computer specifications 1-23 System Board Major Chips 1-24 Processor 1-24 ...24 CPU Fan True Value Table 1-25 System Memory 1-25 Memory Combinations 1-25 Video Interface 1-26 BIOS 1-26 Keyboard 1-26 Battery 1-27 AC Adapter 1-27 Hard Disk Drive (AVL components 1-28 Hard Disk Drive (AVL components) (Continued 1-29 v
...and Control 1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables 1-23 Computer specifications 1-23 System Board Major Chips 1-24 Processor 1-24 ...24 CPU Fan True Value Table 1-25 System Memory 1-25 Memory Combinations 1-25 Video Interface 1-26 BIOS 1-26 Keyboard 1-26 Battery 1-27 AC Adapter 1-27 Hard Disk Drive (AVL components 1-28 Hard Disk Drive (AVL components) (Continued 1-29 v
Acer Aspire E1-421 Notebook Service Guide
Page 7
... Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Dummy Card Removal 3-9 Battery Pack Removal 3-10 ODD (Optical Disk Drive) Module Removal 3-11 Keyboard Removal 3-13 Base Door Removal 3-14 WLAN (Wireless Local Area Network) Module Removal . . . 3-15 DIMM (Dual In-line Memory Module) Module Removal . . . 3-17 HDD (Hard...
... Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Dummy Card Removal 3-9 Battery Pack Removal 3-10 ODD (Optical Disk Drive) Module Removal 3-11 Keyboard Removal 3-13 Base Door Removal 3-14 WLAN (Wireless Local Area Network) Module Removal . . . 3-15 DIMM (Dual In-line Memory Module) Module Removal . . . 3-17 HDD (Hard...
Acer Aspire E1-421 Notebook Service Guide
Page 8
... the DIMM (Dual In-line Memory Module) Module3-69 Replacing the WLAN (Wireless Local Area Network) Module3-70 Replacing the Base Door 3-71 Replacing the Keyboard 3-72 Replacing the ODD (Optical Disk Drive) Module 3-74 Replacing the Battery Pack 3-76 Replacing the Dummy Card 3-77 CHAPTER 4 Troubleshooting viii
... the DIMM (Dual In-line Memory Module) Module3-69 Replacing the WLAN (Wireless Local Area Network) Module3-70 Replacing the Base Door 3-71 Replacing the Keyboard 3-72 Replacing the ODD (Optical Disk Drive) Module 3-74 Replacing the Battery Pack 3-76 Replacing the Dummy Card 3-77 CHAPTER 4 Troubleshooting viii
Acer Aspire E1-421 Notebook Service Guide
Page 9
Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-7 Internal Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Internal Microphone Failure 4-12 USB Failure 4-13 Other Functions Failure 4-14 Intermittent Problems 4-15 ... Recovery by Crisis Disk 5-7 CHAPTER 6 FRU (Field Replaceable Unit) List Exploded Diagrams 6-4 FRU List 6-8 Screw List 6-17 CHAPTER 7 Model Definition and Configuration Acer Aspire E1-421 7-3 CHAPTER 8 Test Compatible Components Microsoft® Windows® 7 Environment Test 8-4 ix
Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-7 Internal Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Internal Microphone Failure 4-12 USB Failure 4-13 Other Functions Failure 4-14 Intermittent Problems 4-15 ... Recovery by Crisis Disk 5-7 CHAPTER 6 FRU (Field Replaceable Unit) List Exploded Diagrams 6-4 FRU List 6-8 Screw List 6-17 CHAPTER 7 Model Definition and Configuration Acer Aspire E1-421 7-3 CHAPTER 8 Test Compatible Components Microsoft® Windows® 7 Environment Test 8-4 ix
Acer Aspire E1-421 Notebook Service Guide
Page 12
...1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables 1-23 Computer specifications 1-23 System Board Major Chips 1-24 Processor...Processor Specifications 1-24 CPU Fan True Value Table 1-25 System Memory 1-25 Memory Combinations 1-25 Video Interface 1-26 BIOS 1-26 Keyboard 1-26 Battery 1-27 AC Adapter 1-27 Hard Disk Drive (AVL components 1-28 Hard Disk Drive (AVL components) (Continued 1-...
...1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables 1-23 Computer specifications 1-23 System Board Major Chips 1-24 Processor...Processor Specifications 1-24 CPU Fan True Value Table 1-25 System Memory 1-25 Memory Combinations 1-25 Video Interface 1-26 BIOS 1-26 Keyboard 1-26 Battery 1-27 AC Adapter 1-27 Hard Disk Drive (AVL components 1-28 Hard Disk Drive (AVL components) (Continued 1-...
Acer Aspire E1-421 Notebook Service Guide
Page 18
...Keyboard 86-/87-/91-key Acer FineTip keyboard with International Language support Support Application keys for Windows Vista/Windows 7 Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media Keys Media control keys (printed on keyboard...45) port DC-in jack for AC adapter Software 0 Productivity Acer Backup Manager Acer ePower Management Acer eRecovery Management Adobe® Flash® Player 10.x/11.x ...
...Keyboard 86-/87-/91-key Acer FineTip keyboard with International Language support Support Application keys for Windows Vista/Windows 7 Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media Keys Media control keys (printed on keyboard...45) port DC-in jack for AC adapter Software 0 Productivity Acer Backup Manager Acer ePower Management Acer eRecovery Management Adobe® Flash® Player 10.x/11.x ...
Acer Aspire E1-421 Notebook Service Guide
Page 21
... and Configurations 1-11 Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). 3 Power button Turns the computer on and off. 4 Keyboard For entering data into your computer 5 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 6 Click button The left and right buttons function like...
... and Configurations 1-11 Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). 3 Power button Turns the computer on and off. 4 Keyboard For entering data into your computer 5 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 6 Click button The left and right buttons function like...
Acer Aspire E1-421 Notebook Service Guide
Page 28
...arrow keys are not printed on the upper right corner of numeric data entry. Keyboard Lock Keys Lock Keys 0 The keyboard has three lock keys which can be to -full-sized keyboard and an embedded numeric keypad, separate cursor, lock, function and special keys. When... . normal manner. 1-18 Hardware Specifications and Configurations Use this mode when doing a lot of the key caps. To simplify the keyboard legend, cursor-control key symbols are pressed respectively. Hold while using cursor-control keys. Embedded Numeric Keypad The embedded numeric keypad functions ...
...arrow keys are not printed on the upper right corner of numeric data entry. Keyboard Lock Keys Lock Keys 0 The keyboard has three lock keys which can be to -full-sized keyboard and an embedded numeric keypad, separate cursor, lock, function and special keys. When... . normal manner. 1-18 Hardware Specifications and Configurations Use this mode when doing a lot of the key caps. To simplify the keyboard legend, cursor-control key symbols are pressed respectively. Hold while using cursor-control keys. Embedded Numeric Keypad The embedded numeric keypad functions ...
Acer Aspire E1-421 Notebook Service Guide
Page 29
... to move focus to items on the Quick Launch toolbar and the system tray) < > + : Cycle through programs on the Windows Start button; Windows Keys 0 The keyboard has two keys that perform Windows-specific functions. Windows Logo key Application key Key Windows Logo key Application key Description Pressed...
... to move focus to items on the Quick Launch toolbar and the system tray) < > + : Cycle through programs on the Windows Start button; Windows Keys 0 The keyboard has two keys that perform Windows-specific functions. Windows Logo key Application key Key Windows Logo key Application key Description Pressed...
Acer Aspire E1-421 Notebook Service Guide
Page 30
...) and both. Turns the display screen backlight off . + + Brightness up Brightness down Increases the screen brightness. Decreases the screen brightness. 1-20 Hardware Specifications and Configurations Keyboard Hotkeys To activate hotkeys, press and hold the key before pressing the other key in Sleep mode. Turns the internal touchpad on and off. + Speaker...
...) and both. Turns the display screen backlight off . + + Brightness up Brightness down Increases the screen brightness. Decreases the screen brightness. 1-20 Hardware Specifications and Configurations Keyboard Hotkeys To activate hotkeys, press and hold the key before pressing the other key in Sleep mode. Turns the internal touchpad on and off. + Speaker...
Acer Aspire E1-421 Notebook Service Guide
Page 36
...Compatibility Sampling rate BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification ATI Zacate UMA UMA Fully compliant with the electrical specifications of ANSI...Memory Insyde code base boot block non-shadow RAM support uEFI Specification Acer TM4T_A11B keyboard 86-US/87-UK/91-JP key Yes Plug USB keyboard to the USB port directly: Yes Phantom key auto detect Overlay numeric keypad ...
...Compatibility Sampling rate BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification ATI Zacate UMA UMA Fully compliant with the electrical specifications of ANSI...Memory Insyde code base boot block non-shadow RAM support uEFI Specification Acer TM4T_A11B keyboard 86-US/87-UK/91-JP key Yes Plug USB keyboard to the USB port directly: Yes Phantom key auto detect Overlay numeric keypad ...
Acer Aspire E1-421 Notebook Service Guide
Page 53
... IRQ92 IRQ93 IRQ94 IRQ95 IRQ96 IRQ97 IRQ98 IRQ99 IRQ100 IRQ101 IRQ102 IRQ103 IRQ104 IRQ105 IRQ106 IRQ107 IRQ108 System Function High precision event timer Standard PS/2 Keyboard High precision event timer Synaptics PS/2 Port TouchPad Numeric data processor Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI...
... IRQ92 IRQ93 IRQ94 IRQ95 IRQ96 IRQ97 IRQ98 IRQ99 IRQ100 IRQ101 IRQ102 IRQ103 IRQ104 IRQ105 IRQ106 IRQ107 IRQ108 System Function High precision event timer Standard PS/2 Keyboard High precision event timer Synaptics PS/2 Port TouchPad Numeric data processor Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI...
Acer Aspire E1-421 Notebook Service Guide
Page 77
Figure 2-19. When message Clear the SU Pws completely is displayed, supervisor password has been removed. Press [ key before Acer logo disappears (Figure 2-18). Figure 2-18. Select Boot Option item ' USB HDD' as hightlighted in Figure 2-19 and press Enter to Figure 2-21 5. Press Power ... the DOS mode. Removing Insyde BIOS Passwords 0 The BIOS password can only be removed by software utility. To reset the BIOS password, perform the following: 1. Keyboard Key Location 3.
Figure 2-19. When message Clear the SU Pws completely is displayed, supervisor password has been removed. Press [ key before Acer logo disappears (Figure 2-18). Figure 2-18. Select Boot Option item ' USB HDD' as hightlighted in Figure 2-19 and press Enter to Figure 2-21 5. Press Power ... the DOS mode. Removing Insyde BIOS Passwords 0 The BIOS password can only be removed by software utility. To reset the BIOS password, perform the following: 1. Keyboard Key Location 3.
Acer Aspire E1-421 Notebook Service Guide
Page 88
... Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Dummy Card Removal 3-9 Battery Pack Removal 3-10 ODD (Optical Disk Drive) Module Removal 3-11 Keyboard Removal 3-13 Base Door Removal 3-14 WLAN (Wireless Local Area Network) Module Removal . . . .3-15 DIMM (Dual In-line Memory Module) Module Removal . . . .3-17 HDD (Hard...
... Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Dummy Card Removal 3-9 Battery Pack Removal 3-10 ODD (Optical Disk Drive) Module Removal 3-11 Keyboard Removal 3-13 Base Door Removal 3-14 WLAN (Wireless Local Area Network) Module Removal . . . .3-15 DIMM (Dual In-line Memory Module) Module Removal . . . .3-17 HDD (Hard...
Acer Aspire E1-421 Notebook Service Guide
Page 89
... the DIMM (Dual In-line Memory Module) Module3-69 Replacing the WLAN (Wireless Local Area Network) Module3-70 Replacing the Base Door 3-71 Replacing the Keyboard 3-72 Replacing the ODD (Optical Disk Drive) Module 3-74 Replacing the Battery Pack 3-76 Replacing the Dummy Card 3-77 3-3
... the DIMM (Dual In-line Memory Module) Module3-69 Replacing the WLAN (Wireless Local Area Network) Module3-70 Replacing the Base Door 3-71 Replacing the Keyboard 3-72 Replacing the ODD (Optical Disk Drive) Module 3-74 Replacing the Battery Pack 3-76 Replacing the Dummy Card 3-77 3-3
Acer Aspire E1-421 Notebook Service Guide
Page 93
Table 3-1. Observe the order of the sequence to avoid damage to any of the hardware components. For example, when removing the mainboard, remove first the keyboard, and the LCD module then disassemble the inside assembly frame in the succeeding disasembly sections illustrate the entire disassembly sequence. Disassembly Process 0 The disassembly process ... 86.A08V7.004 M2.5*4 15 86.A08V7.014 M2*3 12 86.SA107.001 M2*2 4 86.W4107.002 Machine Maintenance Procedures 3-7 Main Screw List Size Quantity Acer Part No.
Table 3-1. Observe the order of the sequence to avoid damage to any of the hardware components. For example, when removing the mainboard, remove first the keyboard, and the LCD module then disassemble the inside assembly frame in the succeeding disasembly sections illustrate the entire disassembly sequence. Disassembly Process 0 The disassembly process ... 86.A08V7.004 M2.5*4 15 86.A08V7.014 M2*3 12 86.SA107.001 M2*2 4 86.W4107.002 Machine Maintenance Procedures 3-7 Main Screw List Size Quantity Acer Part No.
Acer Aspire E1-421 Notebook Service Guide
Page 94
Screw List Step ODD Module Removal ODD Bracket Removal Base Door Removal WLAN Module Removal HDD Module Removal Size M2.5*6 M2*3 M2.5*6 M2*3 M3.0*3.5 Ni Quantity 1 2 4 1 4 Acer Part No. 86.A08V7.004 86.SA107.001 86.A08V7.004 86.SA107.001 86.WFB07.001 3-8 Machine Maintenance Procedures External Module Disassembly Flowchart Table 3-2. External Module Disassembly Process 0 External Modules Disassembly Flowchart 0 SD Dummy Card Battery ODD Module Keyboard Base Door WLAN Module DIMM Module HDD Module Figure 3-2.
Screw List Step ODD Module Removal ODD Bracket Removal Base Door Removal WLAN Module Removal HDD Module Removal Size M2.5*6 M2*3 M2.5*6 M2*3 M3.0*3.5 Ni Quantity 1 2 4 1 4 Acer Part No. 86.A08V7.004 86.SA107.001 86.A08V7.004 86.SA107.001 86.WFB07.001 3-8 Machine Maintenance Procedures External Module Disassembly Flowchart Table 3-2. External Module Disassembly Process 0 External Modules Disassembly Flowchart 0 SD Dummy Card Battery ODD Module Keyboard Base Door WLAN Module DIMM Module HDD Module Figure 3-2.
Acer Aspire E1-421 Notebook Service Guide
Page 99
...) can be damaged if removed while mainboard connector is face down on the five (5) locking latches until the keyboard disengages and separates from the system (Figure 3-8). Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Figure 3-8. Remove the keyboard (C) from mainboard connector (B) (Figure 3-9). B A C Figure 3-9. Keyboard Latches 2. Keyboard FPC 4. Disconnect keyboard FPC (A) from base assembly (Figure 3-9). ! Machine Maintenance Procedures 3-13
...) can be damaged if removed while mainboard connector is face down on the five (5) locking latches until the keyboard disengages and separates from the system (Figure 3-8). Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Figure 3-8. Remove the keyboard (C) from mainboard connector (B) (Figure 3-9). B A C Figure 3-9. Keyboard Latches 2. Keyboard FPC 4. Disconnect keyboard FPC (A) from base assembly (Figure 3-9). ! Machine Maintenance Procedures 3-13
Acer Aspire E1-421 Notebook Service Guide
Page 107
Touchpad FPC Machine Maintenance Procedures 3-21 Upper Case Screw Location 2. Remove two (2) screws (C) securing the upper case in place (Figure 3-19). Disconnect touchpad FPC (A) from the base assembly (Figure 3-18). Upper Case Removal 0 Prerequisite: Keyboard Removal and Base Door Removal 1. Remove eighteen (18) screws from mainboard connector (B) (Figure 3-19). 3. Figure 3-18. C C B A Figure 3-19.
Touchpad FPC Machine Maintenance Procedures 3-21 Upper Case Screw Location 2. Remove two (2) screws (C) securing the upper case in place (Figure 3-19). Disconnect touchpad FPC (A) from the base assembly (Figure 3-18). Upper Case Removal 0 Prerequisite: Keyboard Removal and Base Door Removal 1. Remove eighteen (18) screws from mainboard connector (B) (Figure 3-19). 3. Figure 3-18. C C B A Figure 3-19.