Acer Aspire 4250 Notebook Service Manual
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... shown in italics. Example: After entering data, press Enter. Conventions The following typographical conventions are used in angle brackets (< >). Example: At the prompt, type run -m Keyboard keys are shown in bold italics. Example: the DRS5 User's Guide /usr/local/bin/fd the /TPH15spool_M program Computer output (text that represents information displayed...
... shown in italics. Example: After entering data, press Enter. Conventions The following typographical conventions are used in angle brackets (< >). Example: At the prompt, type run -m Keyboard keys are shown in bold italics. Example: the DRS5 User's Guide /usr/local/bin/fd the /TPH15spool_M program Computer output (text that represents information displayed...
Acer Aspire 4250 Notebook Service Manual
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...Special Keys and Controls 1-8 I/O Ports 1-8 Optional Items 1-8 Warranty 1-8 Environment 1-8 Software 1-9 Notebook Tour 1-10 Touchpad Basics 1-18 Using the Keyboard 1-19 Windows Keys 1-20 Hotkeys 1-21 Specification Tables 1-24 Computer specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table ... Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive (AVL components) (Continued 1-30 Super-Multi Drive 1-31 Super...
...Special Keys and Controls 1-8 I/O Ports 1-8 Optional Items 1-8 Warranty 1-8 Environment 1-8 Software 1-9 Notebook Tour 1-10 Touchpad Basics 1-18 Using the Keyboard 1-19 Windows Keys 1-20 Hotkeys 1-21 Specification Tables 1-24 Computer specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table ... Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive (AVL components) (Continued 1-30 Super-Multi Drive 1-31 Super...
Acer Aspire 4250 Notebook Service Manual
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... 3 Machine Maintenance Procedures Introduction 3-5 General Information 3-5 Recommended Equipment 3-5 Maintenance Flowchart 3-6 Getting Started 3-7 Battery Pack Removal 3-8 Battery Pack Installation 3-8 Dummy Card Removal 3-9 Dummy Card Installation 3-9 Keyboard Removal 3-10 Keyboard Installation 3-11 Base Assembly Removal 3-12 Base Assembly Installation 3-13 ODD (Optical Disk Drive) Module Removal 3-14 ODD Module Installation 3-15 USB Module Removal...
... 3 Machine Maintenance Procedures Introduction 3-5 General Information 3-5 Recommended Equipment 3-5 Maintenance Flowchart 3-6 Getting Started 3-7 Battery Pack Removal 3-8 Battery Pack Installation 3-8 Dummy Card Removal 3-9 Dummy Card Installation 3-9 Keyboard Removal 3-10 Keyboard Installation 3-11 Base Assembly Removal 3-12 Base Assembly Installation 3-13 ODD (Optical Disk Drive) Module Removal 3-14 ODD Module Installation 3-15 USB Module Removal...
Acer Aspire 4250 Notebook Service Manual
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... Installation 3-42 LVDS Cable Removal 3-43 LVDS Cable Installation 3-44 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone Failure 4-13 USB Failure 4-14 Other Functions Failure 4-15 Intermittent Problems 4-16 Undetermined Problems 4-16...
... Installation 3-42 LVDS Cable Removal 3-43 LVDS Cable Installation 3-44 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone Failure 4-13 USB Failure 4-14 Other Functions Failure 4-15 Intermittent Problems 4-16 Undetermined Problems 4-16...
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...Special Keys and Controls 1-8 I/O Ports 1-8 Optional Items 1-8 Warranty 1-8 Environment 1-8 Software 1-9 Notebook Tour 1-10 Touchpad Basics 1-18 Using the Keyboard 1-19 Windows Keys 1-20 Hotkeys 1-21 Specification Tables 1-24 Computer specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table ... Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive (AVL components) (Continued 1-30 Super-Multi Drive 1-31 Super...
...Special Keys and Controls 1-8 I/O Ports 1-8 Optional Items 1-8 Warranty 1-8 Environment 1-8 Software 1-9 Notebook Tour 1-10 Touchpad Basics 1-18 Using the Keyboard 1-19 Windows Keys 1-20 Hotkeys 1-21 Specification Tables 1-24 Computer specifications 1-24 Processor 1-25 Processor Specifications 1-25 CPU Fan True Value Table ... Fan True Value Table 1-26 System Memory 1-26 Memory Combinations 1-27 Video Interface 1-27 BIOS 1-27 LAN Interface 1-28 Keyboard 1-28 Hard Disk Drive (AVL components 1-29 Hard Disk Drive (AVL components) (Continued 1-30 Super-Multi Drive 1-31 Super...
Acer Aspire 4250 Notebook Service Manual
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Special Keys and Controls 0 Keyboard 105-US/106-UK key New Acer TM7T flat keyboard with international language support Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media keys Media control keys (printed on keyboard): play/pause, stop, previous, next, volume up, volume down I/O Ports 0 2-in-1 card reader (SD™, MMC) Three...
Special Keys and Controls 0 Keyboard 105-US/106-UK key New Acer TM7T flat keyboard with international language support Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media keys Media control keys (printed on keyboard): play/pause, stop, previous, next, volume up, volume down I/O Ports 0 2-in-1 card reader (SD™, MMC) Three...
Acer Aspire 4250 Notebook Service Manual
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Notebook Tour 0 Figure 1-1. Opened Front View # Icon Item 1 Acer Crystal Eye webcam 2 Display screen 3 Power button Description Web camera for video communication. (only for sound recording. 1-10 Hardware Specifications and Configurations 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...
Notebook Tour 0 Figure 1-1. Opened Front View # Icon Item 1 Acer Crystal Eye webcam 2 Display screen 3 Power button Description Web camera for video communication. (only for sound recording. 1-10 Hardware Specifications and Configurations 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...
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...not printed on the keys. It is in uppercase. Cursor-control keys on the upper right corner of numeric data entry. Main keyboard keys Hold while typing letters on , the embedded keypad is indicated by small characters located on embedded keypad Hold while using cursor-...is on embedded Type numbers in a normal manner. Scroll Lock does not work with the arithmetic operators +, -, *, and /). Table 1-8. Using the Keyboard 0 The computer has a close-to connect an external keypad. Use this mode when doing a lot of the key caps. Embedded Numeric Keypad Desired access...
...not printed on the keys. It is in uppercase. Cursor-control keys on the upper right corner of numeric data entry. Main keyboard keys Hold while typing letters on , the embedded keypad is indicated by small characters located on embedded keypad Hold while using cursor-...is on embedded Type numbers in a normal manner. Scroll Lock does not work with the arithmetic operators +, -, *, and /). Table 1-8. Using the Keyboard 0 The computer has a close-to connect an external keypad. Use this mode when doing a lot of the key caps. Embedded Numeric Keypad Desired access...
Acer Aspire 4250 Notebook Service Manual
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it launches the Start menu. Windows Keys 0 The keyboard has two keys that perform Windows-specific functions. it opens the application's context menu. 1-20 Hardware Specifications and Configurations Windows Logo key Application key Key ...
it launches the Start menu. Windows Keys 0 The keyboard has two keys that perform Windows-specific functions. it opens the application's context menu. 1-20 Hardware Specifications and Configurations Windows Logo key Application key Key ...
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... any key to return. Turns the touchpad on and off Touchpad toggle Switches display output between the display screen, external monitor (if connected) and both. Keyboard Hotkeys To activate hotkeys, press and hold the key before pressing the other key in Sleep mode. + + + Display toggle Display off . + + Speaker toggle Brightness up...
... any key to return. Turns the touchpad on and off Touchpad toggle Switches display output between the display screen, external monitor (if connected) and both. Keyboard Hotkeys To activate hotkeys, press and hold the key before pressing the other key in Sleep mode. + + + Display toggle Display off . + + Speaker toggle Brightness up...
Acer Aspire 4250 Notebook Service Manual
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... LAN connector type LAN connector location Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification Atheros 8151 RJ45 RJ45 at the left side Supports 10/100/1000 Specification Acer AC4T_A10B 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 Support independent pgdn/pgup...
... LAN connector type LAN connector location Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification Atheros 8151 RJ45 RJ45 at the left side Supports 10/100/1000 Specification Acer AC4T_A10B 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 Support independent pgdn/pgup...
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... IRQ19 IRQ81 IRQ82 IRQ83 IRQ84 IRQ85 IRQ86 IRQ87 IRQ88 IRQ89 IRQ90 IRQ91 IRQ92 IRQ93 IRQ94 IRQ95 IRQ96 System Function High precision event timer Standard PS/2 Keyboard High precision event timer Synaptics PS/2 Port Touchpad Numeric data processor Atheros AR8152/8158 PCI-E Fast Etherent Controller (NDIS 6.20) High Definition Audio Controller PCI...
... IRQ19 IRQ81 IRQ82 IRQ83 IRQ84 IRQ85 IRQ86 IRQ87 IRQ88 IRQ89 IRQ90 IRQ91 IRQ92 IRQ93 IRQ94 IRQ95 IRQ96 System Function High precision event timer Standard PS/2 Keyboard High precision event timer Synaptics PS/2 Port Touchpad Numeric data processor Atheros AR8152/8158 PCI-E Fast Etherent Controller (NDIS 6.20) High Definition Audio Controller PCI...
Acer Aspire 4250 Notebook Service Manual
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Introduction 3-5 General Information 3-5 Recommended Equipment 3-5 Maintenance Flowchart 3-6 Getting Started 3-7 Battery Pack Removal 3-8 Battery Pack Installation 3-8 Dummy Card Removal 3-9 Dummy Card Installation 3-9 Keyboard Removal 3-10 Keyboard Installation 3-11 Base Assembly Removal 3-12 Base Assembly Installation 3-13 ODD (Optical Disk Drive) Module Removal 3-14 ODD Module Installation 3-15 USB Module Removal 3-16 ...
Introduction 3-5 General Information 3-5 Recommended Equipment 3-5 Maintenance Flowchart 3-6 Getting Started 3-7 Battery Pack Removal 3-8 Battery Pack Installation 3-8 Dummy Card Removal 3-9 Dummy Card Installation 3-9 Keyboard Removal 3-10 Keyboard Installation 3-11 Base Assembly Removal 3-12 Base Assembly Installation 3-13 ODD (Optical Disk Drive) Module Removal 3-14 ODD Module Installation 3-15 USB Module Removal 3-16 ...
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Maintenance Flowchart 0 The flowchart in Jake LCD Panel Camera LVDS Cable Figure 3-1. It shows information on what components may need to be removed and installed during servicing. Battery SD Dummy Card Keyboard Base Assembly ODD Module USB Module Mainboard HDD Module DIMM Module WLAN Module Power Switch Board LCD Module Speaker Module Thermal Module LCD Bezel DC-in Figure 3-1 shows a graphic representation of the module removal and installation sequences. Maintenance Flow 3-6 LCD Brackets Machine Maintenance Procedures
Maintenance Flowchart 0 The flowchart in Jake LCD Panel Camera LVDS Cable Figure 3-1. It shows information on what components may need to be removed and installed during servicing. Battery SD Dummy Card Keyboard Base Assembly ODD Module USB Module Mainboard HDD Module DIMM Module WLAN Module Power Switch Board LCD Module Speaker Module Thermal Module LCD Bezel DC-in Figure 3-1 shows a graphic representation of the module removal and installation sequences. Maintenance Flow 3-6 LCD Brackets Machine Maintenance Procedures
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Figure 3-5. Turn the keyboard over so that the keypad (C) is face down on the seven (7) locking latches until the keyboard disengages and separates from mainboard connector (B) (Figure 3-6). Keyboard FPC Machine Maintenance Procedures B A C 3-10 Figure 3-6. Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Disconnect keyboard FPC (A) from the system (Figure 3-5). Press upward on the palm rest (Figure 3-6). 3. Keyboard Latches 2.
Figure 3-5. Turn the keyboard over so that the keypad (C) is face down on the seven (7) locking latches until the keyboard disengages and separates from mainboard connector (B) (Figure 3-6). Keyboard FPC Machine Maintenance Procedures B A C 3-10 Figure 3-6. Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Disconnect keyboard FPC (A) from the system (Figure 3-5). Press upward on the palm rest (Figure 3-6). 3. Keyboard Latches 2.
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Machine Maintenance Procedures 3-11 Refer to Figure 3-6. 3. Refer to Figure 3-6. 2. Press down on the system. ! CAUTION: Keyboard FPC (Flexible Printed Circuit) can be damaged if removed while mainboard connector is locked. Connect keyboard FPC (A) to Figure 3-5. 5. Keyboard Installation 0 1. Turn the keyboard over and align the keyboard with the indentation in the upper cover. 4. Install battery. Refer to mainboard connector (B). Put the keyboard face down to secure the latches on the palm rest (C).
Machine Maintenance Procedures 3-11 Refer to Figure 3-6. 3. Refer to Figure 3-6. 2. Press down on the system. ! CAUTION: Keyboard FPC (Flexible Printed Circuit) can be damaged if removed while mainboard connector is locked. Connect keyboard FPC (A) to Figure 3-5. 5. Keyboard Installation 0 1. Turn the keyboard over and align the keyboard with the indentation in the upper cover. 4. Install battery. Refer to mainboard connector (B). Put the keyboard face down to secure the latches on the palm rest (C).
Acer Aspire 4250 Notebook Service Manual
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...problems. The step by re-creating the failure through diagnostic tests or repeating the operation that led to the problem. 3. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Table 4-1. If possible, verify ...the symptoms by step procedures are a guide for Acer products only. Troubleshooting 4-3 Common Problems Symptoms (Verified) Power On Issues No Display Issues LCD Picture Failure Internal Keyboard Failure Touchpad Failure Internal Speaker Failure Internal Microphone Failure USB Failure Other Functions...
...problems. The step by re-creating the failure through diagnostic tests or repeating the operation that led to the problem. 3. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Table 4-1. If possible, verify ...the symptoms by step procedures are a guide for Acer products only. Troubleshooting 4-3 Common Problems Symptoms (Verified) Power On Issues No Display Issues LCD Picture Failure Internal Keyboard Failure Touchpad Failure Internal Speaker Failure Internal Microphone Failure USB Failure Other Functions...
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Internal Keyboard Failure 0 If the Keyboard fails, perform the following: START Keyboard FPC well connected? Connect No it well Keyboard OK? Keyboard Failure Troubleshooting 4-9 No Replace keyboard Replace M/B Figure 4-4.
Internal Keyboard Failure 0 If the Keyboard fails, perform the following: START Keyboard FPC well connected? Connect No it well Keyboard OK? Keyboard Failure Troubleshooting 4-9 No Replace keyboard Replace M/B Figure 4-4.
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...* BDS 12 ASF Initialization BDS_PCI_ENUMERATION_START BDS 13 PCI enumeration BDS_BEFORE_PCIIO_INSTALL BDS 14 PCI resource assign complete BDS_PCI_ENUMERATION_END BDS 15 PCI enumeration complete BDS_CONNECT_CONSOLE_IN BDS 16 Keyboard Controller, Keyboard and Mouse initialization BDS_CONNECT_CONSOLE_OUT BDS 17 Video device initialization BDS_CONNECT_STD_ERR BDS 18 Error report device initialization 4-20 Troubleshooting Table 4-6.
...* BDS 12 ASF Initialization BDS_PCI_ENUMERATION_START BDS 13 PCI enumeration BDS_BEFORE_PCIIO_INSTALL BDS 14 PCI resource assign complete BDS_PCI_ENUMERATION_END BDS 15 PCI enumeration complete BDS_CONNECT_CONSOLE_IN BDS 16 Keyboard Controller, Keyboard and Mouse initialization BDS_CONNECT_CONSOLE_OUT BDS 17 Video device initialization BDS_CONNECT_STD_ERR BDS 18 Error report device initialization 4-20 Troubleshooting Table 4-6.
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Jumper and Connector Locations Mainboard Jumper and Connector Locations 0 3 4 1 2 5 6 7 Figure 5-1. Mainboard Top Table 5-1. Mainboard Top Item Description 1 Powerboard Connector 2 Speaker Connector 3 Keyboard Connector 4 Touchpad Connector Item 5 6 7 Description Internal microphone Card Reader Connector Bluetooth Connector Jumper and Connector Locations 5-3
Jumper and Connector Locations Mainboard Jumper and Connector Locations 0 3 4 1 2 5 6 7 Figure 5-1. Mainboard Top Table 5-1. Mainboard Top Item Description 1 Powerboard Connector 2 Speaker Connector 3 Keyboard Connector 4 Touchpad Connector Item 5 6 7 Description Internal microphone Card Reader Connector Bluetooth Connector Jumper and Connector Locations 5-3