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Popular Acer Extensa 4420 Manual Pages
Extensa 4420 / 4120 User's Guide EN - Page 2
... and specifically disclaims the implied warranties of such revisions or changes. All Rights Reserved. Such changes will be made periodically to your unit should include the serial number, model number and purchase information. Extensa 4420/4120 Series User's Guide Original Issue: 06/2007
Changes may be reproduced, stored in a retrieval system, or transmitted, in this manual...
Extensa 4420 / 4120 User's Guide EN - Page 13
... Acer notebook, we have designed a set of the power button. The printed User's Guide introduces you get started with setting up your mobile computing needs.
For more productive, please refer to the AcerSystem User's Guide. Note: Viewing the file requires Adobe Reader. For instructions on how your computer can help you use Adobe Reader, access the Help and Support...
Extensa 4420 / 4120 User's Guide EN - Page 36
... way to work. the center button serves as 4- 16
English
# Item
Description
3 Display screen
Also called Liquid-Crystal Display (LCD), displays computer output.
4 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer's functions and components.
5 Keyboard
For entering data into your computer.
6 Palmrest
Comfortable support area for your...
Extensa 4420 / 4120 User's Guide EN - Page 59
....
Note: Please ensure that the resolution setting of your preferred screen configuration for the location of the easylaunch buttons. Launch Manager
Launch Manager allows you to set to the manufacturer's recommended value. English
39
Acer GridVista is simple to set up: 1 Run Acer GridVista and select your second monitor is set the four easy-launch buttons located above the keyboard.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 8
... Check 66 External CD-ROM Drive Check 66 Keyboard or Auxiliary Input Device Check 66 Memory Check 67 Power System Check 67 Touchpad Check 68
POST Error Indicators 69 POST Error Message 69 POST Beep Codes 72
Index of Symptom-to-FRU Error Message 77 Intermittent Problems 80 Undetermined Problems 81 Online Support Information 82 System Block Diagram 83
System...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 15
... pointing device which functions like the left and right buttons function like a computer mouse.
Palmrest
Comfortable support area for more information. Easy-launch buttons Press to access TravelMate's protection and manageability features.
Go to page 10 for more information. Status indicators
Light-Emitting Diodes (LEDs) for monitoring the power status and battery charge...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 31
... you made and close the Setup Utility. Open the computer in step 4, then press Enter. Write down the generated master password. 6. In the HDD password prompt, type the master password generated in a DOS environment. 2. Press F9 to clear all system passwords. 8. Reboot the computer. 7. Chapter 2
21 To decode HDD password error code for unlock hard disk. 1. Select option 2 (upper case...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 79
... will be replaced when servicing a computer.
The POST error message index in the computer.
Some of them display information about a hardware device, e.g., the amount of the error. Chapter 4
69
If the symptom is specified. IMPORTANT: If the system fails after you determine the next possible FRU to correct the error. CPU BIOS Update Code Mismatch 2. Battery Critical Low...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 80
...setttings.
BIOS ROM System board
DIMM System board
DIMM System board
Replace the RTC battery, then access the Setup Utility to the "Keyboard or Auxiliary Input Device Check" section on page 66. RTC battery Run the Setup Utility to reconfigure the system time settings.
Default configuration used
Memory size found by POST differed from CMOS
Diskette drive A error
Incorrect Drive A type...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 85
... 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 Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 87
...Error
LCD backlight doesn't work ). LCD cable Inverter board LCD panel System board
Inverter board LCD-CCD cable LCD panel System board
Power-related Symptoms
Symptom/Error
Power shuts down during operation
The system won 't power off.
Battery pack System board
Chapter 4
77 Keyboard (if contrast and brightness function key doesn't work LCD is not listed in Sequence
Power source (battery...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 90
... as cosmic radiation, electrostatic discharge, or software errors. When analyzing an intermittent problem, do not replace any error is detected, do the following: 1. If any FRU. 3. Intermittent Problems
Intermittent system hang problems can be considered only when a recurring problem exists. If no more errors.
80
Chapter 4 FRU replacement should be caused by a variety of reasons...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 129
...
Item
Keyboard controller Keyboard layout Features
Simultaneously support for internal and external keyboard
Specification
Winbond WPC8768L
88-/89-/93-key keyboard with international language support
T Embedded numeric keypad T Inverted "T" cursor keys, 12 function keys, Windows®
key, independent US and Euro dollar sign keys, and hotkey controls T Acer MediaTouch keys: play/pause, stop...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 132
Hard Disk Drive
Specification
Provider Model Part number Formatted capacity Number of disks Number of data heads Interface Seek time (average) Rotational speed Data transfer rate
Internal Buffer to Host Buffer Dimensions (mm) Height Width Depth Weight Allowable ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 140
... Setup Utility
accessing 14 Boot menu 22 Exit menu 23 Information menu 16 legend bar 14 Main menu 17 menu bar 14 navigating 15
Security menu 18 system dafaults 23
POST
beep codes 72 error messages 69
power
Acer QuicCharge 3 battery pack 9 button 5 DC-in jack 8 disconnecting 28 indicator 10 power management 3 power management specification
125
power board
part number 90, 99 power-on password...
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