Aspire 4540 4240 Series LapTop Service Guide Manual -PDF DOWNLOAD

Page 175

BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed.

BIOS Recovery Hotkey: The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block.

Steps for BIOS Recovery by Crisis Disk: Before doing this, one Crisis Disk should be prepared ready in hand. The Crisis Disk could be made by executing the Crisis Disk program in another system with Windows XP OS. Follow the steps below: 1. Plug in the USB Floppy Disk. 2. Copy kblg009.wph to the tool’s folder and rename it as BIOS.wph. Execute wincris.exe. 3. Select the Removable option for Disk Format and click Start. Follow the instructions on the screen.

4. Click Format to format and create the disk. 5. A message on the screen shows when the crisis recovery disk has been created.

To use the crisis recovery disk, do the following: 1. Plug in the USB Flash Disk without AC plug. 2. Press Fn + Esc and then plug in AC power while holding down the keys. Power button flashes orange. 3. Press Power button and system will enter crisis mode to flash the BIOS. 4. Update to the latest version BIOS for the system using the regular BIOS flashing process.

Chapter 2

165


Turn static files into dynamic content formats.

Create a flipbook

Articles inside

Aspire 4540/4240 Series

22min
pages 190-209

BIOS Recovery by Crisis Disk

2min
pages 175-177

Clearing Password Check

1min
page 174

Each SmmDriver entry point used in 80_PORT

1min
page 170

BDS & Specific action

1min
page 166

Top View

1min
page 171

ODD Failure

5min
pages 156-158

Internal Microphone Failure

1min
page 154

HDD Not Operating Correctly

1min
page 155

Random Loss of BIOS Settings

2min
page 150

No Display Issue

1min
page 149

Common Problems

1min
page 147

Replacing the Battery

1min
pages 145-146

Power On Issue

1min
page 148

Replacing the Bluetooth Board

1min
pages 119-120

Replacing the Speaker Module

1min
page 133

Replacing the Keyboard

1min
pages 134-135

Replacing the LCD Module

1min
pages 129-132

Replacing the Mainboard

1min
pages 116-117

Replacing the RJ-11 Port

1min
page 115

Replacing the LCD Bezel

1min
page 111

Replacing the Camera Module

1min
page 110

Removing the Antennas

1min
page 103

Replacing the LCD Panel

1min
pages 108-109

Removing the MIC Module

1min
page 104

Removing the LCD Brackets and FPC Cable

1min
page 102

Removing the Camera Module

1min
page 99

Removing the LCD Bezel

1min
pages 97-98

Removing the CPU

1min
page 95

Removing the Thermal Module

1min
pages 93-94

Removing the RJ-11 Port

1min
pages 91-92

Removing the Mainboard

1min
page 90

Removing the USB Board

1min
page 87

Removing the Modem Module

1min
pages 88-89

Removing the RTC Battery

1min
page 84

Removing the Speaker Module

1min
pages 70-71

Removing the Keyboard

1min
page 69

Removing the Hinge Covers

1min
page 66

Removing the Optical Disk Drive Module

1min
pages 63-64

Disassembly Requirements

1min
page 51

DOS Flash Utility

1min
pages 42-43

Removing the Battery Pack

1min
page 54

Remove HDD/BIOS Password Utilities

1min
pages 46-47

Exit

1min
page 40

BIOS Flash Utilities

1min
page 41

Boot

1min
page 39

Windows Keys

1min
page 22

Acer GridVista (dual-display compatible

1min
page 24

Information

1min
page 34

Closed Front View

1min
page 16

Main

1min
page 35

Features

2min
pages 11-13

Security

3min
pages 36-38

Touchpad Basics (with fingerprint reader

1min
page 20
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