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Acer Aspire Z1100 Acer Aspire Z1100 Desktop Service Guide - Page 63

Flashing BIOS, Flashing ME FW, Wflash4M

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8. Execute Wflash4M to flash BIOS and ME FW. (Figure 2-20 and Figure 2-21) Figure 2-20. Flashing BIOS Figure 2-21. Flashing ME FW 9. Restart system after flash has completed. System Utilities 2-19

Section	Page
ZX4250/ZX4251 Service Guide	1
Table of Contents	5
Chapter 1: Hardware Specifications and Configurations	11
Table of Contents	12
Features	15
Operating System	15
CPU and Chipset	15
Memory	15
Graphics	15
Display	15
Audio	15
Storage	16
Optical Media Drive	16
Communication	16
TV Tuner	16
Card Reader	16
I/O Ports	17
Adapter	17
Dimension and Weight	17
System compliance	17
Certification	17
Environment	17
Accessories	18
Software	18
Computer Tour	19
Front View	19
Left View	20
Right View	21
Rear View	22
Using the Keyboard	23
Windows Keys	24
Hotkeys	25
System Block Diagram	27
Specification Tables	28
Computer specifications	28
System Board Major Chips	29
Processor	29
Processor Specifications	29
CPU Fan True Value Table (Tj=90)	30
System Memory	30
Memory Combinations	30
Video Interface	31
BIOS	31
LAN Interface	31
Hard Disk Drive (AVL components)	32
Super-Multi Drive	34
LED 20”	35
LCD Inverter	36
Display Supported Resolution (LCD Supported Resolution)	36
Graphics Controller	36
Display Supported Resolution (GPU Supported Resolution)	37
Camera	37
Mini Card	37
Audio Codec and Amplifier	38
Audio Interface	38
Wireless Module - 802.11 b/g/n (optional)	39
VRAM	39
USB Port	40
AC Adapter	40
System Power Management	41
Card Reader	41
System LED Indicator	41
Chapter 2: System Utilities	45
Table of Contents	46
BIOS Setup Utility	47
Navigating the BIOS Utility	47
BIOS	48
Main	48
Advanced	50
Power	51
Security	52
Boot Options	57
Exit	58
BIOS Flash Utilities	59
DOS Flash Utility	60
Wflash4M Utility	61
Clearing BIOS Passwords	64
Using DMI Tools	66
Using the LAN MAC EEPROM Utility	68
Chapter 3: Machine Maintenance Procedures	71
Table of Contents	72
Introduction	75
General Information	75
Recommended Equipment	75
Screw Table	76
Maintenance Flowchart	77
Getting Started	78
Dummy Card Removal	79
Dummy Card Installation	79
Rear Stand Removal	80
Rear Stand Installation	81
Back cover Removal	82
Back Cover Installation	83
Function board Removal	84
Function board Installation	85
Converter Board Removal	86
Converter Board Installation	86
Change Board Removal	87
Change Board Installation	87
Power Board Removal	88
Power Board Installation	88
Infrared Board Removal	89
Infrared Board Installation	90
HDD Module Removal	91
HDD Module Installation	92
HDD Bracket Removal	93
HDD Bracket Installation	93
ODD Module Removal	94
ODD Module Installation	96
Button Board Removal	97
Button Board Installation	98
Camera Module Removal	99
Camera Module Installation	101
Mainboard Shielding Removal	102
Mainboard Shielding Installation	103
DIMM Module Removal	104
DIMM Module Installation	104
WLAN Module Removal	105
WLAN Module Installation	105
TV Tuner Module Removal	106
TV Tuner Module Installation	106
RTC Battery Removal	107
RTC Battery Installation	107
Fan Module Removal	108
Fan Module Installation	108
ODD Connector Removal	109
ODD Connector Installation	109
Thermal Module Removal	110
Thermal Module Installation	111
CPU Removal	112
CPU Installation	113
Mainboard Removal	114
Mainboard Installation	116
Middle Frame Removal	118
Middle Frame Installation	120
LCD Panel Removal	121
LCD Panel Installation	123
Speaker Module Removal	124
Speaker Module Installation	124
LED Board Removal	125
LED Board Installation	125
Chapter 4: Troubleshooting	127
Table of Contents	128
Introduction	129
General Information	129
Common Problems	130
LCD Failure	131
Wireless Function Failure	134
Component Failure	135
Other Functions Failure	137
Intermittent Problems	142
Undetermined Problems	142
BIOS Post Codes	143
Chapter 5: Jumper and Connector Locations	149
Table of Contents	150
Mainboard	151
Clearing Password and BIOS Recovery	153
Clearing Password	153
BIOS Recovery by Crisis Disk	154
Chapter 6: FRU (Field Replaceable Unit) List	157
Table of Contents	158
Exploded Diagrams	160
Main Assembly	160
FRU List	162
Screw List	169
Chapter 7: Online Support Information	171
Table of Contents	172
Introduction	173

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