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Acer TravelMate 4650 TravelMate 4150 / 4650 Service Guide - Page 83

No beep Error Messages, FRU/Action in Sequence, Reconnect the DIMM.

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Error Message List No beep Error Messages FRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 68. Ensure every connector is connected tightly and correctly. Reconnect the DIMM. LED board. System board. No beep, power-on indicator turns on and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 68. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT. Reconnect the LCD connectors LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on LCD during POST. Ensure every connector is connected tightly and correctly System board No beep during POST but system runs correctly. Speaker System board Chapter 4 74

Section	Page
TravelMate 4650 & TravelMate 4150 BOOK	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
T.O.C	6
CH1_System Specifications	10
System Specifications	10
Features	10
Mainboard Placement	14
Top View	14
Bottom View	15
Block Diagram	17
Outlook View	18
Front View	18
Closed Front View	19
Left View	20
Right View	21
Rear View	22
Bottom View	23
Using the Keyboard	24
Lock keys and embedded numeric keypad	24
Windows Key	25
Hot Keys	26
Special Keys	29
Indicators	30
Launch Keys	31
Touchpad	32
Touchpad Basics	32
Using a computer security lock	34
Using System Utilities	35
Acer eManager	35
Launch Manager	36
Audio	37
Adjusting the Volume	37
Eject ing the optical (CD or DVD) drive tray	38
Using a Computer Security Lock	39
System Power Management	40
Hardware Specifications and Configurations	41
CH2_System Utilities	52
System Utilities	52
Buttons	53
Application Launch Buttons	53
Power Button	53
Lid Switch	53
Hard Disk Password Function/ Password on boot function	54
Valid Password Characters	54
Information	55
Main	57
Advanced	58
Security	60
Boot	61
Exit	62
CH3_Machine Disassembly and Replacement	64
Machine Disassembly and Replacement	64
General Information	65
Before You Begin	65
Removing the Battery Pack	66
Removing the HDD and ODD Module	67
Removing the RAM	67
Removing the Keyboard	67
Removing the Wireless and LCD Panel	68
Removing the Thermal and Bluetooth Module	68
Removing the Upper Case	68
Removing the Touchpad	69
Removing the FAN	70
Removing the Thermal Module and CPU	70
Removing the MDC	71
Removing the Wireless, Speaker and PCMCIA	71
Removing the LCD Panel	72
Removing the HDD and ODD	74
CH4_Troubleshooting	75
Troubleshooting	75
System Check Procedures	76
External Diskette Drive Check	76
External CD-ROM Drive Check	76
Keyboard or Auxiliary Input Device Check	76
Memory check	77
Power System Check	77
Touchpad Check	79
Power-On Self-Test (POST) Error Message	80
Index of Error Messages	81
POST Code	84
Index of Symptom-to-FRU Error Message	85
Intermittent Problems	88
Undetermined Problems	89
Use NAPP CD to Build Master Hard Disc Drive	90
CD to Disk Recovery	90
Disk to Disk Recovery	93
CH5_Jumper and Connector Locations	97
Jumper and Connector Locations	97
Top View	97
Rear View	98
VGA Board	100
Power SW/B	101
TouchPad Board	102
Hot Swap ODD Board	103
DVI Board	104
Clear CMOS	105
CH6_FRU	106
FRU (Field Replaceable Unit) List	106
Exploded Diagram	107
Parts	109
AppA_Model and Configuration	122
Model Definition and Configuration	122
TravelMate4650 Series	122
TravelMate 4150 Series	122
AppB_Test Compatible Components	123
Test Compatible Components	123
Microsoft Windows XP (Home/Professional) Environment Test	124
AppC_Online Support Information	127

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