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Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 140

Acer QuicCharge, beep codes

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part number 89, 98 removing 63 middle cover part number 95, 104 removing 42 modem board connector 85 part number 90, 99 removing 55 modem cable part number 91, 100 modem port location 8 O ODD, see optical disc drive 7 Online Support Information 82 operating system 4 optical disc drive access indicator 7 bracket, part number 95, 104 bracket, removing 37 drive options 1 DVD module, part number 96, 105 eject button 7 emergency eject hole 7 location 7 module connector 85 removing 36 troubleshooting 66 P palmrest 5 PC Card slot compatibility test 115 eject button 8 location 8 Phoenix TrustedCore 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 18 Power-On Self Test, see POST 13 processor part number 97, 106 power management 125 removing 40 socket location 85 productivity keys lock 12 presentation 12 sync 12 Q Quiet Boot 17 R RTC battery BIOS error 13 location 84 S S4 state 125 speaker part number 89, 98 speakers cable connector 84 removing 55 specifications 2 status indicators 10 130 Index

Section	Page
Features	11
TravelMate Tour	15
Open Front View	15
Close Front View	16
Left View	17
Right View	18
Rear View	18
Base View	19
Status Indicators	20
Easy-launch Keys	21
Productivity Keys	22
Phoenix TrustedCore Setup Utility	23
Accessing the Setup Utility	24
Navigating Through the Setup Utility	25
Setup Utility Menus	26
BIOS Flash Utility	34
Launch Manager	35
Disassembly Tools	37
Stages of the Disassembly Process	37
Equivalent Torque Values	37
System Screw List	38
Pre-disassembly Procedure	38
External Modules Disassembly	39
External Modules Disassembly Flowchart	39
Removing the SD Dummy Card	40
Removing the PC Card Dummy Card	40
Removing the Battery Pack	41
Removing the Lower Case Cover	42
Removing the Memory Modules	42
Removing the WLAN Board	43
Removing and Dismantling the HDD Assembly	44
Removing and Dismantling the ODD Assembly	46
Removing the Processor Cooling Fan	48
Removing the Heat Sink	49
Removing the Processor	50
Main Unit Disassembly	51
Main Unit Disassembly Flowchart	51
Removing the Middle Cover	52
Removing the Keyboard	52
Removing the LCD Module	53
Removing the Upper Case	57
Removing the LED Board	59
Removing the Fingerprint and Touchpad Boards	60
Removing the Card Reader Board	62
Removing the Bluetooth Board	63
Removing the System Board	64
Removing the Modem Board	65
Removing the Speakers	65
LCD Module Disassembly	67
LCD Module Disassembly Flowchart	67
Removing the LCD Bezel	68
Removing the Inverter Board	69
Removing the LCD Module Hinges	70
Removing the LCD Panel	70
Removing the LCD-CCD Cable	71
Removing the LCD Panel Brackets	72
Removing the Internal Microphone and the CCD Board	73
Removing the WLAN Antennas	74
Hardware Diagnostic Procedure	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	78
POST Error Indicators	79
POST Error Message	79
POST Beep Codes	82
Index of Symptom-to-FRU Error Message	87
Intermittent Problems	90
Undetermined Problems	91
Online Support Information	92
System Block Diagram	93
System Board Layout	94
Top View	94
Bottom View	95
System Switch	96
Aspire 5910 Exploded Diagram	98
TravelMate 4520 FRU List	99
TravelMate 4520 Series Model Configurations	117
Test Compatible Components	123

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