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Acer Aspire 4720Z Aspire 4720, G, Z, 4320 Service Guide - Page 8

Audio, Storage subsystem, Input devices, Communication, I/O Ports, in-1 card reader - hard drive

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T MPEG-2/DVD hardware-assisted capability (acceleration/full decode) (for selected models) T WMV9 (VC-1) and H.264 (AVC) support (acceleration/full decode) (for selected models) T S-video/TV-out (NTSC/PAL) support T Acer ArcadeTM featuring Acer CinemaVisionTM and Acer ClearVision™ technologies Audio T Dolby® certified surround sound system with two built-in stereo speakers T Dolby® Home Theater audio enhancement featuring Dolby® Digital, Dolby® Digital Live, Dolby® PRO LOGIC II, Dolby® Digital Stereo Creator, Dolby® Headphone and Dolby® Virtual Speaker technologies T Intel® High Definition audio support T S/PDIF (Sony/Philips Digital Interface) support for digital speakers T MS Sound compatible T Built-in microphone Storage subsystem T One 80/120/160/240/250 GB or larger Serial ATA hard disk drives T Optical drive options: DVD/CDRW Combo and DVD-Super Multi double-layer drive support T 5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), Memory Stick PROTM (MS PRO), and xD-Picture CardTM (xD) Input devices T 88-/89-/93-key keyboard, with inverted "T" cursor layout; 2.5 mm (minimum) key travel T Seamless touchpad pointing device with 4-way scroll button T 12 function keys, four cursor keys, two Windows® keys, hotkey controls, embedded numeric keypad, international language support, independent US and Euro dollar sign keys T Empowering Key T Easy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade™ Communication T Acer Video Conference, featuring: t Integrated Acer Crystal Eye webcam, supporting Acer t PrimaLite™ technology t Optional Acer Xpress VoIP phone T WLAN: Intel® PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIED® solution, supporting Acer SignalUp™ wireless technology (for selected models) or Intel® PRO/Wireless 3945BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIED® solution, supporting Acer SignalUp™ wireless technology (for selected models) T WPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate) T LAN: Gigabit Ethernet supporting ASF (Alert Standard Format) 2.0; Wake-on-LAN ready T Modem: 56K V.92 modem with PTT approval; Wake-on-Ring ready I/O Ports T T T T Express Card slot 5-in-1 card reader (SD/MMC/MS/MS PRO/xD) Four USB 2.0 ports IEEE 1394 port 2 Chapter 1

Section	Page
System Specifications	7
Features	7
System Block Diagram	10
Board Layout	11
Top View	11
Bottom View	12
Your Acer Notebook tour	13
Front View	13
Closed Front View	14
Left View	15
Right View	16
Rear view	16
Base view	17
Indicators	17
Easy-Launch Buttons	18
Touchpad Basics	19
Using the Keyboard	20
Lock Keys and embedded numeric keypad	20
Windows Keys	21
Hot Keys	22
Special Key	23
Acer Empowering Technology	24
Empowering Technology password	24
Acer eNet Management	25
Acer ePower Management	26
Acer eAudio Management	28
Acer ePresentation Management	29
Acer eDataSecurity Management	29
Acer eLock Management	31
Acer eRecovery Management	32
Acer eSettings Management	33
Getting to know your Acer Cystal Eye webcam	34
Using the System Utilities	35
Acer GridVista (dual-display compatible)	35
Launch Manager	36
Hardware Specifications and Configurations	37
System Utilities	45
BIOS Setup Utility	45
Navigating the BIOS Utility	46
Information	47
Main	48
Security	50
Boot	54
Exit	55
BIOS Flash Utility	56
Machine Disassembly and Replacement	57
General Information	58
Before You Begin	58
Disassembly Procedure Flowchart	59
Removing the Battery Pack	61
Removing the HDD Module/ODD Module/Memory/Wireless LAN Card/ Keyboard and the LCD Module	62
Removing the HDD Module	62
Removing the ODD Module	63
Removing the Memory	63
Removing the Wireless LAN Card	63
Removing the Keyboard and LCD Module	64
Disassembling the Main Unit	66
Separate the Main Unit Into the Upper and the Lower Case Assembly	66
Disassembling the Lower Case Assembly	66
Disassembling the Upper Case Assembly	67
Disassembling the Main Board	68
Disassembling the LCD Module	70
Disassembling the External Modules	71
Disassembling the HDD Module	71
Disassembling the ODD Module	71
Troubleshooting	73
System Check Procedures	74
External Diskette Drive Check	74
External CD-ROM Drive Check	74
Keyboard or Auxiliary Input Device Check	74
Memory check	75
Power System Check	75
Touchpad Check	77
Power-On Self-Test (POST) Error Message	78
Index of Error Messages	79
Phoenix BIOS Beep Codes	82
Index of Symptom-to-FRU Error Message	86
Intermittent Problems	89
Undetermined Problems	90
Jumper and Connector Locations	91
Top View	91
Bottom View	92
FRU (Field Replaceable Unit) List	93

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