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Acer Aspire 7739G Aspire 7739, 7739G, 7739Z Notebook Service Guide - Page 159

Clear CMOS Jumper, RTC Battery, CMOS Jumper, Table 5-3., Description

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Figure 5-3. RTC Battery 4. Locate the RTCRST# jumper. 5. Use an electric conductivity tool to short the two points of the RTCRST# jumper. 6. Plug in AC, keeping the RTCRST# jumper shorted. 7. Press Power Button until BIOS POST is finished, then remove the conductivity tool from the RTCRST# jumper. 8. Restart the system. Press F2 to enter BIOS Setup menu. 9. If there is no Password request, BIOS Password is cleared. 10. If a password is requested, repeat Steps 1 through 9. Clear CMOS Jumper 0 Figure 5-4. CMOS Jumper Table 5-3. CMOS Jumper Item Description RTC_RST# Clear CMOS Jumper Jumper and Connector Locations 5-7

Section	Page
Aspire 7339_7739_7739G_7739Z_7739ZG_CH1	1
Features	1
Operating System	1
Platform	1
System Memory	1
Display	1
Graphics	1
Storage Subsystem	2
Audio Subsystem	2
Optical Media Drive	2
Communication	2
Privacy Control	3
Dimensions and Weight	3
Power Adapter and Battery	3
Special Keys and Controls	3
I/O Ports	4
Optional Items	5
Software	5
Environment	6
Notebook Tour	7
Top View	7
Left View	9
Right View	10
Base View	11
Indicators	12
Touchpad Basics	12
Using the Keyboard	13
Lock Keys	14
Windows Keys	15
Hotkeys	17
System Block Diagram	19
Specification Tables	20
Computer specifications	20
System Board Major Chips	21
Processor	21
Processor Specifications	21
CPU Fan True Value Table	22
System Memory	22
Memory configuration	23
Graphics Controller	23
Video Interface	23
BIOS	23
LAN Interface	24
Keyboard	24
Hard Disk Drive	25
Super-Multi Drive Interface	26
LED LCD	26
Display Supported Resolution (LCD Supported Resolution)	27
Graphics Controller	28
Display Supported Resolution (GPU Supported Resolution)	28
Display Supported Resolution (LCD panel Supported Resolution)	28
Camera	29
Audio Codec and Amplifier	29
Audio Interface	30
Wireless Module 802.11b/g/n	31
Battery	31
VRAM	31
USB Port	32
HDMI Port	32
AC Adapter	32
System Power Management	32
Card Reader	33
System LED Indicator	33
System DMA Specification	33
System Interrupt Specification	34
System IO Address Map	35
Aspire 7339_7739_7739G_7739Z_7739ZG_CH2	37
Navigating the BIOS Utility	37
BIOS	38
Information	38
Main	40
Security	42
Boot	46
Exit	47
BIOS Flash Utilities	48
DOS Flash Utility	49
WinFlash Utility	51
Remove HDD Password Utilities	52
Removing BIOS Passwords	54
Cleaning BIOS Passwords	55
DMI Utilities	56
LAN EEPROM Utilities	62
Aspire 7339_7739_7739G_7739Z_7739ZG_CH3	65
Recommended Equipment	65
Replacement Requirements	65
Pre-disassembly Instructions	66
Disassembly Process	67
External Module Disassembly Process	68
External Modules Disassembly Flowchart	68
Removing the Battery Pack	69
Removing the HDD Module	70
Removing the WLAN Module	73
Removing the ODD Module	75
Removing the Memory Module	76
Removing Main screws on bottom case	78
Main Unit Disassembly Process	79
Main Unit Disassembly Flowchart	79
Removing the Keyboard	80
Removing the TOP CASE Module	83
Removing ODD B/D&I/O B/D MODULE	87
Removing Mother board module	90
Removing Thermal module	93
Removing CPU module	95
LCD Module Disassembly Process	96
LCD Module Disassembly process Flowchart	96
Removing Hinge Module	97
Removing Bezel Module	98
Removing Panel Module	99
LCD Reassembly Procedure	102
Replacing the LCD PANEL Module	102
Replacing Bezel Module	105
Replacing Hinge Module	106
Main Unit Reassembly Process	108
Replacing CPU Module	108
Replacing Thermal Module	108
Replacing the Mainboard	110
Replacing ODD BD and IO BD Module on the bottom case	112
Replacing the Top case Module	115
Replacing Key board module	120
External Modules Reassembly Process	121
Replacing memory Module	121
Replacing ODD Module	122
Replacing the WLAN Module	123
Replacing HDD Module	125
Replacing Battery Module	127
Aspire 7339_7739_7739G_7739Z_7739ZG_CH4	129
General Information	129
Power On Issues	130
No Display Issues	131
LCD Failure	133
Keyboard Failure	134
Touchpad Failure	135
Internal & External Speaker Failure	136
Microphone Failure	138
USB Failure	139
WLAN Failure	140
Card Reader Failure	141
Thermal Unit Failure	142
HDMI and CRT Failure	143
CD-ROM/DVD Failure	144
Other Functions Failure	145
Intermittent Problems	145
Undetermined Problems	145
Post Codes	146
POST Code Range	146
Aspire 7339_7739_7739G_7739Z_7739ZG_CH5	158
Clearing Password Check	158
Clear CMOS Jumper	159
BIOS Recovery by Crisis Disk	160
Aspire 7339_7739_7739G_7739Z_7739ZG_CH6	162
Top-Case Assembly Exploded Diagram	162
Bottom-Case Assembly Exploded Diagram	165
LCD COVER Assembly Exploded Diagram	167
LCD BEZEL Assembly Exploded Diagram	168
FRU List	170
Aspire 7339_7739_7739G_7739Z_7739ZG_CH7	187
Aspire 7339_7739_7739G_7739Z_7739ZG_CH8	202
Aspire 7739G	202

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