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Acer Veriton Z291G Service Guide - Page 39

Disconnect the touchscreen function cable from both the mainboard and the touchscreen control board. - inverter

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4. Disconnect the LCD and inverter cables from the mainboard. 5. Disconnect the touchscreen film cable from the touchscreen control board. 6. Disconnect the touchscreen function cable from both the mainboard and the touchscreen control board. Veriton Z290G AIO Computer Service Guide 31

Section	Page
Veriton Z290G All-In-One Computer Service Guide	1
Table of Contents	7
Features and Specifications	9
System Features	9
Physical Specifications	10
Environmental Requirements	10
System Tour	11
Front View	11
Right Views	12
Left and Rear Views	13
Hardware Specifications	14
Processor	14
Chipsets	14
BIOS	14
Memory	14
Hard Disk Drive	15
Optical Disc Drive	15
Card Reader	15
Ethernet	15
Wireless LAN	15
Audio	16
Webcam	16
LCD Panel	16
AC Adapter	16
System Utilities	17
CMOS Setup Utility	17
Accessing the Setup Utility	18
Navigating through the Setup Utility	19
Setup Utility Menus	19
System Disassembly	33
Disassembly Tools	33
Pre-disassembly Procedure	33
Disassembly Procedures	34
Removing the Computer Stand	34
Removing the Side Bars	35
Removing the Front Bezel	36
Removing the Webcam Module	37
Removing the LCD Assembly	38
Removing the LCD LVDS Cable	40
Removing the LCD Panel Bracket and Inverter Board	41
Removing the Optical Disc Drive	43
Removing the Hard Disk Drive	45
Removing the System Fan	47
Removing the Heat Sink	48
Removing the Memory Modules	49
Removing the Webcam Cable	50
Removing the Power Button/LED Assembly	50
Removing the Speakers	51
Removing the Mainboard	52
Troubleshooting	55
Hardware Diagnostic Procedure	55
System Check Procedures	55
Checkpoints	56
POST Error Indicators	60
BIOS Recovery	69
Clearing CMOS	70
System Architecture	71
Block Diagram	71
Mainboard Layout	72
Field Replaceable Unit (FRU) List	75
Exploded Diagram	76
FRU List	77
Model Definitions and Configurations	87
Approved Vendor List (AVL)	91

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