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Acer Aspire Z5771 Acer Aspire Z5770 and Z5771 Desktop Service Guide - Page 104

Removing the Heatsink

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Removing the Heatsink 0 Uncover the mylar and unscrew 5 screws. ID Size M3X5L (B) Quantity 1 N/A 4 Screw Type Remove the heatsink in the direction as indicated by the arrow. 3-32 System Disassembly and Assembly

Section	Page
CHAPTER 1	7
Hardware Specifications	7
Features	9
Quick Specification	9
Chassis Specification	13
Motherboard Specification	16
System Tour	21
M/B Placement	26
Jumper Setting	27
Block Diagram	29
CHAPTER 2	31
System Utilities	31
CMOS Setup Utility	33
Entering CMOS setup	34
Navigating Through the Setup Utility	34
BIOS Setup Utility	35
AMI UEFI BIOS Flash SOP for DOS	45
AMI UEFI BIOS Flash SOP for Windows	49
AMI UEFI BIOS Flash SOP for DOS with ME	53
AMI UEFI BIOS Flash SOP for SHELL	62
DMI Tool Utilities	65
LAN EEPROM Utilities	70
CHAPTER 3	73
System Disassembly and Assembly	73
Recommended Equipment	77
Pre-disassembly Procedure	77
Disassembly Process	78
Disassembly Flowchart	79
Removing the Stand	81
Removing the Rear Cover	83
Removing the HDD	87
Removing the Converter Board	88
Removing the ODD	89
Removing the Camera	91
Removing the OSD Board	92
Removing the Motherboard Shielding	93
Removing the Display Card	95
Removing the Memory	98
Removing the TV Tuner	99
Removing the WLAN	100
Removing the Touch Pad control board	101
Removing the Speaker	103
Removing the Heatsink	104
Removing the CPU	105
Removing the System Fan	107
Removing the Motherboard	109
Removing the Left & Right Foot Stand (Power LED)	112
Removing the Base Pan	116
Removing the IR	118
Removing the LCD	119
Reassembly Process	122
Assembly Flowchart	123
Replacing the LCD	125
Replacing the IR	128
Replacing the Base Pan	129
Replacing the Left & Right Foot Stand (Power LED)	132
Replacing the Motherboard	136
Replacing the System FAN	139
Replacing the CPU	142
Replacing the Memory	144
Replacing the WLAN	145
Replacing the Display Card	147
Replacing the Speaker	149
Replacing the Touchpad	151
Replacing the TV Tuner	153
Replacing the OSD Board	154
Replacing the Camera	155
Replacing the ODD	157
Replacing the Converter Board	159
Replacing the HDD	162
Replacing the Heatsink	164
Replacing the Motherboard Shielding	166
Replacing the Rear Cover	168
Replacing the Stand	170
Thermal Pad location on base pan	172
Thermal Pad location on different VGA card	173
nVidia GT530	173
nVidia GT520	174
CHAPTER 4	175
Troubleshooting	175
Introduction	177
Hardware Diagnostic Procedure	177
System Check Procedures	177
Power System Check	177
System External Inspection	177
System Internal Inspection	178
Beep Codes	179
Checkpoints	180
BIOS Recovery	182
Calibration SOP of control board	184
Debug Card information	192
Converter board setup	193
CHAPTER 5	195
Jumper and Connector Locations	195
Jumper Setting	198
Setting Jumper	198
CHAPTER 6	201
FRU List	201
AZ5770/AZ5771 Exploded Diagrams	204

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