Acer Aspire 4252/4552/4552G_SG

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Removing the CPU 1. See “Removing the Thermal Module” on page 70. 2. Using a slotted screw driver, rotate the CPU locking screw 90° counter-clockwise as shown. 3. Carefully lift the CPU clear of the socket. IMPORTANT:Place the CPU on a clean, dry surface when it is not installed. 72 Chapter 3
Removing the Mainboard 1. See “Removing the CPU” on page 72. 2. Disconnect the speaker cable from the mainboard connector. 3. Remove the one (1) securing screw from the mainboard. Step Size Quantity Screw Type Mainboard Disassembly M2.5*5.0 Ni 2 Chapter 3 73
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Acer Aspire 4252/4552/4552G Service
Page 3 and 4:
Copyright Copyright © 2010 by Acer
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Preface Before using this informati
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Table of Contents Removing the Blue
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Table of Contents X
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Graphics Aspire 4252 and 2552 • A
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Input and control • Keyboard •
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System Block Diagram 25MHz LAN BROA
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# Icon Item Description 8 Power ind
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5 Emergency eject hole Base View No
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Touchpad Basics The following items
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Windows Keys The keyboard has two k
Page 26 and 27:
Hardware Specifications and Configu
Page 28 and 29:
CPU Fan True Value Table (CPU) Fan
Page 30 and 31:
Memory Combinations Slot 1 Slot 2 T
Page 32 and 33: Hard Disk Drive Interface (continue
Page 34 and 35: HDMI Port Item Specification Compli
Page 36 and 37: Super-Multi Drive Module (continued
Page 38 and 39: Main Battery Item LCD Inverter (Not
Page 40 and 41: Card Reader Chipset Features Item S
Page 42 and 43: Information The Information screen
Page 44 and 45: Security The Security screen contai
Page 46 and 47: Changing a Password 1. Use the ↑
Page 48 and 49: Exit The Exit screen allows you to
Page 50 and 51: BIOS Flash Utility The BIOS flash m
Page 52 and 53: Removing BIOS Passwords: If you key
Page 54 and 55: Miscellaneous Utilities Using Boot
Page 56 and 57: 46 Chapter 2
Page 58 and 59: Pre-disassembly Instructions Before
Page 60 and 61: External Modules Disassembly Proces
Page 62 and 63: Removing the SD Dummy Card 1. See
Page 64 and 65: 5. Unlock the keyboard FPC and disc
Page 66 and 67: 4. Remove the ODD bezel by rotating
Page 68 and 69: Removing the Lower Cover 1. See “
Page 70 and 71: Removing the DIMM Modules 1. See
Page 72 and 73: 4. Detach and remove the WLAN board
Page 74 and 75: Removing the RTC Battery 1. See “
Page 76 and 77: Removing the HDD Module 1. See “R
Page 78 and 79: Removing the LCD Module 1. See “R
Page 80 and 81: Removing the Thermal Module 1. See
Page 84 and 85: 4. Lift the mainboard away the lowe
Page 86 and 87: Removing the LCD Bezel 1. See “Re
Page 88 and 89: Removing the Camera Module 1. See
Page 90 and 91: 4. Lift the LCD panel clear of the
Page 92 and 93: Removing the WLAN Antennas 1. See
Page 94 and 95: Replacing the LVDS Cable 1. Turn th
Page 96 and 97: Removing the LCD Panel 1. Place the
Page 98 and 99: Replacing the Camera Module 1. Conn
Page 100 and 101: 4. Apply pressure along the bottom
Page 102 and 103: Main Unit Assembly Process Replacin
Page 104 and 105: Replacing the CPU IMPORTANT:The CPU
Page 106 and 107: 5. Connect the fan cable as shown.
Page 108 and 109: 3. Connect and lock the LVDS cable.
Page 110 and 111: 3. Connect the Bluetooth cable to t
Page 112 and 113: Step Size Quantity Screw Type HDD M
Page 114 and 115: Replacing the USB Board 1. Place th
Page 116 and 117: 3. Connect the two (2) antenna cabl
Page 118 and 119: Replacing the Lower Cover 1. Place
Page 120 and 121: 3. Push the ODD module into the ODD
Page 122 and 123: Replacing the SD dummy card 1. Inse
Page 124 and 125: Power On Issue If the system doesn
Page 126 and 127: Abnormal Video Display If video dis
Page 128 and 129: Touchpad Failure If the Touchpad do
Page 130 and 131: HDD Not Operating Correctly If the
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a. Double-click lDE ATA/ATAPI contr
Page 134 and 135:
Wireless Function Failure If the WL
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Intermittent Problems Intermittent
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Code Beeps POST Routine Description
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Code Beeps POST Routine Description
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Bottom View 2 1 3 4 5 6 7 8 9 10 11
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BIOS Recovery by Crisis Disk BIOS R
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Acer Aspire 4252/4552/4552G Explode
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Acer Aspire 4252/4552/4552G FRU Lis
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Category Description P/N CPU/PROCES
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LCD Category Description P/N Keyboa
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Category Description P/N LCD BRACKE
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Appendix A Model Definition and Con
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Model Country Acer Part No Memory 1
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AS4552- P541G32Mnrr AS4552- P542G25
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Model Country Acer Part No BOM Name
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Page 166 and 167:
AS4552G- N954G75Mnrr AS4552G- N954G
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Model Country Acer Part No BOM Name
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Vendor Type Description P/N AMDISS
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164 Appendix B
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166 Appendix C
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R S T U W RTC Battery 70, 97 SD Car
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