Acer Aspire 4252/4552/4552G_SG

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Replacing the CPU IMPORTANT:The CPU has a Pin1 locator (1) that must be positioned corresponding to the marker (2) on the CPU socket. 1. Place the CPU into the CPU socket as shown, taking note of the Pin1 locator. 1 2 2. Using a slotted screw driver, rotate the CPU locking screw 90° clockwise as shown to secure it in the package. 94 Chapter 3
Replacing the Thermal Module IMPORTANT:Apply suitable thermal pads before replacing the thermal module The following thermal materials are approved for use: • Thermal grease compound • Eapus PSX-D • Thermal pad • Denka FSL-BS B6 1. Remove all traces of thermal material from the CPU and thermal module using a lint-free cloth or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent. 2. Apply a new thermal pad or grease to the center of the processor(s) coming into contact with the thermal module. 3. Align the screw holes on the thermal module to the screw posts on the mainboard, then replace the module. Keep the module as level as possible when replacing. 4. Tighten the five (5) captive screws (in numerical order from 1 to 5) and replace the one (1) screw to secure the CPU thermal module. 6 5 1 3 4 2 Step Size Quantity Screw Type Thermal Module Disassembly M2.5*5.0 Ni (green callout) 2 Chapter 3 95
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Acer Aspire 4252/4552/4552G Service
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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
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Hardware Specifications and Configu
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CPU Fan True Value Table (CPU) Fan
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Memory Combinations Slot 1 Slot 2 T
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Hard Disk Drive Interface (continue
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HDMI Port Item Specification Compli
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Super-Multi Drive Module (continued
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Main Battery Item LCD Inverter (Not
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Card Reader Chipset Features Item S
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Information The Information screen
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Security The Security screen contai
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Changing a Password 1. Use the ↑
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Exit The Exit screen allows you to
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BIOS Flash Utility The BIOS flash m
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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 82 and 83: Removing the CPU 1. See “Removing
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 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
Page 132 and 133: a. Double-click lDE ATA/ATAPI contr
Page 134 and 135: Wireless Function Failure If the WL
Page 136 and 137: Intermittent Problems Intermittent
Page 138 and 139: Code Beeps POST Routine Description
Page 140 and 141: Code Beeps POST Routine Description
Page 142 and 143: Bottom View 2 1 3 4 5 6 7 8 9 10 11
Page 144 and 145: BIOS Recovery by Crisis Disk BIOS R
Page 146 and 147: Acer Aspire 4252/4552/4552G Explode
Page 148 and 149: Acer Aspire 4252/4552/4552G FRU Lis
Page 150 and 151: Category Description P/N CPU/PROCES
Page 152 and 153: 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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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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Acer Aspire 4252/4552/4552G_SG

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