Aspire One D255 Series_SG - Acer Support

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Replacing the 3G Module 1. Push the 3G module into the connector. 2. Secure the 3G module to the chassis using one (1) screw. Step Size Quantity Screw Type 3G Module M2*3 1 3. Secure the two (2) antennas to the connectors. NOTE: Cable placement is YELLOW to the MAIN terminal (closest to the edge of the computer) and BLUE to the AUX terminal (closest to the HDD). 116 Chapter 3
Replacing the HDD Module 1. Place the HDD into the carrier. 2. Secure the four (4) screws, two (2) on each side, to secure the HDD carrier. Step Size Quantity Screw Type HDD Module M3*3 Ni 4 3. Place the HDD module into the HDD bay. Chapter 3 117
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Aspire One D255 Series Service Guid
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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 VIII Removing the
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Table of Contents X
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Color options Display • Aquamarin
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Software • Productivity • Acer
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DDR3 Thermal Sensor EMC1402 MINI Ca
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Closed Front View # Component Icon
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Bottom View 1 2 # Component Icon De
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Using the Keyboard The Acer Aspire
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Hot Keys The computer employs hotke
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Hardware Specifications and Configu
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Video Interface Item Specification
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Hard Disk Drive Interface Vendor &
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LCD Display Supported Resolution Re
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I/O Ports Item Specification I/O su
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26 Chapter 1
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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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DOS Flash Utility Perform the follo
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WinFlash Utility Perform the follow
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Removing BIOS Passwords: To clear t
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Example 1: Read DMI Information fro
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Creating a USB Flash Crisis Disk 1.
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General Information Pre-disassembly
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Removing the Battery Pack 1. Turn c
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Removing the 3G Card 1. See “Remo
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5. Unlock the FPC. 6. Remove the FP
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4. Turn the computer over and remov
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5. Remove the four (4) screws, two
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4. Remove the 3G module from the 3G
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Main Unit Disassembly Process Main
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4. Remove the four (4) remaining sc
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8. Use a plastic tool to unlock the
Page 76 and 77: 5. Remove the two (2) screws securi
Page 78 and 79: Removing the Bluetooth Module 1. Se
Page 81 and 82: 5. Remove the four (4) screws from
Page 83: 5. Disconnect the DC-In cable from
Page 87 and 88: NOTE: Circuit boards >10 cm² have
Page 90 and 91: 8. Remove the LCD module from the c
Page 92 and 93: Removing the LCD Bezel 1. See “Re
Page 94 and 95: Removing the LCD Panel 1. CAUTION:
Page 96 and 97: 7. Remove the camera cable from the
Page 98 and 99: Removing the LCD Brackets 1. See
Page 100 and 101: 5. Remove the left 3G antenna. 6. R
Page 102 and 103: 4. Replace the adhesive foam paddin
Page 104 and 105: Replacing Microphone Module 1. Adhe
Page 106 and 107: 3. Place the LCD panel onto the LCD
Page 108 and 109: 2. Press down around the entire per
Page 110 and 111: 3. Place the right antenna cables u
Page 112 and 113: Replacing the Thermal Module IMPORT
Page 114 and 115: 3. Replace the two (2) screws to se
Page 116 and 117: 9. Adhere the LVDS cable to the adh
Page 118 and 119: Replacing the RTC Battery 1. Place
Page 120 and 121: Replacing the Button Board 1. Place
Page 122 and 123: Replacing the Upper Cover 1. Place
Page 124 and 125: 5. Connect and lock the LED FFC to
Page 128 and 129: 4. Push the HDD module forward to e
Page 130 and 131: 2. Secure the lower cover to the ch
Page 132 and 133: Replacing the SD Dummy Card 1. Inse
Page 134 and 135: 124 Chapter 3
Page 136 and 137: Power On Issue If the system doesn
Page 138 and 139: Abnormal Video Display If video dis
Page 140 and 141: Touch Pad Failure If the TouchPad d
Page 142 and 143: Internal Microphone Failure If the
Page 144 and 145: USB Failure If the USB fails, perfo
Page 146 and 147: Cosmetic Failure If an external com
Page 148 and 149: 13. If the Issue is still not resol
Page 150 and 151: Post Codes Sec: These tables descri
Page 152 and 153: Each PEIM entry point used in 80_PO
Page 154 and 155: Code Description 0x72 MONITER_KEY 0
Page 156 and 157: 146 Chapter 4
Page 158 and 159: Mainboard Bottom View (DDR3 Model)
Page 160 and 161: BIOS Recovery by Crisis Disk BIOS R
Page 162 and 163: Exploded Diagrams Main Assembly 1 2
Page 164 and 165: Logic Upper Assembly 1 2 No. Descri
Page 166 and 167: Aspire D255 FRU List Category ADAPT
Page 168 and 169: Category Description P/N LOWER CASE
Page 170 and 171: Category Description P/N Keyboard A
Page 173 and 174: Category Description P/N ANTENNA WL
Page 175 and 176: Category Description P/N LCD BEZEL
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Category Description P/N LCD BRACKE
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Category Description P/N ANTENNA 3G
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Category Description P/N LED LCD AU
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MAINBOARD Category Description P/N
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Category Description P/N LCD GASKET
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Model Definition and Configuration
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Model RO Country Acer Part No Descr
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Model Country Acer Part No BOM Name
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Wireless
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Test Compatible Components Microsof
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Vendor Type Description P/N WD N320
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Online Support Information Appendix
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A B C D E F Antennas Removing 89 Ba
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Aspire One D255 Series_SG - Acer Support

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