Aspire One D255 Series_SG - Acer Support

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Closed Front View # Component Icon Description 1 Power indicator Indicates the computer's power status. Rear View NOTE: Your computer may be equipped with a different battery to the one in the picture. Left View Battery indicator Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. HDD indicator Indicates when the hard disk drive is active. Communication indicator Indicates the status of 3G/Wireless LAN communication. Blue light on Orange light on Not lit 3G on / Wi-Fi on 3G on / Wi-Fi off 3G off / Wi-Fi on 3G off / Wi-Fi off # Component Icon Description 1 Battery bay Houses the computer’s battery pack. # Component Icon Description 1 DC-in jack Connects to an AC adapter. 2 External display (VGA) port 1 1 1 2 3 Connects to a display device (e.g., external monitor, LCD projector). 3 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB camera, etc.). 8 Chapter 1
Right View # Component Icon Description 1 2-in-1 card reader Accepts Secure Digital (SD), MultiMediaCard (MMC). Note: Push to remove/install the card. Only one card can operate at any given time. 2 Microphone-in jack Accepts input from external microphones. Headphone/ speaker/line-out jack Connects to line-out audio devices (e.g., speakers, headphones). 3 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse). 4 Kensington lock slot 5 Ethernet (RJ-45) port 1 2 3 4 5 Connects to a Kensington-compatible computer security lock. Connects to an Ethernet 10/100-based network. Chapter 1 9
Page 1 and 2: Aspire One D255 Series Service Guid
Page 3 and 4: Copyright Copyright © 2010 by Acer
Page 5: Preface Before using this informati
Page 8 and 9: Table of Contents VIII Removing the
Page 10 and 11: Table of Contents X
Page 12 and 13: Color options Display • Aquamarin
Page 14 and 15: Software • Productivity • Acer
Page 16 and 17: DDR3 Thermal Sensor EMC1402 MINI Ca
Page 20 and 21: Bottom View 1 2 # Component Icon De
Page 22 and 23: Using the Keyboard The Acer Aspire
Page 24 and 25: Hot Keys The computer employs hotke
Page 26 and 27: Hardware Specifications and Configu
Page 28 and 29: Video Interface Item Specification
Page 30 and 31: Hard Disk Drive Interface Vendor &
Page 32 and 33: LCD Display Supported Resolution Re
Page 34 and 35: I/O Ports Item Specification I/O su
Page 36 and 37: 26 Chapter 1
Page 38 and 39: Information The Information screen
Page 40 and 41: Security The Security screen contai
Page 42 and 43: Changing a Password 1. Use the ↑
Page 44 and 45: Exit The Exit screen allows you to
Page 46 and 47: DOS Flash Utility Perform the follo
Page 48 and 49: WinFlash Utility Perform the follow
Page 50 and 51: Removing BIOS Passwords: To clear t
Page 52 and 53: Example 1: Read DMI Information fro
Page 54 and 55: Creating a USB Flash Crisis Disk 1.
Page 56 and 57: General Information Pre-disassembly
Page 58 and 59: Removing the Battery Pack 1. Turn c
Page 60 and 61: Removing the 3G Card 1. See “Remo
Page 62 and 63: 5. Unlock the FPC. 6. Remove the FP
Page 64 and 65: 4. Turn the computer over and remov
Page 66 and 67: 5. Remove the four (4) screws, two
Page 68 and 69:
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
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5. Remove the two (2) screws securi
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Removing the Bluetooth Module 1. Se
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5. Remove the four (4) screws from
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5. Disconnect the DC-In cable from
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NOTE: Circuit boards >10 cm² have
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8. Remove the LCD module from the c
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Removing the LCD Bezel 1. See “Re
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Removing the LCD Panel 1. CAUTION:
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7. Remove the camera cable from the
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Removing the LCD Brackets 1. See
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5. Remove the left 3G antenna. 6. R
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4. Replace the adhesive foam paddin
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Replacing Microphone Module 1. Adhe
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3. Place the LCD panel onto the LCD
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2. Press down around the entire per
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3. Place the right antenna cables u
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Replacing the Thermal Module IMPORT
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3. Replace the two (2) screws to se
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9. Adhere the LVDS cable to the adh
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Replacing the RTC Battery 1. Place
Page 120 and 121:
Replacing the Button Board 1. Place
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Replacing the Upper Cover 1. Place
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5. Connect and lock the LED FFC to
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Replacing the 3G Module 1. Push the
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4. Push the HDD module forward to e
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2. Secure the lower cover to the ch
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Replacing the SD Dummy Card 1. Inse
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124 Chapter 3
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Power On Issue If the system doesn
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Abnormal Video Display If video dis
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Touch Pad Failure If the TouchPad d
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Internal Microphone Failure If the
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USB Failure If the USB fails, perfo
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Cosmetic Failure If an external com
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13. If the Issue is still not resol
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Post Codes Sec: These tables descri
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Each PEIM entry point used in 80_PO
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Code Description 0x72 MONITER_KEY 0
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146 Chapter 4
Page 158 and 159:
Mainboard Bottom View (DDR3 Model)
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BIOS Recovery by Crisis Disk BIOS R
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Exploded Diagrams Main Assembly 1 2
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Logic Upper Assembly 1 2 No. Descri
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Aspire D255 FRU List Category ADAPT
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Category Description P/N LOWER CASE
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Category Description P/N Keyboard A
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Category Description P/N ANTENNA WL
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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
Page 269 and 270:
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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