Aspire One D255 Series_SG - Acer Support

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Table of Contents VIII Removing the Button Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Removing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82 Removing the Camera Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 Removing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Removing the Microphone Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 Removing the LCD Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88 Removing the 3G and WLAN Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89 LCD Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Replacing the 3G and WLAN Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Replacing the LCD Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 Replacing Microphone Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 Replacing the LVDS Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Replacing the CCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Replacing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Main Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Replacing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Replacing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 Replacing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Replacing the Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107 Replacing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108 Replacing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108 Replacing the LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109 Replacing the Button Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110 Replacing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 Replacing the WLAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 Replacing the 3G Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 Replacing the HDD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117 Replacing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Replacing the Lower Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120 Replacing the 3G Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121 Replacing the SD Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 Troubleshooting 125 Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125 Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126 No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127 Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128 LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129 Built-In Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129 Touch Pad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 Internal Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132 HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133 USB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Table of Contents Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 3G Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Cosmetic Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136 Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138 Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139 Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139 Post Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 Sec: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 Memory: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 BDS & Specific action: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141 Each PEIM entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142 Each Driver entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . .142 Each SmmDriver entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . .145 Jumper and Connector Locations 147 Mainboard Bottom View (DDR3 Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 Clearing Password Check and BIOS Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 FRU (Field Replaceable Unit) List 151 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152 Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152 Logic Lower Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153 Logic Upper Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154 LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155 Aspire D255 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156 Screw List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176 Model Definition and Configuration 177 Aspire D255 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 Test Compatible Components 255 Online Support Information 259 Index 261 IX
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 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 18 and 19: Closed Front View # Component Icon
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
Page 70 and 71:
Main Unit Disassembly Process Main
Page 72 and 73:
4. Remove the four (4) remaining sc
Page 74 and 75:
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 126 and 127:
Replacing the 3G Module 1. Push the
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
Page 177 and 178:
Category Description P/N LCD BRACKE
Page 179 and 180:
Category Description P/N ANTENNA 3G
Page 181 and 182:
Category Description P/N LED LCD AU
Page 183 and 184:
MAINBOARD Category Description P/N
Page 185 and 186:
Category Description P/N LCD GASKET
Page 187 and 188:
Model Definition and Configuration
Page 189 and 190:
Model RO Country Acer Part No Descr
Page 191 and 192:
Page 193 and 194:
Page 195 and 196:
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
Page 215 and 216:
Page 217 and 218:
Model Country Acer Part No BOM Name
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Page 225 and 226:
Page 227 and 228:
Page 229 and 230:
Page 231 and 232:
Page 233 and 234:
Page 235 and 236:
Model Country Acer Part No Memory 1
Page 237 and 238:
Page 239 and 240:
Page 241 and 242:
Page 243 and 244:
Page 245 and 246:
Page 247 and 248:
Page 249 and 250:
Page 251 and 252:
Page 253 and 254:
Model Country Acer Part No Wireless
Page 255 and 256:
Page 257 and 258:
Page 259 and 260:
Page 261 and 262:
Page 263 and 264:
Page 265 and 266:
Test Compatible Components Microsof
Page 267 and 268:
Vendor Type Description P/N WD N320
Page 269 and 270:
Online Support Information Appendix
Page 271 and 272:
A B C D E F Antennas Removing 89 Ba
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