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Acer DT85 manual 152

Models: DT85

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Troubleshooting Specifications Error codes System block diagram Bluetooth Password Buttons/Indicators/Ports Replacing the wireless card Diagnosing problems Bios setup utility

Page 158

	CHAPTER 4: Troubleshooting

Code Beeps	POST Routine Description

F6h	Clear Huge Segment

F7h	Boot to Full DOS

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Acer DT85 manual 152

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Contents

Service Guide Revision History Contents Replacing notebook components Troubleshooting Iii Appendix C Online support information System specifications General information PrefaceConventions Following conventions are used in this manual Features Platform Input devices Security System block diagram Processor Hardware specificationsSpecification Controllers Bios Memory Hard Drive Optical drive LCD Audio Video Specification Memory card reader KeyboardPointing device Bluetooth Wired LANWireless LAN Buttons/Indicators/Ports Webcam Cooling fan BatteryProcessor temperature C Fan speed rpm Acoustic level dBA AC adapter It is not safe to disassemble the machine in this state Power managementAcpi mode Description To disassemble the machine in this state Front View Icon Description Left View Icon Right View Rear View Top View Mouse Bottom View Keyboard Key types System key combinations Touchpad Webcam Double-clicking System specifications System utilities Bios setup utility KBC Navigating the Bios setup utility Bios setup utility menus Information Parameter Description Main Enabled Parameter Description Format/Options F10 Parameter Description Option Set Supervisor Password or Set User Password box opens Set Supervisor Password or Set User Password box opens Boot Exit Performing a Bios recovery Bios recoveryCreating the Crisis Recovery disk Running the Flash utility Clearing a Bios password G35 System utilities Unlocking the hard drive System utilities Replacing notebook components Preventing static electricity discharge Tape Preparing the work space Required tools Preparing the notebook Replacing notebook components Pull the memory card out of its slot Removing the battery Removing the bay cover To remove the bay cover Replacing notebook components Adding or replacing memory modules To add or replace memory modules Replacing the wireless card Detach the bar code sticker covering the antenna cablesPage Replacing notebook components Replacing the hard drive Remove the hard drive screw Replacing notebook components Page Remove the hard drive cover screws Remove the hard drive screw Replacing notebook components Replacing the optical drive Remove the optical drive screw Replacing notebook components Page Replacing the thermal module To replace the thermal modulePage Replacing notebook components Replacing the CPU To replace the CPU Replacing notebook components Replacing the VGA board for discrete models Remove the VGA board Replacing the keyboard To replace the keyboard Replacing notebook components Replacing the keyboard cover To replace the keyboard cover Left and right media boards are glued to the keyboard cover Replacing the power button board Replacing notebook components Replacing the LCD panel assembly Replacing notebook components Page Replacing notebook components Replacing the palm rest Replacing notebook components Page Replacing the touchpad board Remove the touchpad board cable from the palm rest Page Page Replacing the touchpad button board Page Replacing the USB board Page Replacing notebook components Replacing the Bluetooth module 100 Replacing the modem board 101 102 Replacing the coin-cell battery 103 104 Replacing the dc-in cable 105 106 Replacing the system board 107 108 109 110 Replacing the left and right speakers 111 112 113 Replacing the subwoofer 114 115 Replacing the LCD front panel 116 117 118 Replacing the inverter board 119 120 Replacing the LCD 121 122 123 124 125 Replacing the LCD panel hinge brackets 126 127 Replacing the microphone 128 129 Replacing the webcam 130 131 Replacing the antennas 132 133 Replacing the LCD assembly lid 134 135 136 Troubleshooting Diagnosing problems 138 Testing the keyboard or auxiliary input device System test proceduresTesting the optical drive 139 140 Testing the memoryTesting the power system Check the battery pack 141 Testing the touchpad 142 Power-On Self-Test Post error message 143 Error messages Index of error messagesError codes 144 145 Cmos 146 No-beep error messagesNo-beep Error Messages FRU/Action in Sequence Code Beeps Post Routine Description Phoenix Bios beep codes147 148 149 150 151 152 Symptom / Error Action in Sequence Symptom-to-FRU error messagesPower 153 Sound 154Memory Card Keyboard and touchpad 155Devices 156 Intermittent problemsRerun the test to verify that there are no more errors Undetermined problems 157 158 System board layout EasyNote DT85 system board 160 161 162 FRU Field-Replaceable Unit list Introduction 164 Exploded diagram 165 FRU list 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 Appendix a 184 VHB32BTTR1 DDR2 BII6 185 VHB32BWW1 DDR2 BII6 186 187 188 Appendix B 190 191 Specification CRT Port TestMicrosoft Windows Vista Environment Test Hdmi Port Test Express Card Test Bluetooth Device Test192 Specification Multimedia Card Test 193 194 Appendix C Online Support Information 196 197 198 199 200 Page MAN SJV-80 SVC GDE R1 06/09

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