Acer 7715Z Instrukcja Użytkownika Strona 48
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38 Chapter 2
Removing BIOS Passwords:
To clear the User or Supervisor passwords, open the RAM door and use a metal instrument to short the J1
jumper.
Cleaning BIOS Passwords
To clean the User or Supervisor passwords, perform the following steps:
1. From a DOS prompt, execute clnpwd.exe
2. Press 1 or 2 to clean the desired password shown on the screen.
The onscreen message determines whether the function is successful or not.
- Aspire 7715Z/7315 Series 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- System Block Diagram 13
- Your Acer Notebook tour 14
- Closed Front View 15
- Rear View 16
- Left View 16
- Right View 17
- Indicators 18
- TouchPad Basics 19
- Using the Keyboard 20
- Windows Keys 21
- Hot Keys 22
- 20 Chapter 1 30
- System Utilities 31
- HM70-MV Intel BIOS 32
- Advanced 34
- Security 36
- Setting a Password 37
- Removing a Password 37
- Changing a Password 38
- BIOS Flash Utilities 43
- DOS Flash Utility 44
- Chapter 2 35 45
- WinFlash Utility 46
- Using Boot Sequence Selector 49
- Using DMITools 50
- 42 Chapter 2 52
- Disassembly Requirements 53
- Chapter 3 53
- Pre-disassembly Instructions 54
- Disassembly Process 54
- Removing the Battery Pack 56
- Removing the SD Dummy Card 57
- Removing the Lower Covers 58
- Removing the DIMM Modules 61
- Removing the WLAN Module 62
- 54 Chapter 3 64
- Chapter 3 55 65
- Step Size Quantity Screw Type 65
- HDD Carrier M3*3 4 65
- Main Unit Disassembly Process 66
- Removing the Switch Cover 67
- Removing the Keyboard 68
- Removing the LCD Module 69
- 60 Chapter 3 70
- Removing the Upper Cover 73
- 64 Chapter 3 74
- Removing the Power Board 77
- 68 Chapter 3 78
- Removing the TouchPad Bracket 82
- Chapter 3 73 83
- TouchPad Bracket M2*3 2 83
- Removing the Mainboard 84
- Removing the RTC Battery 85
- Removing the Thermal Module 86
- Chapter 3 77 87
- Removing the CPU Fan 88
- Chapter 3 79 89
- Removing the CPU 90
- Removing the LCD Bezel 92
- Removing the Camera Module 93
- Removing the LCD Panel 94
- Chapter 3 85 95
- Chapter 3 87 97
- Removing the Antennas 98
- Chapter 3 89 99
- 90 Chapter 3 100
- Replacing the Antennas 101
- Chapter 3 93 103
- Replacing the LCD Panel 104
- Replacing the Camera Module 106
- Replacing the LCD Bezel 107
- 98 Chapter 3 108
- Replacing the CPU 109
- Replacing the CPU Fan 110
- Replacing the Thermal Module 110
- Replacing the Mainboard 111
- Chapter 3 103 113
- Replacing the Power Board 116
- Replacing the Upper Cover 116
- Chapter 3 107 117
- 108 Chapter 3 118
- Chapter 3 109 119
- Replacing the LCD Module 120
- Rear Securing 121
- Chapter 3 113 123
- 114 Chapter 3 124
- Replacing the Keyboard 125
- Replacing the Switch Cover 126
- Chapter 3 117 127
- Replacing the WLAN Module 128
- Replacing the DIMM Modules 128
- Replacing the ODD Module 129
- Replacing the Lower Covers 129
- Replacing the SD Dummy Card 130
- Replacing the Battery 131
- 122 Chapter 3 132
- Troubleshooting 133
- Power On Issue 134
- No Display Issue 135
- Random Loss of BIOS Settings 136
- LCD Failure 137
- Built-In Keyboard Failure 137
- TouchPad Failure 138
- Internal Speaker Failure 138
- Sound Problems 139
- Microphone Problems 139
- HDD Not Operating Correctly 140
- ODD Failure 141
- Discs Do Not Play 142
- Discs Do Not Burn Properly 142
- Playback is Choppy 142
- Drive Not Detected 143
- Drive Read Failure 143
- Wireless Function Failure 144
- Thermal Unit Failure 144
- External Mouse Failure 145
- Other Failures 145
- Intermittent Problems 146
- Undetermined Problems 146
- Post Codes 147
- BDS & Specific action: 148
- Chapter 4 139 149
- Code Description 149
- Chapter 5 155
- Bottom View 156
- Power Board 157
- LS-4852P ODD Board 157
- LS-4853P Battery Board 158
- LS-4854P Lid Board 158
- Clearing Password Check 159
- Clear CMOS Jumper 159
- BIOS Recovery by Crisis Disk 160
- Chapter 6 161
- Main Assembly 162
- Base Assembly 163
- Rear Assembly 164
- Aspire 7715Z/7315 FRU List 165
- 156 Chapter 6 166
- Chapter 6 157 167
- 158 Chapter 6 168
- Chapter 6 159 169
- 160 Chapter 6 170
- Chapter 6 161 171
- 162 Chapter 6 172
- Screw List 173
- Appendix A 174
- Aspire 7315 175
- Aspire 7715Z 177
- Test Compatible Components 191
- Microsoft 192
- 7 Environment Test 192
- Online Support Information 195
- 186 Appendix C 196
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