Chapter 5
159
Clearing Password Check and BIOS Recovery
This section provides a procedure for clearing the password and BIOS. The Hardware Open Gap on the main
board clears the CMOS of all user settings and restores factory defaults.
Mainboard CMOS Discharge
Discharging the CMOS clears all user settings.
1.
Disassemble the notebook and take out the 2nd HDD. See “Removing the 2nd HDD Module” on page 59.
2.
Remove the RTC battery. See “Removing the RTC Battery” on page 79.
3.
Turn the mainboard over and short the G2 pad.
4.
Reconnect the RTC battery and reassemble the unit.
Summary of Contents for ASPIRE 7745
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 40: ...30 Chapter 1 ...
Page 56: ...46 Chapter 2 ...
Page 68: ...58 Chapter 3 5 Pull the WLAN module out and away ...
Page 73: ...Chapter 3 63 5 Remove the ODD bracket 6 Pry the ODD bezel off of the ODD module ...
Page 83: ...Chapter 3 73 5 Detach the Bluetooth module cable from the module ...
Page 91: ...Chapter 3 81 4 Lift the thermal module away from the main board ...
Page 96: ...86 Chapter 3 4 Unlock and disconnect the switch board FFC ...
Page 101: ...Chapter 3 91 4 Remove the bezel from the LCD module ...
Page 108: ...98 Chapter 3 5 Pry the right antenna from the casing ...
Page 111: ...Chapter 3 101 3 Lay the cables around the module edge ...
Page 115: ...Chapter 3 105 10 Place the LVDS cable into cable guides ...
Page 118: ...108 Chapter 3 4 Replace the two 2 bezel screws ...
Page 129: ...Chapter 3 119 4 Connect the Bluetooth module cable to the main board ...
Page 136: ...126 Chapter 3 6 Connect and lock the Power board FFC ...
Page 143: ...Chapter 3 133 4 Grasp the tab and slide the HDD firmly into the docking connector ...
Page 145: ...Chapter 3 135 4 Push the ODD completely into the bay until flush with the lower cover ...
Page 148: ...138 Chapter 3 ...
Page 166: ...156 Chapter 4 ...
Page 288: ...278 Appendix B ...
Page 290: ...280 ...