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Chapter 5
149
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 Mainboard. See “Removing the Mainboard” on page 71.
2.
Remove the RTC battery. See “Removing the RTC Battery” on page 75.
3.
Turn the mainboard over and short the G2 pad.
4.
Reconnect the RTC battery and reassemble the unit.
Содержание AO752
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 34: ...24 Chapter 1 ...
Страница 50: ...40 Chapter 2 ...
Страница 59: ...Chapter 3 49 9 Detach the HDD board ...
Страница 61: ...Chapter 3 51 5 Pull the memory module out 6 Repeat steps 4 and 5 for the second memory module ...
Страница 73: ...Chapter 3 63 7 Unlock the touch pad FCC and pull the cable away ...
Страница 77: ...Chapter 3 67 4 Lift off the LCD Board 5 Unlock and remove the LED board FCC from the mainboard ...
Страница 87: ...Chapter 3 77 4 Pull the cables away from the two adhesive locations 5 Lift the modules away ...
Страница 91: ...Chapter 3 81 5 Roll the bezel up and away from the hinges ...
Страница 94: ...84 Chapter 3 4 Lift the LCD panel out lifting the bottom of the panel first ...
Страница 99: ...Chapter 3 89 7 Lift up the right antenna 8 Pull the right antenna cable away from the LCD module ...
Страница 106: ...96 Chapter 3 3 Apply adhesive and stick the microphone down ...
Страница 113: ...Chapter 3 103 Replacing the RTC Battery 1 Place the RTC battery into the holding clips on the main board ...
Страница 117: ...Chapter 3 107 3 Connect the speaker connector ...
Страница 135: ...Chapter 3 125 4 Tighten the four captive screws ...
Страница 137: ...Chapter 3 127 4 Place the HDD cover in from one corner 5 Tighten the two captive screws ...
Страница 138: ...128 Chapter 3 Replacing the Battery 1 Slide the battery into position 2 Close the locking latch ...
Страница 139: ...Chapter 3 129 Replace the Dummy Card Push the dummy card into the slot until it clicks into place ...
Страница 140: ...130 Chapter 3 ...
Страница 240: ...230 Appendix A ...
Страница 250: ...240 Appendix B ...
Страница 252: ...242 ...
Страница 255: ...245 ...
Страница 256: ...246 ...