Mainboard CMOS Discharge

Advance Technical Repair of Laptops Motherboard

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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.
Battery Cmos Travelmate 4150
3. Turn the mainboard over and short the G2 pad.
Acer 4310 Cmos Battery
4. Reconnect the RTC battery and reassemble the unit.

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