![]() This will restore the BIOS back to the factory default settings.Į). Press and hold the laptop’s Power on button for 30 seconds and then release. Check the battery type, printed on the battery itself, to verify the type number in case it is different.ĭ). Usually the battery is a CR2032 Lithium coin cell battery that is available most everywhere. When the battery is removed from the laptop, use a DMM (voltmeter function) to measure the battery’s voltage. Note the orientation of the battery for when you have to re-insert it. Click on Contents > Coin cell battery to view the necessary pre-requisite steps and then the procedure to remove the battery. Here’s the service manual for the laptop. Disassemble the laptop and remove the coin cell RTC battery from the motherboard. Remove the main battery from the laptop.Ĭ). Try a full power refresh in case the BIOS has become corrupted and is preventing a normal start i.e the laptop is not passing POST (Power On Self Test)ī). ![]()
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