Acer Aspire 4715Z Aspire 4315 / 4715Z Service Guide - Page 50
Open Normal, power, <F2>, Hardware gap, Default setting, Operation Description
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6. Locate the hardware gap. The gap is highlighted in the illustration below. Hardware gap G67 Default setting Open (Normal) Operation Description Short to clear supervisor and user password. 7. Using an electrical conductivity tool, short the two contacts on the hardware gap together. 8. While resting the tool on the two contacts, plug one end of the AC adapter into the DC-in jack and plug one end to an electrical outlet. 9. Press the power button to turn on the system. 10. After BIOS POST message, remove the tool from the hardware gap. 11. Reinstall the memory modules and lower cover. 12. Restart the system and press during the bootup to enter the BIOS setup screen. 13. Repeat above procedure if the BIOS password is not cleared. 40 Chapter 2