Chapter 5
171
Clearing Password Check and BIOS Recovery
This section provide you the standard operating procedures of clearing password and BIOS recovery for
Aspire 4930. Aspire 4930 provide one Hardware Open Gap on main board for clearing password check, and
one Hotkey for enabling BIOS Recovery.
Clearing Password Check
Hardware Open Gap Description
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask
the password during systems POST or when systems enter to BIOS Setup menu. However, once it is
necessary to bypass the password check, users need to short the HW Gap to clear the password by the
following steps:
•
Power Off a system, and remove HDD, AC and Battery from the machine.
•
Open the back cover of the machine, and find out the HW Gap on M/B as picture.
•
Use an electric conductivity tool to short the two points of the HW Gap.
•
Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the
system till BIOS POST finish. Then remove the tool from the HW Gap.
•
Restart system. Press F2 key to enter BIOS Setup menu.
•
If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and
try again.
NOTE:
The steps are only for clearing BIOS Password (Supervisor Password and User Password).
Item
Description
R347 (RTC_RST)
Clear CMOS Jumper
Summary of Contents for Aspire 4930 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 48: ...38 Chapter 1 ...
Page 63: ...Chapter 2 53 ...
Page 65: ...Chapter 2 55 ...
Page 66: ...56 Chapter 2 ...
Page 74: ...64 Chapter 3 6 Remove the HDD cover as shown 7 Remove the WLAN cover as shown ...
Page 79: ...Chapter 3 69 5 Remove the HDD from the carrier ...
Page 88: ...78 Chapter 3 Removing the Antenna 1 Remove the Antenna Cables from the securing pins as shown ...
Page 91: ...Chapter 3 81 6 Place the antenna cable as shown to avoid damaging them ...
Page 102: ...92 Chapter 3 13 Remove the Finger Print Reader board from the Upper Cover ...
Page 104: ...94 Chapter 3 13 Remove the Launch Board from the Upper Cover ...
Page 119: ...Chapter 3 109 18 Disconnect the DC IN Cable from the Mainboard ...
Page 121: ...Chapter 3 111 14 Lift the Thermal Module clear of the Mainboard ...
Page 123: ...Chapter 3 113 15 Lift the CPU clear of the Mainboard ...
Page 127: ...Chapter 3 117 14 Remove the HDMI Module as shown ...
Page 130: ...120 Chapter 3 10 Lift up the bezel rightside first and remove it from the LCD Module ...
Page 134: ...124 Chapter 3 11 Lift the Camera Module clear of the LCD Module ...
Page 138: ...128 Chapter 3 12 Remove the LCD brackets by pulling away from the LCD Panel as shown ...
Page 160: ...150 Chapter 3 ...
Page 191: ...Chapter 6 181 ...
Page 214: ...Appendix A 204 ...
Page 218: ...208 Appendix B ...
Page 220: ...210 Appendix C ...