Jumper and Connector Locations
5-7
Clearing Password Check and BIOS Recovery
0
This section provides users with the standard operating procedures of clearing password and
BIOS recovery for the eMachines E644/E644G. The machine provides one Hardware Open
Gap on main board for clearing password check, and one hot key for enabling BIOS
Recovery.
Clearing Password Check
0
NOTE:
NOTE
:
The following procedure is only for clearing BIOS Password (Supervisor Password and
User Password).
Steps for Clearing BIOS Password Check
0
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:
1.
Remove power from the system.
2.
Remove HDD, AC and Battery.
3.
Disconnect the RTC Battery
4.
Locate the R582 jumper.
5.
Use an electric conductivity tool to short the two points of the R582 jumper.
6.
Plug in AC, keeping the R582 jumper shorted.
7.
Press
Power Button
until BIOS POST is finished, then remove the conductivity tool from
the R582 jumper.
8.
Restart the system. Press
F2
to enter BIOS Setup menu.
9.
If there is no Password request, BIOS Password is cleared.
10. If a password is requested, repeat Steps 1 through 9.
Summary of Contents for E644
Page 1: ...eMachines E644 E644G SERVICEGUIDE ...
Page 4: ...iv ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 53: ...CHAPTER 2 System Utilities ...
Page 80: ...2 28 System Utilities ...
Page 81: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 84: ...3 4 ...
Page 118: ...3 38 Machine Maintenance Procedures ID Size Quantity Screw Type B ICW50 CPU Thermal Screw 4 ...
Page 135: ...CHAPTER 4 Troubleshooting ...
Page 162: ...4 28 Troubleshooting ...
Page 163: ...CHAPTER 5 Jumper and Connector Locations ...
Page 172: ...5 10 Jumper and Connector Locations ...
Page 173: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 174: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 18 ...
Page 191: ...CHAPTER 7 Model Definition and Configuration ...
Page 192: ...7 2 eMachines E644 7 3 eMachines E644G 7 8 ...
Page 200: ...7 10 Model Definition and Configuration ...
Page 201: ...CHAPTER 8 Test Compatible Components ...
Page 202: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 212: ...8 12 Test Compatible Components ...
Page 213: ...CHAPTER 9 Online Support Information ...
Page 214: ...9 2 Introduction 9 3 ...
Page 216: ...9 4 Online Support Information ...