DELL 755 Reset BIOS Setup Tutorial

Tag: Dell Reset BIOS

Reference Document Address: http://tieba.baidu.com/p/721711019

Optiplex Desktop Series

1, start the computer, when you see the Dell splash screen, press "F2" key to enter the BIOS;
2, press NUM LOCK (Digital lock), Caps lock (case lock), Scroll Lock (Volume screen lock) three keys to the keypad above the corresponding three lights lit;
3, on the premise that three lights are all lit, restore the BIOS settings according to the following methods:
alt+f-factory reset, after this key combination if you hear a crisp "Bi" sound, indicating that the operation was successful;
Alt+e--Clears (releases) the interrupt resource, which is reassigned by the system at the next boot, and if a crisp "Bi" sound is heard after the key is pressed, the operation is successful;
Alt+d--Restores the factory default value of the current cursor option;
Alt+b--Save the changed settings and restart.
Clear Password Method One: After the password input box, enter the password and press the CTRL key and enter key can be cleared;
Clear Password Method Two: Locate the PSWD jumper on the motherboard, unplug the jumper and restart the system, the system will prompt the password has been disabled, and then shut down the system, re-plug the PSWD jumper.

The actual test only needs to press ALT+F after entering the BIOS- -factory reset, after this key combination if you hear a crisp "Bi" sound, indicating that the operation was successful;

DELL 755 Reset BIOS Setup Tutorial