Service Manual
Table Of Contents
- Precision 3660 Tower Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 3660 Tower
- Side cover
- Front bezel
- 3.5 in. hard-drive assembly
- Removing the 3.5-inch hard-disk drive assembly (Bay-1)
- Removing the 3.5-inch hard-disk drive assembly (Bay-2)
- Removing the 3.5-inch hard-disk drive bracket
- Installing the 3.5-inch hard-disk drive bracket
- Installing the 3.5-inch hard-disk drive assembly (Bay-2)
- Installing the 3.5-inch hard-disk drive assembly (Bay-1)
- Solid-state drive
- WLAN card
- WLAN antenna
- Coin-cell battery
- Memory module
- GPU end holder
- Expansion card
- Power-supply unit
- Processor fan and heat-sink assembly
- Liquid cooler
- Processor
- Chassis fan
- Power button
- Intrusion switch
- Intrusion speaker
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Steps
1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer.
2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys
then press Enter.
The flash BIOS menu is displayed.
3. Click Flash from file.
4. Select external USB device.
5. Select the file and double-click the flash target file, and then click Submit.
6. Click Update BIOS. The computer restarts to flash the BIOS.
7. The computer will restart after the BIOS update is completed.
System and setup password
Table 19. System and setup password
Password type Description
System password Password that you must enter to log on to your system.
Setup password Password that you must enter to access and make changes to
the BIOS settings of your computer.
You can create a system password and a setup password to secure your computer.
CAUTION: The password features provide a basic level of security for the data on your computer.
CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended.
NOTE: System and setup password feature is disabled.
Assigning a system setup password
Prerequisites
You can assign a new System or Admin Password only when the status is in Not Set.
About this task
To enter the system setup, press F2 immediately after a power-on or reboot.
Steps
1. In the System BIOS or System Setup screen, select Security and press Enter.
The Security screen is displayed.
2. Select System/Admin Password and create a password in the Enter the new password field.
Use the following guidelines to assign the system password:
● A password can have up to 32 characters.
● The password can contain the numbers 0 through 9.
● Only lower case letters are valid, upper case letters are not allowed.
● Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
3. Type the system password that you entered earlier in the Confirm new password field and click OK.
4. Press Esc and a message prompts you to save the changes.
5. Press Y to save the changes.
The computer reboots.
System setup
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