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. Lay the computer on the right side.
2. Disconnect the power cables from the connectors on the system board and unroute them from the routing guides on the
chassis.
3. Remove the four (M6x32) screws that secure the power-supply unit to the chassis.
4. Slide the power-supply unit away from the back of the chassis.
5. Lift the power-supply unit off the chassis.
Installing the power-supply unit
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
WARNING:
The cables and ports on the back of the power-supply unit are color-coded to indicate the different
power wattage. Ensure that you plug in the cable to the correct port. Failure to do so may result in damaging the
power-supply unit and/or system components.
Removing and installing components 41