- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Inside view of your computer
- System-board components
- Recommended tools
- Screw list
- Left-side cover
- Top cover
- Right-side cover
- Right tron-light board
- 2.5-inch hard drive
- 3.5-inch hard drive
- 2.5-inch hard-drive cage
- 3.5-inch hard-drive cage
- 550 W power-supply unit
- 1000 W Power-supply unit
- Coin-cell battery
- Memory modules
- Single-graphics card
- Solid-state drive
- Front bezel
- Top bezel
- Bottom cover
- Processor fan and heat-sink assembly
- Processor liquid-cooling assembly
- Processor
- Wireless card
- Antennas
- Front I/O-panel
- Front-chassis fan
- Top-chassis fan
- Front AlienFX LED boards
- Power-button board
- System board
- Device drivers
- System setup
- Troubleshooting
- Getting help and contacting Alienware
Alienware Aurora R12 Service Manual
Built-in Power Test (BIST)
The power supply unit on your desktop includes a Power-Supply Diagnostics button and an LED indicator, which can help you to diagnose the health of the power supply unit. You can use this button to initiate the built in self-test (BIST) and determine if the power supply unit is causing any power issues.
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