What causes power rail failure on Dell OptiPlex 3000 Tower?
If your Dell Desktop is experiencing a power rail failure, it indicates that the EC ran into a power sequencing failure. If the problem persists, consider replacing the system board.
General| Form Factor | Tower |
|---|---|
| Processor Options | 12th Gen Intel Core i3/i5/i7 |
| Memory | Up to 64GB DDR4 |
| Storage Options | Up to 2TB SATA HDD, Up to 1TB PCIe NVMe SSD |
| Graphics | Integrated Intel UHD Graphics 730/770, Optional NVIDIA GeForce GT 1030 |
| Operating System | Windows 11 Pro, Windows 11 Home, Ubuntu Linux 20.04 LTS |
| Expansion Slots | PCIe x16, PCIe x1 |
| Network | Gigabit Ethernet, optional Wi-Fi |
| Power Supply | 260W Bronze |
| Chipset | Intel B660 Chipset |
Essential safety rules and preparation steps before working inside the computer.
Procedures and precautions to prevent damage from static electricity.
Procedures for accessing the chassis and servicing storage devices (HDDs, SSDs).
Steps for replacing the power supply unit and processor fan/heat-sink assembly.
Detailed instructions for replacing the processor and the main system board.
Running pre-boot system performance checks for hardware diagnostics.
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