Introduction
This article aims to provide a solution for a frustrating issue encountered with a Dell PowerEdge R720 server. The problem involves the iDRAC power button failing to start the server after a post-shutdown situation. This article will cover the key concepts, subtopics, and detailed context to help users understand and resolve the issue.
Background
The Dell PowerEdge R720 is a powerful server designed for enterprise-level computing. It comes equipped with the iDRAC (Integrated Dell Remote Access Controller), which enables remote management of the server's power, console, and other features. However, users may encounter issues with the power button, particularly after a post-shutdown situation.
Symptoms
The symptoms of this issue include:
- iDRAC power button not responding
- Server not starting after a post-shutdown situation
Causes
The causes of this issue are:
- Power supply unit (PSU) failure
- iDRAC firmware issue
- Power cycling issue
Solutions
Power Supply Unit (PSU) Check
Check the power supply unit (PSU) by:
- Ensuring all power cords are properly connected
- Checking the PSU status in iDRAC
- Replacing the faulty PSU, if necessary
// Checking PSU status in iDRAC
iDRAC IP address:
Username:
Password:
Navigate to: Hardware > Power > Power Supplies
iDRAC Firmware Update
Update the iDRAC firmware by:
- Downloading the latest iDRAC firmware from Dell's official website
- Logging into the iDRAC web interface
- Navigating to System Update > Update Settings > Download Software
- Installing the downloaded firmware
Power Cycling
Perform a power cycle by:
- Pressing and holding the power button for 3 seconds
- Releasing the power button and waiting for 10 seconds
- Pressing and holding the power button again until the server starts
In summary, the Dell PowerEdge R720 iDRAC power button failing to start the server after a post-shutdown situation can be caused by power supply unit failure, iDRAC firmware issues, or power cycling problems. Users can resolve the issue by checking the PSU, updating the iDRAC firmware, or performing a power cycle.