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During the boot process, a boot menu is available on request. Through this menu, you can start boot modes for troubleshooting. There are modes to access system parameters, or to reset the device to the factory defaults if the device is configured incorrectly or if you experience problems when booting.

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Image RemovedImage Added During the boot process, press the [Esc] key repeatedly in rapid succession in the second stage loader, when the loading kernel message is shown on the screen.
The boot menu is displayed with the available boot modes:

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Using the arrow keys, navigate to one of the boot modes and press the [Enter] key to start the process. You can start the following boot modes:

• Quiet boot: Normal startup. (Default)
• Verbose boot: Start with system messages and an interactive root shell
• VESA only boot: Basic graphic boot
• Emergency boot (setup only): Only the Setup window is available
• Failsafe boot with CRC check: Start with an integrity check of the operating system
• Reset to factory defaults: Reset the client to factory defaults
• Custom boot command: Boot with configurable command line options

Quiet Boot

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QuietBoot QuietBoot

Quiet boot is the default boot mode. It is the normal startup mode. In this mode, all kernel messages are disabled and the graphical user interface is started.

Verbose Boot

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VerboseBoot VerboseBoot

Unlike in Quiet boot mode, the kernel messages are shown in Verbose boot mode. The boot process also pauses before the graphics system and the user session start.

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1. Select Verbose boot from the boot menu.
   
   
2. Wait until the boot messages stop at Reached target IGEL Network Online.
   
   
3. Open a virtual console with one of the key combinations:
   • [Ctrl] + [Alt] + [F11]
   • [Ctrl] + [Alt] + [F12]
     
     
4. Log in by pressing [Return] and enter the root password if necessary.
   
   
5. Go through the desired individual commands.
   
   
6. Now enter the following command to continue the normal boot process: systemctl default
   The graphical user session starts.

VESA Only Boot

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VESABoot VESABoot

Use this boot mode if normal boot has graphic issues, for example, if the device has limited Graphical Processor Unit (GPU) support. This mode is not manufacturer specific. In this mode resolution and multimonitor mode and performance might be limited.

Emergency Boot (Setup Only)

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EmergencyBoot EmergencyBoot

In the Emergency boot mode, the device is started without network drivers and with a resolution of 640 x 480 - 60 Hz. After the boot process, the Setup window is opened automatically.

This mode is useful, for example, if you have selected an excessively high screen resolution or a wrong mouse type and these settings can no longer be changed in the normal setup. Unlike with a reset, the setup opens with the actual settings.

Image Removed Image Added Once you are done with the changes, close the setup window to reboot the device.

Failsafe Boot with CRC Check

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FailsafeBoot FailsafeBoot

During a Failsafe boot, a check of the file system is carried out first. Then, the Verbose boot is started.

This mode is helpful if you no longer have a bootable system after a firmware update. The Failsafe boot checks where the problem is. If need be, an old version will be booted and you will need to repeat the firmware update.

Reset to Factory Defaults

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ResetToFactory ResetToFactory

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Custom Boot Command

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CustomBoot CustomBoot

In the Custom boot command mode, preconfigured options are placed on the kernel command line. This allows you, for example, to investigate and rectify problems with specific hardware components.

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1. Open a local terminal and log in as root.
   
   
2. Enter the following command to bring up the current options:
   bootreg get /dev/igfdisk boot_cmd


3. Save your desired options with the following command:
   bootreg set /dev/igfdisk boot_cmd "<Your Options>"



4. Check the options that you have entered:
   bootreg get /dev/igfdisk boot_cmd

   Info
   If you would like to delete options for the Custom boot command, leave an empty string of characters in their place: bootreg set /dev/igfdisk boot_cmd ""

   
   

IGEL Tech Video

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