[Desktop PC/Motherboard] Troubleshooting - Unable to enter the operating system | Official Support

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[Desktop PC/Motherboard] Troubleshooting - Unable to enter the operating system

If one of above cases occurred, please try troubleshooting according to below instruction :

1.Stuck at ASUS Logo

Step 1: Press F2/Delete to enter BIOS to load default and save settings.
Step 2: Enter BIOS and check whether HDD is identified under Main/Boot priority page.
Step 3: Update BIOS with Ezflash. (How to update BIOS with Ezflash)
Step 4: If Step 1~3 still can't fix this problem, please contact ASUS Service Center.
* If you can't enter BIOS, please contact ASUS Service Center.

2.Auto reboot during booting process/the screen displays black after entering desktop

Situation 1: Machine auto shutdown/reboot under Windows system.
Solution 1: Enter Safe mode. Remove recently installed drivers/utilities.

Situation 2: Machines auto reboot before Windows system. (ASUS logo/Windows logo)
Solution 2: Remove adapter and wait 3-5 minutes. If you still can't enter system after reboot, please contact ASUS Service Center.

Situation 3: The screen displays black after entering desktop
Solution 3: Enter Safe mode. Remove Anti-Virus software/recently installed drivers/VGA driver.

* Please refer to below FAQ link for how to enter Safe mode in different OS: Windows 8/8.1、Windows 10

3.Error message pops up (DISK BOOT FAILURE...)

Operating system is damaged. Please try to reset/re-install system or contact ASUS Product Support for assistance.

Method for System reset: Windows 8/8.1/10

Note: All the data will be deleted once system reset is done. If there's any questions, please contact ASUS Product Support.

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