Are you troubled with the issue of “loading operating system, disk boot failure”? Try the following quick fixes and perform prevention measure to prevent data loss.
Disk boot failure is a common issue encountered by a lot of users. When it happens, the screen will display:
Loading Operating System ...
Boot from CD/DVD :
DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER
This message tells you that your PC cannot start because it cannot find the operating system. The error “Loading operating system, disk boot failure” can be caused by various reasons:
CD/DVD left in the disk reader
New hard drive installed
Faulty data cables
Incorrect boot sequence
Damaged hard drive
Corrupted system files…
After getting reasons, the most important thing is to fix “disk boot failure, insert system disk and press enter” accordingly. You can learn six quick fixes in the next part.
According to the reasons, you may find some of them are very conventional. Thus, you need to conduct an initial screening with the first 3 fixes and then try others.
Open the optical disc drive on your computer to check if there is a CD/DVD. Remove the disk if you find one and try to boot your PC again.
Disk boot failure with a new hard drive is normal and can be repaired easily. Just insert the Windows installation CD into the PC, and then boot from the CD.
Make sure the jumpers are properly set on the hard drive where Windows is installed. Re-plug the cables of the hard disk to see if it works. If it doesn’t work, you may replace the cables and try again.
1. Restart the computer and continuously press a specific key to get into BIOS. The key to open BIOS can be listed on the first screen that appears, before the Windows logo shows up. It is likely to be Esc, Del, F2, F8, F10 or F12.
2. Go to the Boot tab and move “Hard Drive” to the top of the boot order list by pressing “+” or “-”.
3. Press F10 to save changes and restart computer.
Tip: Since every BIOS setup utility is different, the menu option or configuration item might be called Boot, Boot Options, Boot Order, etc. The boot order option may even be located within a general menu option like Advanced Options, Advanced BIOS Features, or Other Options.
1. Insert the Windows installation disc and boot from it.
2. Navigate to Repair Your Computer > Troubleshoot > Advanced options > Command Prompt.
3. In the Command Prompt window, type chkdsk C: /r and press Enter. You may replace C: with the letter of the drive where Windows is installed.
4. Type exit and press Enter to exit Command Prompt. Restart your computer to see if disk boot failure is solved.
1. Insert the Windows installation disc and boot from it.
2. Navigate to Repair Your Computer > Troubleshoot > Advanced options > System Restore. Follow the System Restore wizard to finish the recovery process.
Note: To perform system restore, you should have created system restore points before.
From the reasons of "loading operating system, disk boot failure”, you know the error may result in data loss and system crash. To further avoid data loss due to it or other boot errors like “Error loading operating system”, it's suggested to create a system backup after fixing it. With a system backup image, you can easily restore your computer to the previous working condition and all the data on the system will be restored as well.
AOMEI Backupper Standard provides all-around backup solutions for you.
💛 There are five types of backup available: System/Disk/Partition/File Backup and Cloud Backup. You can choose one by your purpose. 💛 It still provides the Schedule Backup feature to run backup task automatically at fixed intervals, from daily to monthly. It also enables you to do block level incremental backup or backup only used sectors of file system to improve the backup efficiency. 💛 In addition, it allows you to create bootable media (CD/DVD, USB or ISO file) to boot computer when it fails to boot. And it will include all the features of this software if you use Windows PE boot disc type during the creation process.
All Windows PC operating systems including Windows 11/10/8.1/8/7/Vista/XP are supported. Just download this freeware to create a copy of your system to protect data.
To fix disk boot failure in Windows 10/8/7, you should do two things in advance:
1. Create bootable media to boot your computer. During the process, you need to choose bootable disc type and bootable media.
2. Perform system backup when the computer is in good condition. You need to pay attention to the following items:
There are six quick fixes to the issue of “loading operating system, disk boot failure” offered in this article. Hope one of them works for you. To further avoid data loss due to disk boot failure, the best way is to create a bootable drive and performed system backup with free backup software - AOMEI Backupper.
With it, you can easily get your computer back without downtime. Thus, if you still don't have a system backup, hurry up and download this software to create one! You will be more pleased to find it also enables you to clone SSD to another SSD with the "Disk Clone" feature.