To change the boot order, just go to BIOS, in the Boot tab, list the CD, removable device, or hard drive first. And if you want to boot from a removable disk, make sure it is bootable and has set as the first boot disk.

Set a Bootable Disk as the First Boot DiskĪfter data recovery, you can start taking measures to fix invalid system disk error to make the PC boot and work properly. If you want to boot from the internal hard disk, unplug any USB flash drive, external hard drive, CD, or floppy disk. Select the USB drive and click 'Create' to create a bootable disk.ĭownload for Mac  Trustpilot Rating 4.4 How to Fix Invalid System Disk Replace the Disk Error in Windows 10Īfter you've restored the files, you can begin to solve the invalid system disk error safely. EaseUS Data Recovery Wizard WinPE Edition will help you create a bootable disk.Ĭonnect the USB drive to PC, launch EaseUS Data Recovery Wizard WinPE Edition.

When you create a bootable disk, the data on the USB will be erased.

If you have important data on it, copy the data to another device. This data recovery software has a graphic user interface and lets you recover data with simple clicks. If you have any important files stored on the PC hard drive, we highly recommend you first recover data from your computer in case data loss happens while you are trying to troubleshoot the invalid system disk error.īut how to restore files from the hard drive when the computer can't boot? Use EaseUS Data Recovery Wizard WinPE Edition to retrieve data from the computer that is dead or won't turn on. Important: Recover Data from Your Computer That Can't Boot in Advance If the invalid system disk error is caused by a hard drive failure, you need to replace the damaged HDD. Try using Automatic Repair to solve invalid system disk replace the disk and press any key error. Use EaseUS Partition Master and create a WinPE. You can rebuild MBR to fix invalid system disk issue. Go to BIOS, in the Boot tab, list the CD, removable device, or hard drive.

Full stepsĬheck the boot sequence in BIOS. Create a bootable disk > boot from the bootable USB > recover files from the computer that can't boot.

Attempting boot from usb device