How to Fix Disk Boot Failure -Insert System Disk Error On a Windows PC?

In today's tutorial, we discuss one of the common computer error messages Disk Boot Failure Insert System Disk and press enter. It prevents a computer from booting up. This article explains the troubleshooting steps I did on my friend's Windows computer to fix the Disk Boot Failure. Before jumping into the solution for Disk Boot Failure Insert System Disk And Press Enter error, let us check the reasons for this problem and how to prevent it.

Which Are The Reasons to Get Disk Boot Failure Error?
Let us check the reasons for showing the error Disk Boot Failure or Disk Boot Failure - Insert System Disk while booting a computer.
  1. Faulty BIOS Settings and a wrong boot sequence

  2. Damaged Hard Disk Drive(HDD) on your computer

  3. Loose connections and Motherboard issues

  4. Hardware and Software conflicts

  5. A corrupted OS or Improper Disk partitions

How do I fix Disk Boot Failure - Insert System Disk?
You can fix Disk Boot Failure on your Windows computer by following the steps we have provided below.

  1. Disconnect USB storage Drive and make sure DVD Drive is Empty

    • As the first step to solve the disk boot failure is to ensure that no DVD/CD on your Laptop drives at present.

    • Remove the pen drives connected to your computer.

    • Restart your computer.

    If your computer boots properly, you need to change the boot order priority from BIOS.

  2. Change BIOS Boot Order

    A wrong BIOS order sequence is one of the reasons to get the error Disk Boot Failure - Insert System Disk while booting your computer.

    If the USB devices or DVD drive has the booting priority over Hard Disk Drive, you need to change it in BIOS.

    To access BIOS follow the steps below.

    • Restart your computer

    • Press the key provided by your vendor to access BIOS before the appearance of the Windows logo on the screen. The possible keys are [Del] and [F2].

    • Click on Boot and select the boot option to set HDD as the first booting device. Press [F10] to save it before exit(or the key provided in BIOS to save the settings)

    • Restart your computer and check whether it works without the Disk Book Failure.

    By setting HDD as the first boot device, you can prevent most of the issues like Disk Boot Failure - Insert System Disk

  3. Disconnect Hard Disk from Motherboard and Reconnect

    A loose connection can make your Hard Disk inaccessible.

    • Power off your computer and open the cabinet.

    • You need to disconnect Hard Disk data cable and power chord from the motherboard and reconnect.

    • Reboot your computer and check for the issues.

  4. Disconnect Peripheral Devices From Motherboard and Connect Them Back

    • Power off your computer and open the computer case.

    • Disconnect all peripheral devices from motherboard including HDD, DVD R/W, RAM, etc.

    • Clean dust and then reconnect all the devices with the motherboard. Make sure there is no loose connection.

    • Power on the computer and start it to check if you still receive the error Disk Boot Failure.

  5. Reset Current BIOS Settings

    If the error Disk Boot Failure - Insert System Disk persists, you may need to reset the BIOS settings.

    To perform this task, I recommend you to visit the link below.
    How to Reset BIOS On Your Laptop

  6. Remove the Newly Added Hardware

    An incompatible hardware device on your computer causes the error Disk Boot Failure.

    So it is always advised to disconnect the recently added hardware and check for the issue.

  7. Corrupted OS or Improper Partitions

    Some readers reported that while upgrading to Windows 10 from Windows 8 and Windows 7, they encountered Disk Book Failure error.

    If Windows 10 upgrade fails, you cannot start your computer after POST.

    An improper disk partition also causes Boot Disk Failure error.

  8. Failed Hard Disk Drive (HDD)

    If the Hard Disk on your Laptop is not working good, the Operating System will not load into RAM.

    You must test the HDD and ensure that it is working.

    Connect your HDD as a slave of another hard disk in a different PC. Check whether the new PC detects your HDD.

    If not, it is time to purchase a new one.

  9. Motherboard issues

    very rare but Motherboard failure can result in booting issues on a laptop.

    If the HDD on your computer is working fine, you need to test the motherboard.

Showing Disk Boot Failure on Linux PC

We have covered every possible reason and solution for the error - DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER.

  1. What is Destination Port Unreachable Error Message?
  2. PING: Transmit failed. General Failure

So the question is if this issue is a Windows related? Will I see Disk Boot Failure message on a Linux Device?

  1. HDD S.M.A.R.T Command Failed & Unable to Start Laptop
  2. How to Check The Frequency of RAM On Your Laptop

You may receive this error, message on your Linux PC too. It is the error message shown as the part of the POST procedure before loading the Operating System.

  1. How to Connect Two Laptops Using USB Cable
  2. Check Laptop Memory Problems Using Windows Memory Diagnostics Tool

A wrong BIOS booting order will result in Disk Boot Failureon both the Windows 10 and Ubuntu PC.