Non-System disk error or disk error situations
Case 1: I have a problem with my HP notebook. After formatting
my HP hard drive, I tried to boot from the CD/DVD to reinstall Windows 7 back on my
notebook hard drive. But I get a message on black screen “Non-system disk error or
disk error Replace and press any key when ready” when I start up my notebook. How
can I fix it?
Case 2: I put a new hard drive in my HP laptop, and now it says
“Non-System disk error or disk error, replace and strike any key when ready”, I can
make sure it is in correctly, please help.
Case 3: I have a Dell laptop and I updated from Windows 7 to
Windows 10 64bit a few months ago. Everything is fine until a few days ago, the
laptop failed. So I build a Windows 10 repair disk, and try to boot the Dell laptop
from the repair CD, but the screen shows “Non-system disk error or disk error
Replace and press any key when ready”. How to fix non system disk or disk
Why you get this error in Windows XP/7/10?
Everything has solutions, you have to know the root cause about this error if you
would like to solve by yourself. Considering all the situations from above, the
cause could be the following reasons:
Boot your PC from a media without boot files.
A loose or faulty SATA or IDE cable on your HDD.
Your BIOS settings are not correct.
The boot configuration (Mater Boot Record, MBR; or Boot Configuration Data,
BCD) is corrupted in your hard drive.
Step by step to fix non-system disk error or disk error
By the way, you could encounter a
required drive partition is missing in Windows 10. Now, you can repair the non
system disk or disk error easily in Windows XP/7/10 step by step with these
Step 1: Remove all the non bootable media.
Make sure you have disconnect all the media that computer cannot boot from, including
CDs/DVDs, USB flash drives, and floppy disks. Then restart your computer and see if
you are facing the problem. If the error persists, try step 2.
Step 2: Check your HDD’s IDE or SATA cable
A loose IDE or SATA cable could cause the non system disk or disk error. An IDE or SATA port
is a type of interfaces to connect storage devices (like hard drives) to a computer's
motherboard. Thus, a loose IDE or SATA cable will cause the hard drive cannot be
detected by Windows, which may lead to the non-system disk or disk error in Windows
XP/7/10. Make sure you have connected hard drive via corresponding ports and restart
your computer; or check the IDE or SATA cable on another computer to see if the
cable is damaged. Otherwise, try the next step.
Step 3: Set the right media in BIOS settings
Make sure the media you put in has been set as the first boot device. If not, you can
restart your computer, and then press a key to access your BIOS. Then follow the
description to select the boot order, then set the media you want to boot as the
first boot device.
Step 4: Fix corrupted boot configuration
The corrupted boot sector, MBR or BCD could touch off the non system disk error.
Thus, you could try to fix them at once with Windows installation disc or Windows
system repair disc. The detailed instruction is:
Insert the Windows installation disc into your computer.
Boot into Windows system recovery options, selectTroubleshoot > Advanced options >Command Prompt.
Then use the following commands to fix non system disk error or disk error in
Besides, another reliable way is using AOMEI
Partition Assistant Standard to rebuild MBR for your hard drive. Above all, you
should create a bootable media with the software, then rebuild MBR in Windows
XP/7/10. In this instance, free download AOMEI
Partition Assistant Standard, assuming you have created the bootable media. Below
text is about how to fix non-system disk error or disk error with Rebuild MBR
After booting your computer from the bootable media, then you will find AOMEI
Partition Assistant Standard will display on your desktop, run this program,
select Rebuild MBR at the left hand.
After these steps, the non system disk or disk error should be solved. If you could
not solve your problem, maybe you should reinstall the Windows system. Moreover,
with this software, you could fix operating
system not found, BOOTMGR
is missing problem, migrate OS to SSD and others. The professional edition has the
capability to allocate free space, convert primary partition to logical, and many