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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
I installed windows 7 in mac PRO.
This time I switch on the computer it shows A Disk Read Error Occurred.
Press Ctrl+Alt+Del to restart.
But it's no use.Nothing is coming out.
I tried Fn+ctrl+alt+del either.
MacBook Pro
Good, use it to remove your Windows partition and start again. Do you have backups of any data you may need on the Windows partition?
And do you have a backup of the OSX partition?
If not, make backups before you start.
I think Csound1 is telling you, rightly so, to read the documentation then follow the indtructions for removing Windows. Obviously you went wrong during your initial attempt at installing Windows. Then, after you have read and understand the instructions in the documentation, start your Windows install again. Follow the instructions.
Julietomato wrote:
I did it.Now only Mac is available in the boot manager.
Good, so you now have one partition. Run Boot Camp Assistant (BCA) again and reinstall Windows, read all the instructions carefully and verify that your backup is current before you start.
Reboot, hold the option key at the sound of the chime, what is available in the boot manager?
Mac os, recovery hd, and win7
I could still use mac os x
How to remove Windows partition?
I have a backup but I still prefer to use win7.
Julietomato wrote:
How to remove Windows partition?
Read the Boot Camp documentation, it is time.
Does it mean that i could not use win7 anymore?
As I said, you should read the documentation provided in Boot Camp Assistant before proceeding.
I did it.Now only Mac is available in the boot manager.
Actuaclly I did not installing Windows by myself.
But my computer did not read windows dvd.
Is this a disc that you made, or bought?
Bought for installing windows7.
A disk read error occurred
