Sorry this may be abit of a silly question but 3 days ago i got a new motherboard and CPU, a ASUS Z97-PRO when i first set up my PC i only had CD drive and my SSD, in my boot menu. Now I have 4 UEFI OS's in my boot menu what are they, and why do i have 4 of them suddenly shown??
Whats uefi os, and why has 4 of them poped up in my bios boot menu
- Thread starter roboboble
- Start date
Solution
Darkbreeze
Retired Mod
- Jun 24, 2014
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If you have previously reinstalled the OS, or have had different OS versions installed, those probably are related to the boot records from those installations. It would be advisable to use disk management to remove any boot records from previous operating system installs or simply do a clean install to delete all existing partitions and allow windows to create a fresh installation with only the necessary partitions. Since you've changed the core hardware, that's probably a good idea anyhow.
What exactly is listed?
What exactly is listed?
they say
UEFI OS 476940mb x4
UEFI (P4 st9500325AS)
Im 100% sure that they come from my other normal HDD which only has games installed. TBH I forgot i didnt but it in till yesterday and it freaked me out in the bios boot menu that i had like UEFI spam, i still dont know what they are, and the Last one ive never seen before tho
Darkbreeze
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- Jun 24, 2014
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The other drives probably had operating systems installed on them at some point, and had the partitions with the operating systems removed but not the hidden boot partitions. If there are system reserved partitions on those drives that are separate from the partitions containing the files and documents, you should be able to safely remove them and that will most likely cure your multiple OS listings.
You can verify by disconnecting those drives, rebooting and seeing if they are still listed. If you designate the correct drive as the boot drive in the bios, and disable any other drives as being bootable, that should also clear it up.
You can verify by disconnecting those drives, rebooting and seeing if they are still listed. If you designate the correct drive as the boot drive in the bios, and disable any other drives as being bootable, that should also clear it up.
Darkbreeze
Retired Mod
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That's a band aid fix, but will work. It would be better to use disk management in administrative tools to delete the old boot partitions and then rejoin that disk space with the main partition on the drive which should recovery a small amount of space for storage as well as speed up the boot process and eliminate any bootstrap issues.
Here's a primer on using disk management. Just look for the secondary drives and right click, delete, any "system reserved" partitions on drives you know are not the C:/ drive containing your current operating system.
http://pcsupport.about.com/od/termsd/p/disk-management.htm
You should be able to then rejoin that space by right clicking the now unallocated space and merging it with the existing partition on that drive.
Either way is fine. The extra 100mb isn't probably a big deal anyhow.
Here's a primer on using disk management. Just look for the secondary drives and right click, delete, any "system reserved" partitions on drives you know are not the C:/ drive containing your current operating system.
http://pcsupport.about.com/od/termsd/p/disk-management.htm
You should be able to then rejoin that space by right clicking the now unallocated space and merging it with the existing partition on that drive.
Either way is fine. The extra 100mb isn't probably a big deal anyhow.
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