From an Ubuntu installed on the HDD (neither liveCD nor liveUSB), open a terminal (Ctrl+Alt+T), then type the following command: [-d/sys/firmware/efi]&&echo"EFIbootonHDD"||echo"LegacybootonHDD" Remark: if the result is "Legacy boot on HDD", then boot uefi gpt share|improve this question asked Dec 17 '13 at 4:07 Scandalist 1,92662033 Did they give you a Both mode? Did Hermione ever see herself when she used the Time-Turner in Prisoner of Azkaban? I can boot the Windows USB in Legacy and install Windows as normal, but of course i'm looking to have it back on UEFI as it was before. http://sortpictures.net/windows-10/uefi-boot-windows-10.html
Get the answer Ask a new question Read More BIOS Boot AsusTeK COMPUTER Recovery Partition Systems Windows 8 Asus Related Resources How to reformat an ssd from UEFI BIOS Utility? American Megatrends' "Aptio", found on the Asus vivobook series) call Legacy mode "Compatibility Support Module" or simply "CSM". ITweeksJul 10, 2013, 10:19 PM Okay guys,I did something stupid. This should work.
With the CSM enabled, it remains a gamble, and you could end up booting in the mode you don't want. The section "Installing Windows Under DUET" describes the procedure, but it's somewhat DUET-specific. Just trying to help folks out. What is the oldest a cave could possibly be?
Register Help Remember Me? BIOS). Make one on your own using the oscdimg.exe tool, which you can grab from the DVD itself. Can't Boot From Usb Windows 10 How can I tell if I have permission to run a particular command?
I was able to repair my BCD by following an online tutorial, and now it boots fine :D. Uefi Hard Drive Not Recognized Depending on its source and how you prepared the disk, it may hold BIOS, EFI, or both boot loaders. Have you tried any other tools for this job? –Ramhound Nov 15 '14 at 19:03 @Ramhound I tried manually copying the files and the tool mentioned above. news I had to make this kind of USB on my HP ProBook, else I couldn't set me BIOS to SecureBoot / UEFI Native (Without CSM).
How to cd to a directory with a name starting with a "-" (minus)? Windows 10 Recreate Efi Partition In my original post i didn't state this because i wanted to keep things simple, but the laptop actually came with Windows 8 and i wiped the drive and upgraded straight I'll let you know what happens in a short while. This allowed Windows to install successfully.
The one you made, will only boot in Legacy mode. my response They very nicely left it as just an abbreviation so i could find it :-) –Psycogeek Dec 17 '13 at 4:41 add a comment| 4 Answers 4 active oldest votes up In this case, exit Boot-Repair, then create an UEFI partition (see the "Creating an UEFI partition" paragraph above). When i created the USB, i selected the option for a both UEFI and MBR compatibility. Uefi Doesn't See Hard Drive
As a general rule, though, UEFI mode works better in dual-boot setups with pre-installed versions of Windows 8. That's why you have to create the USB stick in a way that all the necessary information is on it, so it doesn't need anything from other sources. As i no longer wanted to use the HDD for running Windows, i decided it would be best to delete Windows from this drive. check here SecureBoot "Secure Boot" is a new UEFI feature that appeared in 2012, with Windows8 preinstalled computers.
General principles To install Ubuntu in UEFI mode: Use a 64bit disk of Ubuntu. (Ubuntu32bit cannot be easily installed in UEFI mode. Windows 7 Uefi Boot Repair Not the answer you're looking for? Then reboot the computer.
Normally, it doesn't matter what is on de harddrives, because it finds all the boot up information on the USB stick. Not the answer you're looking for? File: /EFI/Microsoft/Boot/BC Error code: 0xc000000f" I have tried everything to recover the system but nothing has worked. Uefi Boot Usb Windows 10 Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the
If i find the fix i'll let you know. However, when I try booting in CSM boot mode, the USB boots just fine. I tried using boot-repair, but it did not work. http://sortpictures.net/windows-10/windows-10-inaccessible-boot-device.html This will result in enough hair-pulling that you'll end up buying a wig.
What's New? As I understood, your system came with Windows 10 installed, so it probably had an EFI partition on it. It's simple and straightfoward, check my answer. –Milind R Feb 1 '14 at 18:46 add a comment| up vote 0 down vote The Windows and GPT FAQ says about Windows 7 If it does, or if it complains about the lack of a BIOS Boot Partition, you've probably accidentally booted in BIOS/CSM/legacy mode.
Browse other questions tagged boot uefi gpt or ask your own question. share|improve this answer edited yesterday Community♦ 1 answered Apr 12 '16 at 17:17 Rahul 270113 1 Since many Windows ISOs are larger than 4 GB, FAT32 is probably not advisable. This is a problem if 32-bit UEFI is the only way your computer can boot, e.g. If the PC does not load Ubuntu, boot your PC using the Live CD/DVD or Live USB and choose "Try Ubuntu" once again.
Subscribed! Normally you would have to keep on flipping from one to another but most modern motherboards allow to boot from a legacy device while keeping UEFI; hence not needing to change. My machine is x64 compatible. Do we really need OO languages to manage software complexity?
Please click the link in the confirmation email to activate your subscription. Most modern computers support both UEFI mode and BIOS mode. share|improve this answer answered Dec 16 '15 at 17:32 Rod Smith 12.7k11631 Thanks! Name for phrase only understood by those who already know?
As I understood, your system came with Windows 10 installed, so it probably had an EFI partition on it. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Today, I tried to install Windows 10 to it using an installer disk, and it caused the operating system on my HDD (also Windows 10) to be unable to boot. (Also, Success!
How to deal with family pressure when telling them you are becoming a vegan? The ISO-9660 driver probably won't help with the Windows 7 disc, but it might help with some others. This leads in smoothly to my second question which is how to install Win 7 Home X64 on my GPT partitioned hard drive.