Setup Installation :: Installing Windows 8 / 8.1 On External HDD UEFI Bios Only
Jul 21, 2014
I'm trying to install windows 8.1 to an external hard disk (solid state drive 128 gb usb3).
I've tried easyUFEY WinToUS creator and AOMEI Partition Assistant Standard(Windows to go) with no luck.
My bios has UEFI option only(no legacy). On my old laptop it works just fine(I had the legacy option) but now, I cannot do that anymore.
I'm pretty sure it's a bios boot issue and I don't know how to fix it. I've tried using GPT partition instead MBR, Still nothing.
The laptop is a sony vaio duo 13 and I have no legacy option in bios
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Jun 13, 2013
Question: How would you approach this migration?
I just bought a copy of Acronis True Image 2013 with Plus Pack. It appears that this is all I need as True Image will install the new motherboard drivers as part of the migration process. But do I stay with MBR or move to GPT?
Presently both Win7 (on a 120GB SSD drive) and Windows 8 (on a different 120GB SSD drive) are both MBR format. I don't want to start over from scratch. That's why I bought the Acronis 2013 with Plus Pack.
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Nov 18, 2013
Is it possible to install Windows 8.1 as Legacy with MBR? Or only as UEFI with GPT? I'm kind of confused with all this UEFI business, I always used MBR in my Windows installations. Also, Truecrypt does not support UEFI, so if installing Windows 8.1 I should do it as legacy.
Also, how can I control during the install process if I want to set my system installation as UEFI or Legacy?
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Aug 20, 2013
I have an Acer Aspire 5745G-644G50MNKS notebook with preinstalled OEM win 7 home premium.
Specs as following:
Core i7 640M Processor (2.87GHz, 4MB L3 Cache)4 GB DDR3 RAM500 GB HDD15.6" 16:9 HD LED DisplayDVD RW1 GB VGA (NVIDIA GEFORCE GT 420M)WIFI / Bluetooth / Card Reader / Web Cam
I'm wishing to update my system into Windows 8 Pro or Enterprises. But unfortunately my model isn't appears in Acer's Windows 8 Eligible Models list or Affected Models List.
I think my system has more than enough performance to run Windows 8. But my bios don't have UEFI support. So, i just wanna know will my computer be able to run Windows 8 without any troubles without that secure boot option.
I"ve run Windows 8 Upgrade Assistant Tool in my system and it says everything is okay except Secure Boot option. also I'v checked individual hardware vendor sites for the latest drivers for windows 8. Most products has the drivers, And the current drivers also compatible with Windows 8 according to the upgrade assistant.
What should i do so? Will the win 8 upgrade useless in my system? or it will be better than the current win 7?
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Apr 14, 2014
I have windows 8.1 installed on 120gb ssd. I also have a 1tb HDD too. So I was trying to install Hackintosh/Linux when I noticed that the System Reserved partition was on my HDD instead of the SSD. So, I used easybtc to migrate my boot files to my SSD. I deleted the system reserved partition. Now I want to convert my BIOS to UEFI. I have Z87 pro mobo.
I tried this tutorial: [URL] ....
But it seems to be geared at the C drive, where I don't have room for that 350mb as disk utility wont let me shrink it.
Edit: would downloading a third party partitioner, shrinking C about 350mb, or whatever is the minimum, and then use that new space as described in the guide work?
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Dec 4, 2012
Have any of you successfully installed Windows 8 with UEFI on a RevoDrive X2 (PCI-E express card)?
It starts the installation just fine for the RevoDrive X2 after loading it's drivers, but on first restart it...:
No boot drive found.Manually select to boot from the RevoDrive from the boot menu (F11), and it just restarts the installation again from scratch.
It installs and runs just fine with legacy BIOS (MBR) for the RevoDrive X2.
It also installs and runs just fine with UEFI on an internal SATA2 HDD.
Things I've done:
Bootable Windows 8 USB formatted as FAT32 w/EFI folder in itEnabled wake on PCI-E/PCM in UEFIBooting from USB from boot menu (F11) and not set to always boot from USB.
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Jan 29, 2014
Right before I performed a clean install of Windows 8.1 x64 on my Inspiron 3520, I switched to the Legacy BIOS *facepalm*.
When I enter the legacy BIOS and enabled "secure boot", I performed a restart that gave the following message "internal hard disk drive not found, to resolve this issue, try to reseat the drive. No bootable devices--strike F1 to retry boot, F2 enter setup menu, F5 enter PSA". Of course, when I go back into the BIOS and disable secure boot, it reverts back to legacy and boots up Windows 8 just fine. What I'd like to know is, how can I revert back to UEFI so I can change the boot-up option and perform a clean install under UEFI.
Making the Switch to UEFI | sepago
[URL]
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Jul 24, 2014
Yesterday, after many, many problems with my computer, I finally decided to reinstall Windows 8.1 Pro onto my ASUS X200CA netbook. However, after backing up and reinstalling the OS, I found that when I tried to disable "Launch CSM" in my BIOS, all of my boot options would disappear and my laptop would continually boot into my BIOS. When I re-enabled "Launch CSM", the boot options would reappear - however, it had not included the "Option #1 - Windows Boot Manager" that I had seen in my other installation.
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Sep 15, 2014
My problem is that I want to install a higher version of win 8, respectivily win 8 pro in a computer that already came with another version of win preinstalled (win 8.1). It's possible to do this in a bios that prevents csm launch.
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Nov 13, 2013
Have a toshiba laptop with the UEFI encrypted windows 8 key. The hard drive was broken as it was dropped. No sticker on the bottom as is now microsoft policy. Download of the windows install needs the windows key. Cant get it as it's encrypted. Found generic windows 8.1 keys which worked but it said it was the wrong key for those installs. Generic windows 8 keys don't work for the download. Going around in circles and not sure what to do.
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Nov 17, 2013
I just install windows 8 using BIOS , but now i want to change it to UEFI boot. so i followed steps below
1.create and format a new FAT32 partition K:
2.my windows8 is in I: so , i use this command bcdboot i:windows /f all /s k: and succeeded.
3.i checked with the bootice about the BCD in my K: and found it indeed point to i:windows just like the picture below [URL]
4. and i restart, choose uefi boot in BIOS configuration and it showed like this: [URL]
5. i checked my k:/windows/system32/ , there is a winload.efi file... [URL]
The most strange thing is that i've copyed my winload.efi to other computer which is already in UEFI mode , and also i've copyed it in my virtual machine, it works fine! So my winload.efi should be OK.
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May 8, 2014
I have tried installing Win 7 in UEFI on my old Asus K56JV Laptop.
I have used a tutorial by Brink to create the bootable usb. The system can see it but after it has loaded, I get the following message:
Windows failed to start. A recent hardware or software change might be the cause. To fix problem
1. Insert your Windows installation disc and restart
2. Choose your language setting and click next
3. click "repair your computer"
status 0xc0000225
What should I do from here?
I have tried to make the usb both manually and with rufus usb software. The system does not currently run on UEFI, but it supports it, and I have changed it in BIOS. Also I run Ubuntu in dual boot. I don't know if the GRUB interface does anything here, because the recovery will not start either, though I believe it did so last time I formatted the laptop
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Sep 15, 2014
I am having problems installing UEFI & a Error 0x80004005 with Windows 8.1 OEM saying it can't create partitions for UEFI then creating 2 partitions for MBR installation instead. This using a 400 TB, hard drive, setup with a GPT system & nothing else & ready for Windows 8.1 to create the partitions.
The first time it happened I used MiniTool Partition Wizard Professional, to delete the partitions created by Windows 8.1 & convert the MBR to GPT, then used Wipe Disk function to erase all data and set all the bits to a 1.
The only thing that I can think is upsetting the installation is that I have left the other drives in the system including 1x3 TB drive, 1x2 TB drive and a second 4 TB drive.
The 2 TB drive has "Win 7 Ultimate" installed using MBR, the 3 TB drive is empty but ready to install Windows 8.1 setup with GPT, and the other 4 TB drive has a UEFI Windows 8.1 installed but broken.
I have also tried to install UEFI Win 8.1 on the 3 TB drive but it failed with the same error code as above.
This UEFI takes a lot to get ones head around dose't it, and me being much older than I once was makes it even harder. I have tried this installation at least 3 to 4 times now and doing these "Wipe Disk Functions" every time has so far lost me 3 whole days just in wasted time.
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May 31, 2013
On my computer there is a pre-installed Windows 8 which works fine for UEFI boot (Secure boot not necessary).
Now when I switch in UEFI setup at boot time the UEFI mode into the CSM (BIOS) mode and restart then Windows 8 is not starting any more.
As far as I find out an UEFI-based Windows 8 can only boot with UEFI mode enabled.
So my question is: Can I turn an existing UEFI based Windows 8 installation into an CSM/BIOS based installation (=a Win8 which boots successfully even when I enable CSM in UEFI setup) ?
If yes: How do I do that?
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Dec 12, 2013
I just built a desktop with a sabertooth x79 motherboard, and am running Windows 8.1 pro 64-bit. When I click the UEFI BIOS Firmware live tile via the change PC settings>update and recovery>recovery>etc. my computer reboots normally to Windows and will not open BIOS. I have tried accessing it using the delete and f2 keys, but this does nothing either.
I am up to date in terms of my BIOS, and am definitely running UEFI and not legacy.
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Jan 27, 2013
Just a quick question about UEFI installation. I've got the Windows 8 Pro DVD but I lack USB Flash Drive 4Gb, is it possible to install Windows 8 with UEFI support with the DVD support or as written in the tutorial the USB Flash Drive is mandatory?
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Jan 6, 2013
Here: [URL] .....
Somewhere in that link it says:
During POST enter "BIOS Boot Selector Menu" by pressing F7.
Intel says: <F7> No uefi setup option in boot selection
Others say: <F8> No uefi setup option in boot selection
I say: <F12> No uefi setup option in boot selection
Lenovo Z580, my brand new laptop that is, its UEFI based and vymrdal's ISO from MSDN is also created to be installed as an UEFI Install.
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Nov 25, 2013
I have a Dell Inspiron 7720. I have created an uefi bootable usn flash disk with rufus 1.4b
I'm trying to boot from it so i can create a Windows 8.1 uefi installation and the problem is that the usb flash disk wont boot.
I have secure boot enabled and legacy option rom disabled.
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Jan 28, 2013
Is it possible not to have the partition "recovery"?
Because if you look at the two tutorials:
- UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums
- UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with
In the tutorial to install Windows 7 in UEFI, there is not that damn partition recovery, while in the tutorial for Windows 8, we can see it.
When I install Windows 7 (MBR mode), I avoid this partition "recovery" by creating a partition with a name before installation. I install the OS on it and everything is fine, no partition "recovery" But here, since one must delete all partitions, If I create a GPT disk with a partitioning tool before installing, is that it might be appropriate?
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Jun 30, 2013
I have a Lenovo B575 laptop that is not UEFI capable; however, I have downloaded the x64 Win 8.1 ISO, burned it to a bootable DVD and a bootable USB drive and tried installing Windows 8.1 using a boot from DVD and also a boot from USB drive, and neither method has resulted in a successful installation. The root cause of the installation problem is that Windows 8.1 is intent on creating an EFI partition structure on my non-UEFI machine.
So, I end up with a 300MB Recovery Partition and a 100MB EFI Partition which doesn't work well on my machine. Now, during the installation process, I opted to delete all existing partitions and allow the installation to properly partition the hard drive for installation; however, I knew I was in trouble when the machine started hanging during reboots.
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Feb 12, 2013
I have made a clean install of Windows 8 using USB and UEFI. Somehow it seems the instalaltion is not quit right of what I have read... Have attached picture of the Diskmanagement (OS is Norwegian by the way).
Compared to this thread: UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with for me something is missing/wrong.
I have a laptop with one SSD and two internal disks. Both internal disk were removed before the installation, and connected and formatted after finished the installation.
It can me mentioned that I downloaded the OS, saved it as .iso file, then copied onto the USB disk. Then connected into the laptop and booted from USB/UEFI.
I did not follow these steps: UEFI Bootable USB Flash Drive - Create in Windows
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Oct 27, 2013
So my computer is a Windows 8 Laptop, with UEFI on it..... I want to have Legacy instead of UEFI, and I was told on this site that I could do it, but I needed to reinstall Windows 8.....
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Mar 13, 2013
Laptop: ASUS UX31A-DB71, latest BIOS: 218
Originally my laptop came with Windows 7 and when i looked at disk management my disks were formatted with UEFI schema. One of my friend gave me a UEFI bootable USB drive loaded with Windows 8. So, i thought why not give it a try. So, I created a backup of my OEM Windows 7 and saved the iso files in a seperate external HD (created twice just to be sure . Now, i decided to load the Windows 8. Booted into the BIOS and there is an option to select the USB drive along with the UEFI option for that USB drive. I selected the UEFI option but some reason it does not boot into UEFI.
So I decided to select the standard USB install and this option let me install windows 8. In the process of installing i formatted the partitions and made a single partition and installed Windows 8 on it. I am guessing now the drive is not GPT but MBR. I also noticed that his installation USB disk had an option to select either 32bit or 64bit of Windows 8... Would Microsoft create a same iso file with both versions? I am guessing he created the USB from a illegitimate source.
I am planning on purchasing Windows 8 Pro version as an iso but wanted to be confident that it would work with UEFI architecture.
Questions:
1. Why would the system NOT boot from UEFI?
2. If I download the legitimate iso from Microsoft and wanted to install Window8 Pro via UEFI, I am sure i would have to format my SSD to GPT and how would i go about formatting it during installation?
3. How would i create a recoverable USB for my iso image i created for Windows 7 via ASUS AI Recovery. Do I need to follow the same procedure as stated in creating bootable USB disk (i.e. FAT32 system) via diskpart utility?
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Jul 27, 2013
I have just recently bought a new computer. If I knew I was going to have this issue I probably wouldn't have bought a 4TB HDD but anyway.
What I have done is read the article (this is where I found out I couldn't install to the 4TB HDD in the first place) on how to install Windows in UEFI format. I have created a USB flash to do this but still my HDD partion is only showing up at 1.6TB. It is setup as a GPT file format as it gave me all the prompts and created the Recovery, system partitions etc. How do I get this to work so when I do the install it shows up in the first place as the 4TB partition or at the end of it all is still not possible?
What I will be doing is installing Windows on this 4TB patition and then using a 256GB SSD in SSD Caching.
Am I better off getting a 1-2TB drive and installing normally instead of wasting my time or can this be done?
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Feb 17, 2013
Windows 8 clean install crashes on first screen
Side note - I succeeded on installing Windows 8 on that particular laptop using UEFI, but NOT legacy. No matter what I tried it failed.
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Nov 19, 2013
And if so, will it perform slower? Or only boot time will be affected? Any other disadvantage of doing so?
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Oct 12, 2014
I have windows 7 already installed.my hard disk have 3 partitions and there are data in them.so,if i want to install windows 8.1 with uefi do I need to format all my partitions or only the windows 7 installed partition?
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Jul 11, 2014
I recently bought a new SSHD for my laptop and after initial problems with trying to install Windows in UEFI, I turned to Legacy and that worked. But now when I change it to UEFI, it just comes up as "Operating system not found".
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Aug 10, 2014
I installed Windows 8 with UEFI on a GPT SSD like the tutorial on this very forum states, but I ran into an issue when I plugged in my secondary HDD (1tb MBR?). It won't boot even if I make sure Windows Boot Manager is the primary boot option. What can I do about this?
If I unplug the drive, it boots fine. If I plug it back in, it stops and Windows tries to repair itself.
Apparently if you're using Win 8 with UEFI, you can't have a 2nd drive that uses extended or logical partition. Since I had Ubuntu on the 2nd drive (logical) it wouldn't boot. I haven't done it yet, but If I delete the partition it should work just fine. I created a bootable usb with Gparted and will fix it later.
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Apr 11, 2013
what settings are required in the UEFI Bios to run recovery USB/ disks or Linux live CDs. It all used to be so simple. The manufacturer seems unaware that it supplies UEFI systems - so I am working blind. Have tried boot CDs and USBs but all have booted straight into Windows to date. I don't wish to change settings I have no understanding of.
I have a Medion /Lenovo desktop with an AMI UEFI Bios (12 July 2012) and Aptio Setup.
The following seem relevant are supplied as enabled in "Bios":
Intel Rapid Startup Technology
Quiet Boot
Boot Select Mode [UEFI]
UEFI Hard Disk BBS Priorities - Boot Option #1 - Windows Boot Manager
Secure Boot - Secure Boot Mode [Standard]
What do these all mean and what effect do they have on how Windows 8 runs and how boot drives run?
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Aug 14, 2013
I have an ASUS Zenbook UX32V, which came with win 8 preinstalled.
I was having endless problems with Windows 8, such as software compatibility, and formatted the laptop (removing all partitions), and installing Windows 7 over it.
This has worked fine to date, but I now need to switch to Win 8 again.
I know my laptop supports UEFI, and that the Windows 8 installations are no longer probably on the computer. Is there a way to recover the cd key from the UEFI and use this to download the Win 8 installation files again? The CD key was not supplied in the laptop documentation...
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