Windows 8 - Cannot Start On UEFI Mode
Feb 15, 2014
I am using Windows 8.1, now I have a problem because i wanted do dual boot it with ubuntu and it didnt work on UEFI mode, but then when I installed ubuntu windows 8 wouldn't start... then I formated it with a downloaded windows 8 torrent... but now I can't start it on UEFI mode
It says something "media not found" or "failed" ... so if I want to start it I have to change to legacy mode......
Is there anyway to get it back to start it with UEFI? It ain't activated yet.. Windows 8.1 pro... is there any activatior or something too???
Or if I downgrade it to Windows 7? would it be any more the UEFI problem?
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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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Jun 2, 2014
I cannot install windows 8 in BIOS or UEFI mode.
it's getting boot and install only in EFI mode. after trying to reinstall it won't allow me to select the disk partition, as it gave me the error "
Windows 8 cannot be installed to this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks." i tried all the given solutions on GOogle. even i cannot recover or refresh using windows 8 environment. many times it gives me BSOD. cannot vonvert to MBR as it says it cannot be done on virtual HDD.
tried many things nothing works, need to install windows 8 after every 1 or 2weeks, many a times my BCD data gets corrupt, and windows wont start. Also tried many things to repair this, but only thing that works is reinstalling windows 8.
That gpt or MBR error was solved by selecting UEFI:CD drive. in boot options by pressing F12 after inserting the disk.
My system configuration:
System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8 Pro, 64 bit
Processor: Intel(R) Pentium(R) CPU G645 @ 2.90GHz, Intel64 Family 6 Model 42 Stepping 7
Processor Count: 2
RAM: 3029 Mb
Graphics Card: Intel(R) HD Graphics, -1813 Mb
Hard Drives: C: Total - 102399 MB, Free - 33011 MB; D: Total - 374009 MB, Free - 51233 MB;
Motherboard: Gigabyte Technology Co., Ltd., H61M-DS2
Antivirus: Windows Defender, Disabled
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May 7, 2013
I was finally able to install windows 8 in uefi mode using a usb and was wondering how i could install ubuntu 13.04 to dual boot with windows 8 uefi? basically i dont want to disable secure boot nor any other feature in bios. If can go into youtube and search for "Dual-Boot Windows 8 and Ubuntu 12.10 by AvoidErrors" and tell me if that video is the way to install it.
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Nov 9, 2013
I have a Samsung Ultrabook series 5 laptop..some couple of month usage i completely remove my hard drive and change the windows 8 to windows 7..when i use windows 7 i realize windows 8 is much better then windows 7 so again i clean install of windows 8. i boot drive in PXE UEFI Only Mode. Some reserved partition created also 300MB Healthy Recovery Partition is Created.when i install a Samsung Recovery Solution Software it Says "Recovery Partition Does Not Exist"..What do i do.also when i refresh Pc it gives me Error "The Drive is Locked Where the Windows Installed" I want to make my Laptop like 1st time it was...
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Sep 15, 2014
I have original ISO file from MSDN website - it is Windows 8.1 Update 1 Enterprise (x64) MSDN version with Slovak language interface. I create a bootable DVD (Verbatim DVD-R 4,7GB) in program ISO2Disc. This ISO I would like to install on to my system , more details about my pc - see my system specification. My motherboard is MSI Z77 Mpower with latest version UEFI - BIOS 17.12
I have a few question about installation a new windows 8.1 in uefi mode:
-what a bootable media is better ? I think USB stick or DVD disc
-what the function in the BIOS I must turn on or off, I mean the fast boot or memory fast boot
-UEFI mode is better then LEGACY mode ?
I have a bootable DVD Parted Magic , it is good Partition Manager. I must change MBR format to GPT - only GPT is supported format for UEFI , is it rue ? So , now i should format all disc inside my pc (secure erase for ssd disc and wipe for hhd). I can create NTFS partition with GPT format and aligned to 1204MB for all solid state discs and HDD. I can do this ?
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Dec 20, 2013
I built a new PC running 8.1, GPT, UEFI secure boot mode, everything. I'm now at the point where I'm ready to start migrating my data to it, but before I do that, I need to get some backup software that offers me the option to boot from a recovery CD and restore from an image file backup stored elsewhere. Until I've wiped this install & restored successfully, I don't consider it a usable machine. I already have this setup working on my Win7, but for some reason that software is not working with 8.1.
So I'm looking around for something new, and I'm on a trial of Paragon Backup and Recovery Home 12. It says I can create a WinPE disk (and I must use this, since I'm using Intel firmware-based RAID) that will allow me to do a bare-metal restore. The takes me to a link on their website for something called the "Paragon Boot Media Builder." And there's documentation on it, but I can't find out how to download it. If I Google downloading that, a bunch of pirate websites show up & not much else.
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Apr 2, 2014
So I've searched, and I've tested, and now I'm about to turn my laptop into a frisbee and never buy a Samsung PC again. In short, I bought an ATIV 7 whose previous owner had downgraded to Win7. I wanted to put Win 8 on and I have a volume license as well as the OEM key so I burned the ISO (actually 2 different ones) using every method I could find (ImgBurn, Rufus, Iso2Disc, Win7 Download tool, etc.) It became clear that the USB needed to be formatted FAT32 with GPT filesystem, however in UEFI mode it shows the USB but won't allow me to select it - it just flashes. If I set it back to CSM and UEFI I can make a USB boot, but even if I use diskpart to clean the drive and convert to GPT it will fail to install because it detects I didn't boot in UEFI mode.
Here's the deal. When I'd installed it earlier this week in CSM and MBR mode, and then converted to UEFI it worked fine. So....I tested several recovery programs we use at work to make sure they'd restore it okay via bootable media. Paragon, Aomei, Macrium, Lazesoft - all boot media failed. ONLY True Image 2014 DOES ACTUALLY BOOT in UEFI mode on my laptop. The only thing I can figure is that the way WinPE 5 or 5.1 (whatever it uses) is set up on it agrees with my laptop. So how I can modify the Acronis recovery media or create similar WinPE media that might actually boot on my laptop.
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Sep 15, 2014
I need to change some setting in my UEFI/BIOS but it is stuck in ready only mode. All options are blanked out except for "exit". How can I get it to let me edit the settings again?
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Nov 13, 2013
I recently tried to update my graphic driver through Windows Update and it caused the screen to go black. I thought I would be able to boot in safe mode and restore the changes, but it does not seem to be as easy as that in Windows 8.
I can access BIOS with F2, but nothing happens when I hold down or tap F8. I have tried to search around for a solution, but they are either not working, require the OS-CD or me to be able to log in somehow...
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May 12, 2014
Last night I updated windows 8.1 from windows 8. It got to the stage where it needs to restart so it done that started the configarations and once it reached 100% it restarted.
Since then what happens is when i press power on the samsung logo comes on the screen then the black screen with the windows picture then the bsod comes up for around half a second and it restarts. then it constantly does this.
The whole cycle only takes a few seconds.
Ive tried booting in safe mode but this isnt working so I downloaded kav rescue on another computer and saved it on a flash drive, But it wont boot off this either.
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Nov 15, 2012
Installed Windows 8 in GPT-mode, and the manual from Intel on how to make the hibernate-partition, does not seem to work, when the SSD is not in MBR-mode. In diskpart I can create the partition, but I can't set it to ID=84 when in GPT-mode. Diskpart returns an error, saying that it is not legal setting.
Intel Rapid Start works really fast in my Windows 7 MBR installation, so I would really like to have it in Windows 8 too.
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Aug 3, 2013
My father inlaw just got a new computer with windows 8 I am not familiar with windows 8.
When he starts the computer and goes to the start button all the icon show up and when he presses the E internet icon it comes up with unable to connect then theres a push to reset button and nothing happens. Know when he touches the background (personal home I am guessing) icon his home background comes up and shows google chrome and when he touches it it connects and down in the left hand corner of screen the E internet icon is there and when he touches it the internet comes up.
how do I get the E internet icon to work in the start mode.
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Aug 15, 2013
I was messing around with the Win 8.1 preview in a VM tonight and noticed that you can have the Desktop Mode opened half screen along with Modern UI apps on the other half of the screen. I haven't heard about this capability, only 2 Modern UI apps sharing the screen at any one time.
[URL] .....
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Sep 15, 2014
Every time I start and restart my Windows 8.1 laptop it goes automatic in Power Save mode. How do I turn this off and late it every moment in High Performance?
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Jun 9, 2013
I'm using start8 and dual monitor setup in extended mode. Is there a way to keep the metro start menu up on 2nd monitor while have a browser or another program open on the 1st monitor.
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Jan 2, 2014
My screen seems to have a grey filter overlaying it. See attached.
When i booted it in safe mode, the screen is showing the right vibrant colors. When i booted it back to normal mode, the screen is greyish but strangely the mouse is showing the correct white color.
I have googled across numerous website but none of them bring me closer to the issue. I have read the thread, Personalize Suddenly Greyed Out but this is not what i encountered. The options or buttons or selections did not grey out, it affects the screen only.
I cannot afford a system restore because i shared this laptop with my gf.
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May 16, 2013
I bought a Toshiba laptop that came with pre-installed Windows 8. I went into the "Bios" and switched from UEFI to CSM, Now my laptop just doesn't work. I am on a public computer posting this because mine will just not boot at all. It won't even show the boot logo, and I cannot get back into the Bios to switch it back to UEFI. I am not sure what information I could add on to here to be more clear other than I screwed up bad. The laptop didn't come with a disk, and I tried to hold 0 while powering up the laptop hoping that it would reset to factory settings, but no luck there either.
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Sep 21, 2013
I have very little experience with Windows 8 until now. I am having an issue trying to run System Refresh or System Restore from the System Recovery Environment booted from the Windows disc. When I try to run it from the disc I already System Refresh says that the drive is locked. I tried System Restore and it said no OS's were found. I went into the CMD prompt and went to c: and can see the drive just fine.
Steps tried: running fixboot, fixmbr, rebuildbcd commands from CMDrunning dskchk /f (which forced a dismount)
I then read something about a non UEFI bootable disk couldn't access a GPT partition, which I think is the case here. So then I tried oscdimg to make my iso UEFI bootable (twice) and the UEFI Boot Manager still only shows 'Windows Boot Manager' at the boot menu. I even tried downloading an iso that was already UEFI incase I did it wrong and it still doesn't see it.
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Apr 17, 2014
Check my specs for details
So recently after the windows update. The one that makes Windows 8.1 more "keyboard and mouse" friendly
Every time i restart my computer,it logs in quiche but the start up programs take forever to run around 3~5
The list of start programs is there on the screen shot
The rest of them are disabled
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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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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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Aug 31, 2013
I would like to know how to install Windows 8 from a hard drive partition, so that is much faster than installing from a USB ... I've seen guides on how to do, how bad MBR, and I want to know how install W8 from a partition GPT / UEFI.
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Jul 7, 2013
So, I am trying to install Windows 8 with UEFI support.
Which means file system can only be fat32 because UEFI doesnt support NTFS. Now my install.wim file is over 4GB in size, so I am unable to copy it to the usb drive because of fat32 limitations.
How would you go about this ?
I tried creating 2 partitions on my usb. One fat32 - which contains all boot data and second partition is NTFS which has only my install.wim file.
Now I am able to boot, but it doesnt detect my install.wim obviously because it is in another partition. What command should I use to pull it from another directory ? I am able to open CMD on the set up screen.
OR any other way to accomplish this ? How would you go about this ?
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Apr 9, 2014
I have T430s my laptop got licence in UEFI of windows 8.
1. How can I download legaly windows 8 and reinstall windows?
2. Can I download windows 8.1 install without taping serial and activate afterwards?
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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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Jun 27, 2014
I got a (at the time new) MSi laptop several months back with just a regular Windows 8 Core x64 on it and a UEFI boot system (or whatever is the name for "BIOSs"). At some point I had problems with the settings - I couldn't open any of my computer's settings - and I researched long and hard to no avail.
So I installed Windows 7 32-bit (the only disk I had). Now, I'm trying to upgrade to Windows 8.1 Pro. I noticed that after the installation of 8.1 Pro my system was still running in 32-bit, so I made a bootable USB stick with the retail version of Windows 8 Core with no key just to get the system back to x64. It worked just fine. I cannot, however, boot in UEFI mode. I believe the partition got wiped somewhere in the Windows 7 installation.
Whenever I enter UEFI by pressing the DEL button (I cannot see the UEFI firmware settings tile under the Troubleshoot option) I see the boot mode is LEGACY and when I change it to UEFI, save and reset, it doesn't boot, giving me a "No media found" error. I don't care about my settings/files as long as I get UEFI back with Windows 8.1 Pro running. My next attempt would be to try and install 8.1 Pro from USB stick, wipe all the partitions and hope the installer will create new ones. The reason this would work when it didn't before is because I had the OS running in x86 not x64 (which UEFI doesn't support). So maybe now that the system is back to x64 the Windows installation will restore the UEFI back to its original state.
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Jan 10, 2014
Windows 8.1: HP Pavilion 2475ea Desktop PC.
I have Secure Boot turned off. I have Legacy Boot turned on, but do not think that is needed.
This link gives me instructions to boot from CD but they seem not to make sense from No 2... [URL] .....
In that at 5-6-7 it seems to require me to select the CD then boot to Windows from HDD then restart and do the same again, but this time select CD again, or something??
I expected to set the device, then restart the computer and it would boot from the device, not restart Windows as described. I was able to boot from a WinPE 4b CD.
I then decided to try changing boot order in the UEFI BIOS. From then on the HP (F9) described menu showed 'Windows Boot Menu' only under UEFI Devices. I could only boot from CD after putting the order back to 'Windows Boot menu' at the top of the order list; after which, as long as the CD was in the drive the (F9) list showed the CD drive as selectable to boot from.
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Jul 14, 2013
Windows 8. I am confused with the Legacy and the UEFI boot methods. The reason I am confused I think, is because I read to darn much on the Internet. One bit of confusion is with respect to changing from UEFI to Legacy. It would appear from some comments that if I do that, Windows 8 won't boot anymore. I would have to change back to UEFI for indows 8 to boot.
I also read that changing back to UEFI could be a major problem when trying to access the BIOS. No, I am confused. My ultimate goal is to set my laptop up to dual boot Windows 8 and Ubuntu. Like I have been doing for the last multiple years with XP and Windows 7.
Dell Inspiron 5721
Windows 8
Intel i7 @ 1.9 GHz
BIOS Version - Dell Inc. A06 2/22/2013
SMBIOS - 2.7
BIOS Mode - UEFI
Secure Boot State - On
Memory - 8 GB[/QUOTE]
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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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Apr 21, 2013
My wife got a new Dell XPS laptop from her employer. A very impressive bit of kit with Windows 8, 64 bit, masses of RAM and many, many processor cores (dreadful touchpad though ). And 1TB HDD.
She asked me to set up it the same way as her existing Windows 7 laptop, so a fun few hours discovering how the charms bar works (before giving up on that and going for Start8) and installing various bits. I then decided to partition the huge drive so the OS and program files are on one partition which can be imaged and restored with Acronis as required while all the jpgs mp3s docxs etc remain safe on the second partition (every computer in out home is set up this way and I've found it to be the best method).
I shrank the partition as much as possible and ended up with 400 GB before immovable files put a stop to that - needlessly large I thought so I installed EASEUS partition manager which I have used with W7 without problem (can you see my obvious mistake yet?) and set it for a 200 GB partition, started it going and popped back five minutes later expecting to find everything as desired. Instead the laptop no longer believed it had a HDD. The current situation is that the machine is pretty much as wanted except the partition sizes aren't as required and no Acronis image has been made.
So, the questions this experience raises are:
1. Did the drive fail or did EASEUS break it? (If it was just waiting to fail my opinion is that it's good to find out so early on and not when it was full of data that hadn't been backed up).
2. Which partition managers are safe to use with the combination of Windows 8 and UEFI that Dell have produced? I'm somewhat nervous of just experimenting on this point.
3. Is Acronis safe to use with Windows 8 and UEFI.
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