Dell Optiplex 7010 :: No Boot From CD-DVD Even With UEFI OFF And Secure Boot Off

Oct 31, 2014

Everyone:  Absolutely cannot boot from CD-DVD even if I turn OFF Secure Boot and UEFI and my machine lists my CD-DVD as a boot option.  When I then try to boot from the CD-DVD, I get an error message.  (Optiplex 7010 Mini-Tower with Win 8 Pro 64-bit, an Intel i5 3470 processor, 8 GB RAM and 500 GB hard drive.  It has BIOS version A16 right now.)

I started a thread on this issue in Desktop Hardware Forum - [URL]...

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Dell Inspiron 17r SE :: Where Is Boot From USB Option In UEFI Boot Device List

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Where is Boot from USB option in UEFI boot device list in Inspiron 17r SE?

Mine only shows Network in UEFI boot list?

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I have a Vostro 3500 with Win 7 Premium and i try boot from external hd ( i install linux in this external hd- Seagate 320 Gb) and it can't run, i think the problem is secure boot.

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Jun 26, 2014

I'm attempting to enable BitLocker on a Latitude E7440 running Windows 8.1. The system is in UEFI mode with Secure Boot enabled, so I'd like to use Secure Boot for integrity validation. I have the appropriate GPO set, but if I try to enable the TPM protector, I get the following warning event in the BitLocker-API management event log:

BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for variable 'SecureBoot' is missing or invalid.

This is immediately followed by:

BitLocker determined that the TCG log is invalid for use of Secure Boot. The filtered TCG log for PCR[7] is included in this event.

The system therefore ends up configured with a regular platform validation profile instead of using Secure Boot. Is this a problem with the firmware on the Atmel TPM on the system, or is it something else?

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HP G70-460US OS/Software :: No Bios Update To Enable Secure Boot

Jan 19, 2015

A friend ask me to upgrade her G70-460US Notebook PC to Win 8.1 from Vista.  The bios doesn't have a secure boot option and when checking HP the update for this machine doesn't show it either.  It this notebook to old to update to Win 8.1?  If not where do I find the Bios upgrade with the Secure Boot option?

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On my X1 Carbon, I had to move from Win 8.1 pro to 8.1 Ent. I did a fresh install from scratch to only install what I need.During my setup, I had to disable Secure boot, to boot on a USB Key, install 8.1 Enterprise. Now that everything is working, I would like to re-enable the secure boot option.
 
If I don't it directly in the BIOS, the laptop doesn't book any more.Do I have to import key from my 8.1 Ent to the Bios or something like this?

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My laptop was running Windows 8.1 with SecureBoot enabled just fine. But I just swapped out my boot drive for a bigger SSD and, when I tried to boot from my USB installation media (to do a fresh Windows 8.1 install), nothing would happen (the screen would just flash when I tried to select the USB drive). I realized I had to disable Secure Boot in order to boot from the USB drive and then to enable booting from legacy/non-UEFI devices.
 
So now I've been able to install Windows 8.1 and it's running without a hitch, but Secure Boot is still in the disabled state. When I enable it, I can't boot from anything. How can I re-enable Secure Boot with my fresh Windows 8.1 install? Or if I have to reinstall, what steps do I need to take this time?

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Lenovo ThinkPad Yoga S Series :: Disabling Secure Boot On S1

Nov 16, 2014

I am trying to disable UEFI Secure Boot on my Thinkpad Yoga S1 but it keeps getting re-enabled after a reboot. If I set secure boot to disabled I can boot into the non secure OSes installed on the machine imediately afterwards but if the machine is restarted the Secure Boot seting in the BIOS is re-enabled.  It's important for me to have secure boot disabled as I use OSes without secure boot.

I try to disable Secure Boot in the BIOS on the following screen :

Link to image 1

But if I re-enter the BIOS either after booting into an OS or simply re-entering the BIOS, Secure Boot is back on:

Link to image 2

I have also tried to disable "OS Optimzed Defaults" but it also returns to enabled after a restart.

Link to image 3

Some of the other BIOS settings save correctly so I can't figure out why the secure boot settings don't. The BIOS version I have is the latest (1.18).

It's inconvenient to manually disable secure boot each time I want to use the laptop. The two operating systems (Ubuntu and Android x86) do work reasonably well once booted.

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Lenovo B / G Series :: G500 Secure Boot Status Disabled Can't Change

Feb 16, 2014

I have Lenovo G500 with Windows 8.1 Profecional. I use UEFI boot mode, but there is a problem with secure boot.
 
In BIOS Page Security I have
 
  SECURE BOOT                 ENABLED       
  SECURE BOOT STATUS    DISABLED    I cannot change it although I try everything...
 
Windows 8.1 tell me in System informacion(msinfo32) I have secure boot off. I dont have any watermark in my Desktop.
 
I only want to use SECURE BOOT.

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Lenovo U/S Series :: Windows 8.1 On IdeaPad U330 - Secure Boot Not Being Configured

Oct 19, 2013

Yesterday, I updated to win 8.1.  The process appeared to go smoothly, but I now have a number of issues:
 
1  If I close the lid and reopen, the sytem does not wake up.   It does not wake up if I press the power button.  All I can do is a hard shutdown and reboot.  This occasionally gives an error message on restart, but has not produced any solutions.
 
2 There is a message about secure boot not being configured
 
3 The support app has a cross on it and won't work
 
No doubt there are other problems, but number 1 is the killer....

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Dell :: Will N5110 Support UEFI Boot Mode

Mar 1, 2013

Will N5110 support UEFI boot mode and when?

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Feb 18, 2015

I'm having getting my USB stick recognized as a bootable device (installing windows 7 onto a system that came with windows 8.1 pre-installed, no optical drive)
 
System: Acer E 15 (E5-571), BIOS V1.15 (UEFI)
 
What I've tried:-Disabled Secure Boot
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-Created bootable USB stick with Windows 7 iso, via 'Rufus' (on alternate Windows 7 system)
-Windows 8.1 Advanced Restart -> Boot from UEFI USB Device (No UEFI device recognized) 
 
What worked:-Enabling 'Legacy Boot Mode': USB stick was recognized upon boot and loaded Windows Installation.  HOWEVER, Windows 7 won't instal to a GPT formatted drive under Legacy Boot Mode.  I've read booting in UEFI mode is the only way to get Windows 7 to install onto GPT.
 
What I don't want to do:-Format the drive, change drive mode to MBR to instal Windows 7.  Why?  Because then I'd loose the factory installation of Windows 8.1

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I have a new dell latitude 6510 notebook and now i will install Windows 7 Pro 32 Bit again. When selected "Boot List Option" under bios settings i see legacy and uefi but i can´t "Add Boot Options" - Warning "File System not Found". Windows 7 Pro 32 Bit is installed and working under legacy but not working on uefi. When uefi selcted windows 7 pro 32 Bit is installed and when installation is finish can´t find bootable device.

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Dell Inspiron SE 7720 :: UEFI Boot From USB Drive Is Not Working

Feb 15, 2013

I have just purchased a Dell Inspiron 17R Special Edition 7720. It came with a preinstalled Windows 8 (so 64-bit and mandatory UEFI boot). I want to use Linux (more specifically, Archlinux) for work and Windows for games, so dual boot is needed.

I almost completed the Linux installation except for the bootloader: I need to boot Linux from UEFI and didn't manage to do it so far. Here is what I did after I received the PC:

-Disabled Secure Boot; updated BIOS to version A12
-Resized the main Windows partition and created a few partitions for Linux;
-Switched to legacy boot mode and managed to boot a MBR-bootable Arch linux installation USB drive;
-Installed most of the system switched back to UEFI boot mode, Secure Boot off.

At this time I needed to boot the kernel from UEFI for the bootloader installation program to have mandatory access to the EFI environment variables. So I created an UEFI-bootable Archlinux installation USB drive (with a FAT partition) but so far I couldn't manage to successfully boot this drive from UEFI instead of Windows 8.

I think I really tried every single combination, such as:

different USB ports; different boot entries created with F2 boot setup, with different parameters; different orders for the boot entries; hit my boot entries directly within F12 boot menu.

No matter what, in UEFI mode the system always boots the Windows partition.

Also, I could not find any relevant manual or software documentation about the A12 BIOS on the Dell site, did I miss something?

The solution that the user described in this thread to UEFI-boot to a DVD did not work for me with a USB drive.

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Oct 22, 2012

I received my Dell Inspiron 15R - 5520 laptop and am attempting to set it up to perform a UEFI boot to a Windows 7 (64 bit) installation.  I am using bios version A11 which is the latest available.

If I use legacy, I am able to boot fine to the Installation DVD and install/use the system.   If I use UEFI (non-secure boot),  it will freeze during the boot process for a long period of time.  I do not ever get to the GUI to attempt installation. I have tried clearing the disk partitions using diskpart -> clean to ensure it is not due to having GPT vs MBR and have also tried changing the SATA adapter to ATA vs AHCI.

Alternately,  I am able to boot to,  and install Windows 8 RTM in UEFI mode.  

Before I get a lot of responses of "Don't use UEFI",  the reason I purchased this laptop was for the purpose of dual booting between windows 8 and windows 7 for development purposes,  and require the use of secureboot to properly test the software I am developing.   If this laptop is not able to run Windows 7 in UEFI mode,  I will need to return it and select an alternate vendor.

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I just received my XPS 15 and plan on dual-booting Win 7 and Ubuntu. I'm trying to install both, but I have no disk drive boot option in UEFI mode, only in legacy mode.

How can I boot from a disk using UEFI mode?

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I've finally managed to find someone to replace my optical drive with an SSD (wouldn't want to void the warranty, do we?) and I've got quite bit of a problem here. After installing Windows 8 on the SSD, I get the error "winload.exe missing or corrupted" and error code 0xc000000e. The installer automatically put the boot data on the original HDD, while the OS is on the SSD - and it seems the UEFI can't find the OS like this.

The OS itself seems to be intact, since pressing F12 at booting and selecting Hard Drive starts the computer normally.

I've tried to move the boot sector to the SSD, but it seems I'm missing something... Would a BIOS update maybe work with this?

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My Lenovo U430 touch came with a Samsung 128GB SSD. Since it was becoming a little on the small side, I decided to replace it with a Samsung EVO 250GB SSD.
 
My first thought was to clone the old SSD and then resize the partitions afterwards. I quickly ran into trouble, the cloning didn't work out. So I decided to begin from scratch. So I installed the new SSD and installed a bare Windows 8.1 Pro install.
 
Although everythings works one thing is still bugging me. For the new Samsung SSD to be bootable I must:

- Disable Secure Boot
- Enable Legacy booting

I thought all the necessary codes were a BIOS / OS thing?

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My notebook model is   HP PAVILION 15-n205tx
 
Click here for product details
 
My notebook pc is installed with Windows 8.1 and i would like to dual boot it with Windows 7 using a cd but when i try it ,there is an error saying windows cannot be installed in the selected partitions as it is of GPT format.
 
How to dual boot my pc.

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Lenovo G570 have a UEFI? If yes then how I can to make the UEFI boot by default?

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Yesterday I flashed the firmware of my XPS L702X to version A19, which enabled UEFI boot mode. I decided to go ahead and try to install Windows 7 in UEFI mode on a GPT disk. Installation succeeded, booting failed however. Then I read a message on the web from someone who succesfully installed Windows 8 on the same machine in UEFI boot mode on a GPT disk. So I decided to try Windows 8 instead. Installation failed. Using the recovery menu from the Windows 8 installation media, I wanted to try and see how far installation had come and more or less accidentally selected in some "Advanced options" menu to reboot to my USB flash drive (where the Windows 8 files were on). Rebooted fine. Then I shutdown, using the regular option.

When I turned on my machine again, I found out that pressing either F2 or F12, for the firmware setup and the boot menu, respectively, didn't work anymore. The firmware recognised my input, as the text in the lower right of the Dell splash screen became lighter, but instead of entering setup or the boot menu went straight ahead to boot my existing and working Windows 7 installation on my first (MBR) hard drive instead.

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I have a y500 Lenovo gaming laptop with Windows 8, and for the past couple of days, each time my laptop is put in hibernation or powered down, whenever I turn it back on it gives me this message:

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