Why can't I load an EFI shell anywhere?Windows 7 won't load unless other harddrives “disconnect”ed in...

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Why can't I load an EFI shell anywhere?


Windows 7 won't load unless other harddrives “disconnect”ed in UEFI shellIs the EFI partition and GPT necessary with less than 2 TiB?secondary SATA drive in SATA1 vs SATA3 - EFI booting and BIOS problemsNo EFI boot possible with Clover EFIpartition resize breaks EFI USB installerClover bootloader is missing bootable hard drivesRestoring Windows BootloaderError-handling in EFI startup shell scriptsCant boot to EFI shell Asus MotherboardStartup issues possibly startup.nsh in EFI shell






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So I recently found out I had EFI instead of BIOS and went to experiment with different .efi programs to see which one I would want for full functionality. From 3 bootloaders I have used, I get the error ASSERT_EFI_ERROR (Status = Device Error) and have tried everything to get into a shell. I can get into a UEFI shell using Clover from a flash drive but that is inconvenient. With Clover still one of my options on my Hard Drive it shows that I have EFI Revision 2.0 and Firmware Phoenix Technologies rev 3354.
I then loaded Clover from the flash drive and in the info I have EFI Revision 2.50 and my Firmware is CLOVER Rev 3354. The USB is formatted as MBR and my hard drive is is GPT.



I'm just trying to find out how to get into a not-too-outdated EFI shell. Every download I've used has given me the ASSERT_EFI_ERROR (Status = Device Error) .










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    So I recently found out I had EFI instead of BIOS and went to experiment with different .efi programs to see which one I would want for full functionality. From 3 bootloaders I have used, I get the error ASSERT_EFI_ERROR (Status = Device Error) and have tried everything to get into a shell. I can get into a UEFI shell using Clover from a flash drive but that is inconvenient. With Clover still one of my options on my Hard Drive it shows that I have EFI Revision 2.0 and Firmware Phoenix Technologies rev 3354.
    I then loaded Clover from the flash drive and in the info I have EFI Revision 2.50 and my Firmware is CLOVER Rev 3354. The USB is formatted as MBR and my hard drive is is GPT.



    I'm just trying to find out how to get into a not-too-outdated EFI shell. Every download I've used has given me the ASSERT_EFI_ERROR (Status = Device Error) .










    share|improve this question














    bumped to the homepage by Community 9 hours ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















      0












      0








      0








      So I recently found out I had EFI instead of BIOS and went to experiment with different .efi programs to see which one I would want for full functionality. From 3 bootloaders I have used, I get the error ASSERT_EFI_ERROR (Status = Device Error) and have tried everything to get into a shell. I can get into a UEFI shell using Clover from a flash drive but that is inconvenient. With Clover still one of my options on my Hard Drive it shows that I have EFI Revision 2.0 and Firmware Phoenix Technologies rev 3354.
      I then loaded Clover from the flash drive and in the info I have EFI Revision 2.50 and my Firmware is CLOVER Rev 3354. The USB is formatted as MBR and my hard drive is is GPT.



      I'm just trying to find out how to get into a not-too-outdated EFI shell. Every download I've used has given me the ASSERT_EFI_ERROR (Status = Device Error) .










      share|improve this question














      So I recently found out I had EFI instead of BIOS and went to experiment with different .efi programs to see which one I would want for full functionality. From 3 bootloaders I have used, I get the error ASSERT_EFI_ERROR (Status = Device Error) and have tried everything to get into a shell. I can get into a UEFI shell using Clover from a flash drive but that is inconvenient. With Clover still one of my options on my Hard Drive it shows that I have EFI Revision 2.0 and Firmware Phoenix Technologies rev 3354.
      I then loaded Clover from the flash drive and in the info I have EFI Revision 2.50 and my Firmware is CLOVER Rev 3354. The USB is formatted as MBR and my hard drive is is GPT.



      I'm just trying to find out how to get into a not-too-outdated EFI shell. Every download I've used has given me the ASSERT_EFI_ERROR (Status = Device Error) .







      shell bootloader efi






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 10 '16 at 1:47









      ToastHouseToastHouse

      112114




      112114





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          1 Answer
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          0














          A version-2.0 EFI is unlikely to work well with an EFI shell version 2; you're likely to need a version-1 EFI shell. This could be the source of your problem, but I can't be sure of that. The Arch Linux wiki has some handy download links for several EFI shell variants:



          https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell



          Depending on what boot manager you're using, the ideal location and filename for an EFI shell binary varies. You may also need to explicitly create an entry for an EFI shell much like you'd need for an OS. If Clover remains like its rEFIt ancestor, it will look in EFI/tools on the ESP for an EFI shell binary. My own rEFInd (another rEFIt fork) also looks there. With rEFInd, it should be called shellx64.efi or shell.efi (on x86-64/AMD64/x64 systems). I don't recall offhand if rEFIt used both of those names or just shell.efi.






          share|improve this answer
























          • Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

            – ToastHouse
            Mar 11 '16 at 22:52













          • Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

            – Rod Smith
            Mar 11 '16 at 23:25











          • Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

            – ToastHouse
            Mar 12 '16 at 0:13













          • rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

            – Rod Smith
            Mar 12 '16 at 0:31












          Your Answer








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          0














          A version-2.0 EFI is unlikely to work well with an EFI shell version 2; you're likely to need a version-1 EFI shell. This could be the source of your problem, but I can't be sure of that. The Arch Linux wiki has some handy download links for several EFI shell variants:



          https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell



          Depending on what boot manager you're using, the ideal location and filename for an EFI shell binary varies. You may also need to explicitly create an entry for an EFI shell much like you'd need for an OS. If Clover remains like its rEFIt ancestor, it will look in EFI/tools on the ESP for an EFI shell binary. My own rEFInd (another rEFIt fork) also looks there. With rEFInd, it should be called shellx64.efi or shell.efi (on x86-64/AMD64/x64 systems). I don't recall offhand if rEFIt used both of those names or just shell.efi.






          share|improve this answer
























          • Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

            – ToastHouse
            Mar 11 '16 at 22:52













          • Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

            – Rod Smith
            Mar 11 '16 at 23:25











          • Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

            – ToastHouse
            Mar 12 '16 at 0:13













          • rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

            – Rod Smith
            Mar 12 '16 at 0:31
















          0














          A version-2.0 EFI is unlikely to work well with an EFI shell version 2; you're likely to need a version-1 EFI shell. This could be the source of your problem, but I can't be sure of that. The Arch Linux wiki has some handy download links for several EFI shell variants:



          https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell



          Depending on what boot manager you're using, the ideal location and filename for an EFI shell binary varies. You may also need to explicitly create an entry for an EFI shell much like you'd need for an OS. If Clover remains like its rEFIt ancestor, it will look in EFI/tools on the ESP for an EFI shell binary. My own rEFInd (another rEFIt fork) also looks there. With rEFInd, it should be called shellx64.efi or shell.efi (on x86-64/AMD64/x64 systems). I don't recall offhand if rEFIt used both of those names or just shell.efi.






          share|improve this answer
























          • Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

            – ToastHouse
            Mar 11 '16 at 22:52













          • Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

            – Rod Smith
            Mar 11 '16 at 23:25











          • Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

            – ToastHouse
            Mar 12 '16 at 0:13













          • rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

            – Rod Smith
            Mar 12 '16 at 0:31














          0












          0








          0







          A version-2.0 EFI is unlikely to work well with an EFI shell version 2; you're likely to need a version-1 EFI shell. This could be the source of your problem, but I can't be sure of that. The Arch Linux wiki has some handy download links for several EFI shell variants:



          https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell



          Depending on what boot manager you're using, the ideal location and filename for an EFI shell binary varies. You may also need to explicitly create an entry for an EFI shell much like you'd need for an OS. If Clover remains like its rEFIt ancestor, it will look in EFI/tools on the ESP for an EFI shell binary. My own rEFInd (another rEFIt fork) also looks there. With rEFInd, it should be called shellx64.efi or shell.efi (on x86-64/AMD64/x64 systems). I don't recall offhand if rEFIt used both of those names or just shell.efi.






          share|improve this answer













          A version-2.0 EFI is unlikely to work well with an EFI shell version 2; you're likely to need a version-1 EFI shell. This could be the source of your problem, but I can't be sure of that. The Arch Linux wiki has some handy download links for several EFI shell variants:



          https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell



          Depending on what boot manager you're using, the ideal location and filename for an EFI shell binary varies. You may also need to explicitly create an entry for an EFI shell much like you'd need for an OS. If Clover remains like its rEFIt ancestor, it will look in EFI/tools on the ESP for an EFI shell binary. My own rEFInd (another rEFIt fork) also looks there. With rEFInd, it should be called shellx64.efi or shell.efi (on x86-64/AMD64/x64 systems). I don't recall offhand if rEFIt used both of those names or just shell.efi.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Mar 11 '16 at 3:14









          Rod SmithRod Smith

          17.4k22043




          17.4k22043













          • Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

            – ToastHouse
            Mar 11 '16 at 22:52













          • Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

            – Rod Smith
            Mar 11 '16 at 23:25











          • Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

            – ToastHouse
            Mar 12 '16 at 0:13













          • rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

            – Rod Smith
            Mar 12 '16 at 0:31



















          • Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

            – ToastHouse
            Mar 11 '16 at 22:52













          • Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

            – Rod Smith
            Mar 11 '16 at 23:25











          • Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

            – ToastHouse
            Mar 12 '16 at 0:13













          • rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

            – Rod Smith
            Mar 12 '16 at 0:31

















          Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

          – ToastHouse
          Mar 11 '16 at 22:52







          Yes, an older EFI shell worked. Using that shell how might I be able to add boot entries to my EFI, as I don't have that option in Setup.

          – ToastHouse
          Mar 11 '16 at 22:52















          Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

          – Rod Smith
          Mar 11 '16 at 23:25





          Unfortunately, older shells lack the bcfg command, so you can't manipulate the boot order with them -- at least, not by themselves. (I've always meant to figure out if bcfg could be built as a standalone application, but I've never gotten around to it.)

          – Rod Smith
          Mar 11 '16 at 23:25













          Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

          – ToastHouse
          Mar 12 '16 at 0:13







          Yes, that is also true, there is no bcfg command in the shell I am using. The Windows Boot Manager somehow makes it's way into my Multi-Boot list so I know that it's possible to manipulate that list in some way. I don't want to have be dependent on Microsoft's boot program though, as loading EFI programs like your rEFInd require the EFI/Microsoft/Boot folder to exist, and their files.

          – ToastHouse
          Mar 12 '16 at 0:13















          rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

          – Rod Smith
          Mar 12 '16 at 0:31





          rEFInd does not rely on EFI/Microsoft/Boot/bootmgfw.efi -- at least, not on a working system. (Some EFIs are very buggy and require using that filename to boot anything, but they're pretty rare.) You can use efibootmgr in Linux to manipulate the EFI boot order list. In Windows, bcdedit can do the job, as can the third-party EasyUEFI

          – Rod Smith
          Mar 12 '16 at 0:31


















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