STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE - 0x7B

	A problem occurred during the initialization of the I/O system; often the startup device or the file system. Windows XP lost access to the system volume or boot volume during the startup process. Initialisation of the I/O system failed (usually the boot device or the file system), Windows lost access to the system volume or boot volume during the startup process. This error always occurs while the system is starting and is often caused by one of the following: Hardware problems e.g. A failed boot device Corrupted or incompatible storage drivers SCSI, RAID, UDMA IDE, SATA File system problems Boot sector viruses Outdated firmware During I/O system initialisation, this error can occur when the controller or driver for the startup device (typically the hard disk) failed to initialise the necessary hardware; The file system initialisation failed because the system did not recognise the data on the boot device. This error can also be caused by an incorrect Advanced RISC Computing (ARC) path in BOOT.INI. ARC paths are used to define the path to the Windows installation on Intel x86-processor-based machines. See: .
	When you start your computer from a Microsoft Windows Preinstall Environment (WinPE) CD-ROM, or from a Microsoft Windows Server 2003 CD-ROM, by using a USB CD-ROM device, the computer may restart. You may receive the following Stop error message on a blue screen: STOP 0x0000007B: INACCESSIBLE_BOOT_DEVICE Fatal System Error
	When you start your computer, you may receive one of the following error messages: STOP: 0x0000007B (parameter1, parameter2, parameter3, parameter4) INACCESSIBLE_BOOT_DEVICE Setup has encountered a fatal error that prevents it from continuing. Contact your product support representative for assistance. The following status will assist them in diagnosing the problem. (0x4, 0x1, 0, 0) Setup cannot continue. Power down or reboot your computer now.
	When you start your Microsoft Windows XP-based computer after you replace the motherboard on the computer, you may receive a Stop error message that is similar to the following: STOP 0x0000007B INACCESSABLE_BOOT_DEVICE
	After you move the Microsoft Windows XP system (boot) disk to a backup computer, you may receive the following Stop error when you try to start the Windows XP-based backup computer: STOP: 0x0000007B (0xF741B84C, 0xC0000034, 0x00000000, 0x00000000) INACCESSIBLE_BOOT_DEVICE
	When you restart your computer after you remove Roxio Easy CD Creator 5 Platinum Edition, you may receive a STOP error message on a blue screen that is similar to the following: A problem has been detected and Windows has been shut down to prevent damage to your computer. *** STOP: 0x0000007B (0xF9E62640, 0xC0000034, 0x00000000, 0x00000000)
	You may receive an error message on your computer that is running Microsoft Windows Server 2003, Microsoft Windows 2000 Server, Microsoft Windows Small Business Server 2003, Microsoft Small Business Server 2000, or Microsoft Windows XP. When this issue occurs, your computer may stop responding. (STOP 0x0000007b or STOP 0x0000000a, with Pqv2i.sys driver [V2i Protector 2.0] from Symantec)
	When you are installing Microsoft Windows XP or Microsoft Windows Server 2003 on a new computer or on a computer that has the latest SCSI or IDE controller technology, you may have to use an OEM device driver to support, for example, a new mass storage controller, to continue with the installation. The symptoms that you have to install an OEM device driver include the following: The computer may keep restarting and never start the GUI installation after the text mode Setup is finished. The Setup program may stop, and you may receive an error message if the Setup program does not correctly detect the controller. If you are booting from the installation floppy disks or CD-ROM disc, you receive the following error message: Setup did not find any hard disk drives installed in your system. If you are upgrading by using the Winnt32.exe file, or if you are performing a new installation by using the Winnt.exe file, you receive the following Stop error: Stop 0x0000007B Inaccessible_boot_device
	You may experience one or more of the following symptoms: After the first reboot of Windows XP Setup, you may receive one of the following error messages: No operating system Setup has determined that Drive C: is corrupted and cannot be repaired. To quit setup press F3 Windows could not start because of the following ARC firmware boot configuration problem. Did not properly generate ARC name for HAL and System path. Please check the windows documentation about ARC configuration options and your hardware reference manuals for additional information Stop: 0x0000007b (0xf898963c, 0xc0000034, 0x00000000, 0x00000000) Windows XP Setup may stop responding (hang) and display a blank black screen after the first reboot; After you install Windows XP, secondary hard drives that worked and appeared correctly in the following operating systems may appear to be damaged or have a size of zero bytes: Microsoft Windows Millennium Edition (Me); Microsoft Windows 98 Second Edition; Microsoft Windows 98; Microsoft Windows 95.
	During an unattended setup of Windows XP where you have set the Repartition option to Yes, when you press F6 to load drivers, the process may generate a STOP 7b error after the text mode portion of setup.
	Related Articles The source and destination computers must use the same type of HAL. There is one exception to this rule. If one of the computers contains the Advanced Configuration and Power Interface (ACPI) multiprocessor HAL, the other computer can have the ACPI uniprocessor HAL. The same rule applies to MPS multiprocessor and MPS uniprocessor HALs. This step-by-step article describes how to prepare to upgrade from Microsoft Windows 98 or Microsoft Windows Millennium Edition to Microsoft Windows XP. The information in this article may be useful to help you avoid some common upgrade-related issues. This article describes Hardware Abstraction Layer (HAL) options that are listed in Device Manager and the options that are available after you run Microsoft Windows XP Setup or Microsoft Windows Server 2003 Setup. This article describes how to force in a system Hardware Abstraction Layer (HAL) during an upgrade or an installation of Microsoft Windows XP.