The system has loaded NTLDR and transferred control of the startup process to NTOSKRNL (the kernel).The system has completed the Power-On Self-Test (POST).When you encounter one of these stop codes, the following has happened: These stop codes always occur during the startup process. Stop 0x0000007B (INACCESSIBLE_BOOT_DEVICE) These two errors have similar causes and the same, steps apply to both of them. Stop 0x000000ED (UNMOUNTABLE_BOOT_VOLUME) Troubleshooting Common Blue Screen Error Messages Visit the Dell Online Diagnostics to get more information and run a scan of your computer. The error message has changed from a dense wall of information in Windows NT 4.0 to the comparatively sparse message in modern versions of Windows.ĭell provides online diagnostics that can identify problems with your computer hardware or configuration that may be causing the issue. Windows detects that hardware has failed in a nonrecoverable fashion.Windows detects that critical OS data has become corrupted.Windows detects an error that it cannot recover from without losing data.The appearance of these errors is where the term 'Blue Screen' or 'Blue Screen of Death' has come from. When Windows encounters certain situations, it stops and the resulting diagnostic information is displayed in white text on a blue screen.
