Table 9-9 Operating Systems Symptoms, Problems, and Solutions
| Symptom | Possible | Items to Check | Typical Solution |
| Cause | |||
| BSOD | Various prob- | Note the STOP error | Research the STOP error |
| (STOP Error) | lems with | code. | code at http://support. |
| Windows con- | microsoft.com. | ||
| figuration or | Replace any defective or | ||
| hardware. | |||
| incompatible hardware or | |||
| software. | |||
| Failure to | The boot | Check the CMOS setup | Set the boot order to include |
| boot | sequence | for boot order. | system hard disk. |
| doesn’t list the | |||
| boot drive. | |||
| “NTDETECT | Recopy file from | Boot to the Recovery | |
| Failed” error | Windows CD. | Console and enter this com- | |
| message (XP). | mand: | ||
| copy d:\i386\ntdetect. | |||
| com c:\ |
Restart the computer.
| Chapter 9: Troubleshooting 187 | |||
| Symptom | Possible | Items to Check | Typical Solution |
| Cause | |||
| “NTLDR is | Recopy file from | Boot to the Recovery | |
| missing” error | Windows CD. | Console and enter this com- | |
| message (XP). | mand: | ||
| copy d:\i386\ntldr c:\ | |||
| Restart computer. | |||
| “Invalid boot. | Recreate file with | See KB330184 at http:// | |
| ini” message | bootcfg. | support.microsoft.com. | |
| (XP). |
“Ntoskrln.exe is missing” mes-sage (XP).
| Repair boot.ini first. | See KB314477 at http:// |
| If the problem persists, | support.microsoft.com. |
| restore the file from | |
| Windows XP media. |
| “Missing oper- | Verify the correct boot | Boot to the Recovery | |
| ating system” | order in the CMOS, | Console and enter this com- | |
| message (XP). | and then repair the boot | mand: | |
| sector. | fixmbr | ||
| Restart the computer. | |||
| “Missing | Repair with System | Use Startup Repair (Figure | |
| operating sys- | Recovery Options | 9-7). | |
| tem” message | (recovery media or | ||
| (Vista/7). | boot from hard disk). | ||
| “BOOTMGR is | Repair with System | Use Startup Repair, or open | |
| missing” error | Recovery Options | command prompt and run | |
| message (Vista, | (recovery media or | the following: | |
| 7). | boot from hard disk). | Bootrec /fixboot | |
| “Windows Boot | Try options for | Open the command prompt | |
| Configuration | BOOTMGR error; | and use these commands: | |
| Data File | if these don’t work, | Bcdedit /export C:\ | |
| is missing | rebuild the BCD store | ||
| BCD_Backup | |||
| required infor- | manually. | ||
| mation” mes- | ren c:\boot\ bcd bcd. | ||
| sage (Vista, 7). | old | ||
| Bootrec /rebuildbcd | |||
| See KB927391 (Vista) and | |||
| KB2004518 (7) at http:// | |||
| support.microsoft.com. | |||
188 CompTIA A+ Quick Reference
Table 9-9 Continued
