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Booting Troubleshooting

 
  1. When I boot the system, the fans turn on, but I see nothing on screen.
  2. The system hangs right at or before the memory test on bootup.
  3. The system halts while trying to detect plug-n-play devices.
  4. The PC hangs on bootup without accessing either the A drive or C drive.
  5. The system just boots to the hard disk without ever even looking at the floppy drive.
  6. I am trying to boot to a system disk, but the PC just hangs while accessing it.
  7. The PC hangs when trying to access the hard drive on bootup.
  8. NTLDR is missing Press any key to restart
 

 


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When I boot the system, the fans turn on, but I see nothing on screen.

This could be caused by many different things.
  • If no video or audio (no beeps or anything), check to be sure the PC speaker is connected properly. If it is and you still are getting no feedback, then you may have a bad motherboard or a device connected to it is faulty. 
  • Could be faulty RAM or a CPU. Check the connections between all these devices and the motherboard. But, nonetheless, since the computer is doing nothing, something is faulty at the hardware level. 
  • If no video, but static from the PC speaker, then you need to go after the motherboard or key system device. Pretty much the same as above. 
  • If you're getting a pattern of beeps from the PC speaker, then consult the beep codes section for a clue as to where to start.

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The system hangs right at or before the memory test on bootup.

If the system gives you an error before hanging up, then begin troubleshooting based on that error. If it does not, then suspect a possible memory failure. If you have tested the memory and it is fine, then it is probably a faulty motherboard or key system component. Always, of course, be sure the memory is fully fastened into the DIMM slots.

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The system halts while trying to detect plug-n-play devices.

It sounds like your expansion cards may not be fully seated, try reseating these and see if this helps.  If this doesn't help, you can try removing non-essential cards to narrow down the culprit.  Also, if you have SHADOWING enabled in the BIOS, try disabling this.

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The PC hangs on bootup without accessing either the A drive or C drive.

This usually means that (A) you have no A: drive installed or it is not properly connected, and (B) you have no hard drive connected or it is not properly partitioned and formatted.

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The system just boots to the hard disk without ever even looking at the floppy drive.

You need to go into your BIOS and adjust the boot order. The boot order controls which order the system looks at the drives when you turn it on. Adjusting it to A, then C will make it check the floppy drive before looking for the hard drive.

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I am trying to boot to a system disk, but the PC just hangs while accessing it.

It is possible that you have a bad diskette.  Try another one and see if the problem persists.

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The PC hangs when trying to access the hard drive on bootup.

There may be a problem with the connection to the hard drive. Usually, in this case, it will give you some type of error message to clue you in on the problem. Sometimes, though, a simple CTRL-ALT-DEL will do the trick because sometimes the hard drives take so long to power up that they aren't ready when the PC tries to look for it.

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NTLDR is missing Press any key to restart

Cause: 
This is very often the result of a corrupted BOOT.INI file. 

Definition:
NTLDR is Short for NT Loader, a program loaded from the hard drive boot sector that displays the Microsoft Windows NT startup menu and helps Windows NT load. 

Try this as a possible fix in Windows XP:

Boot to the XP CD. When it asks you if you want to install or Repair, choose Repair. This will take you to the Recovery console. Choose the XP install to log into, usually there's only 1, and enter the password when prompted. For Home, the default password is blank. At the C:\Windows prompt type the following commands:

  1. FIXBOOT, answer Yes
  2. CD \
  3. ATTRIB -H NTLDR
  4. ATTRIB -S NTLDR
  5. ATTRIB -R NTLDR
  6. ATTRIB -H NTDETECT.COM
  7. ATTRIB -S NTDETEC.COM
  8. ATTRIB -R NTDETECT.COM
  9. COPY X:\I386\NTLDR C:\
  10. COPY X:\I386\NTDETECT.COM C:\

In steps 9 and 10, "X" is the letter of your CD-ROM drive.

Also, check out these MSKB articles for further troubleshooting on this issue:

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