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Question about ASUS P4S533 Motherboard

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P4b533 ntldrv is missing

Have been having no problems then turned machine on 1 day and got this error ntldrv missing please help having m.o.h withdraw

Posted by George VanArsdale on

  • guptaarvi Feb 23, 2009

    my operating system ntldr file is missing how can i get back



1 Answer


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Grandpa, A common cause of this error is leaving a disk in the floppy, CD or Zip drive. If that isn't the case then the problem becomes more serious. Let us know if this solves your problem or if we need to continue.

Posted on Feb 22, 2007


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One beep, quick pause, then constant series of beeps. Memory, cpu, power supply replaced. Shows the Asus boot P4B533 graphic on screen while error beeps. I get the proper related error beeps if memory, agp...

It does sound like the motherboard failing as you have tried everything possible. Could be the bios chip corrupted.
As to a replacement, Ebay is your best bet, as there do not be any suppliers offering this older board now

Asus P4B533 gives single beep at boot after installing Corsair 1GB PC2100 double sided ram in slot 1 by itself. No problem when 2 Kingston 256 MB single sided in slots 1&2.

These motherboards, as with most manufacturers, seem to have preferences for specific makes/models of peripheral gear, especially for RAM chips. Consult your motherboard manual for compatible RAM, and proper placement in the RAM slots. Also, consult the motherboard vendor for info in this regard. They may have specific experience with this motherboard that can steer you toward the proper RAM to use. ie, it is in their interests to have satisfied customers for repeat business, by supplying peripheral items that function reliably with the motherboards they sell. Don't delay, since this technology, and the items that stores carry change at an ever-faster pace. Also, don't cheap out by using RAM of questionable fit for this motherboard.
Please feel free to get back to me about your situation.

Sound problem in window 7 ultimate mother board asus p4b533-vm

Reinstall the sound driver which usually comes with motherboard CD

An audio multi media driver for asus p4b533

1. Usually going to the manufacturer site is a good place to download any lost or corrupted drivers or installation software.
You may also call the manufacturers customer service line and talk to a customer service agent or tech will be happy to assist you in getting the driver or installation disk you need to restore your PC unit to factory default and beyond.
You will need to know the model number and operating system information to give them a mental look at what they are working with.
I hope this helps. Have good day!



Hello There.

Section 4.3 on Page 71 details halt on error settings. Select No Error.

That should resolve your issue.

There is an inbuilt speaker but the sound is not coming

Hi gogovie_2,
There is only one speaker controller (C-Media 8738-MX), built into the P4B533 motherboard which is where you would connect a home speaker system into the lime green port located at the rear of the motherboard. (See your manual, page 1-7 for the motherboard layout & location of the line out jack for your speaker plug). See pages 1-8, 1-9 & page 1-10 for descriptions of each item shown on page 1-7.
The ASUS P4B533 MB usually comes with a small black speaker that plugs onto the motherboard. You can see the location for this speaker on page 2-33. Number 18 shows the configurations for the 20-pin panel & internal speaker.
This tiny speaker is used for system P.O.S.T. Known as Power On Self Test. During the boot up process a single beep will sound off. This tells you that the motherboard bios has passed P.O.S.T.
If you need the manual for the ASUS P4B533 motherboard you can download it directly from Asus. Click on the link below. Once the link has loaded type the model number, P4B533 in the search window (Upper right hand corner) & click the white arrow.
Click on, " P4B533 related files for download ". The next window will want you to click the dropdown menu & choose your operating system. (Do so). Asus will display all drivers, manual & bios files for the P4B533 motherboard. If you download the manual you'll need Adobe reader to view the manual. You can download Adobe for free at this next link;
If you do not have sound from your home speaker system make sure you have installed SoundMax/C-Media software. This program uses jack auto detecting censer software to help setup your speaker (s). You can also download the latest audio drivers.
If you think you need a new (Internal speaker) you can buy one from here;
& from here;

Lastly, if the information provided here has not answered your question, please rephrase your question. I'm sure I can provide you with an answer & fix.



NTLDRV is missing

Hi gollie, you can go to the link I have posted. It will explain what you need to do.

Have more questions, feel free to ask.
Good Luck!


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