Question about White Sewing White 4400 Computerized Sewing Machine

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S. It displays an error code of U00.

My White 4400 Embroidery machine is not being recognized by either of my computers. It displays an error code of U00. I have re-installed the software with no results.

I was in the process of defragging it. When I went to add a design that was when it gave me the error code. Help!

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  • Sheila Hobbs
    Sheila Hobbs Dec 30, 2015

    Would you please share how to defrag? I can't seem to find out how.



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I use window xp.
I cannot send design to machine .
I open white program but it show " an unnamed file contains an
invalid path"
My computer can connect machine. but not send design to machine

Posted on Aug 25, 2011

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When you defrag your machine you have to wait some time for it to finish. You will get a code on the machine of U00 untill it is finished. Also you will see your curser on the computer will be a box with moving blocks in it. This tells you that it is still working. You should defrag everytime you delete from your machine. You will not be able to put new designs in the machine untill it is done with its defrag.

Posted on Jan 12, 2009

  • panda36099 Jan 12, 2009

    Happy Embroidering.



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My top thread does not pick up the bobbin thread. I broke a needle in it the other day and replaced the needle and now having trouble with the bobbin thread. It is not turning? I am very new to embroidery....

Take off your throat plate and make sure that there is not a piece of your needle still in there, brush it out and oil your machine if it needs it. Now rethread.

Apr 21, 2011 | White Sewing White 4400 Computerized...

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Is the presser foot supose to be touching rhe

your machine is for embroidery only, embroidery machine do not have presser foot.

Mar 30, 2010 | White Sewing White 4400 Computerized...

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I used my embroidery machine and everything was fine. went to use it today and the computer isn't recognizing the machine, i turned the computer off, reinstalled the software, ect, any suggestions

You have to plug in your usb cable to the same port everytime. It will act like your machine is not there if you plug your cable into any other port.

Dec 14, 2008 | White Sewing White 4400 Computerized...

1 Answer


Click on your White Program Icon on your Computer. At file ask it to load a file, make sure it searches the directory where your embroidery files are located, just click on each image and once it's loaded send it to the machine by clicking on the USB Icon in your tools bar. This will load the image into Navigator, you will have to repeat the steps for each image.

Jan 07, 2008 | White Sewing White 4400 Computerized...

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