Why does my audio CD or video DVD have skip, pop, or glitch during playback, or customers are saying it's a bad disc or won't play or work properly?

Normally, this happens if there is a skip/glitch/pop in your master or the defect was introduced when you copied it for us to import/setup, or during the time you prepared the files for upload to Trepstar.com  This can be  due to a scratched or dirty original, cheap blank media you used for your copy, or a CD/DVD drive that may be failing or having trouble reading parts of your disc.  You can confirm and compare whether the problem is with your original source dvd/cd or one we made. Do a "scan" of each sector of your original disc and do the same for ours.  If every sector is readable, then there is no manufacturing or product media defect. Use a free software utility such as NERO ScanDisc (google it) and test this. We manufacture an exact replica of your original source disc so likely, the problem is with the master.  If there were problems with the original, or during the copy step when you made a disc for us to import, or when you made the zip files, our system has no choice but to duplicate that.

It's up to you to make sure you send us a clean copy of your master for setup, or you use a clean copy and are very careful when you make the  .iso file for your dvd, or the .gi file for your audio cd.

Make sure any discs you send us are free of scratches, fingerprints, or any other smudges.

If you prepared the iso or gi files and uploaded them, or zipped up your mp3 or wav files, you need to upload it, then you should download them from the server, unzip them, and make a cd or dvd from those files.  Then carefully test  THAT fully because that's what we burn.   We burn exactly what you give us.

We provide a free website to upload your project.   Create your project, order a copy, and when you receive that copy, you must test it in as many devices as possible.  We do not finesse or modify or author content in any way (or additional charges apply).  We copy what you give us so make sure you understand what you're giving us for duplication and manufacture.

* Here is an article on  DVD Authoring
* Watch video about Audio CDs
* Watch video about preparing DVDs
* Reduce errors and save trouble by sending us a clean copy of your discs.

If you have customers that tell you their disc "wont play" or "has problem xxx", it may be a flaw in your original OR possibly, a manufacturing flaw, but that is quite rare.   

Normally, manufacturing defects are rare.  We burn each disc using computers and robots (fully automated) and after each burn, the computer does a "verify step" that reads every bit of the information again, and compares that to the original files.  The disc is rejected and nothing is printed on the disc surface if any single bit is wrong.  We throw those away.   In some rare cases, the verify may make a mistake which happens in less than one out of every 25,000 discs made (based on data from our internal numbers).  We do not offer refunds unless the customer clearly tells us exactly what's wrong, at which part of the disc and then they must send us the defective disc in the mail, so we can check it.  We have found customers either don't know what they are doing, the disc was scratched or smudged by them and they did not clean it properly, the disc was authored (by you) improperly.  We want the disc back so we can tell if it's truly an error, or just a scratch or smudge on the disc vs. a manufacturing error.  If we find the error is truly with the disc, we will send a free replacement.  Most of the time, the problem is that the customer does not know how to use the disc, or it's authored by you in a way that makes it hard for them to play on whatever system they are using.   You should ask them to try it on several different players and computers and/or download and try VLC media player to see if that can load the disc. 

To save you and your customer the hassle, you are free to simply order a new copy for your customer again.   If you have many customers telling you they have problems, it's because your master was defective or not tested and compatible with the most common devices.

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