A contraction stress test (CST) is performed near the end of pregnancy to determine how well the fetus will cope with the contractions of childbirth. The aim is to induce contractions and monitor the fetus to check for heart rate abnormalities using a cardiotocograph.
If your USB drive is not being recognized by Windows, or is not formatting properly, there may be problems with either Windows or the USB drive itself. If the problem is on Windows' end, you can usually solve it by reinstalling the USB drivers.. Click. OK to start formatting the drive. This may take a while, but if the format is successful, the drive should appear in Windows. If the format process doesn't work, try the next section. 1  Formatting will delete all of the data on the USB drive.
Two Methods:WindowsMac OS XCommunity Q&A. A flash drive is a small and portable electronic device that saves data using flash memory and connects to other devices via USB (Universal Serial Bus). Formatting your flash drive will delete all of the existing data and provide with a clean drive to store your files on.