If that does not correct the behavior, and if the drive is also not detected by your computer, the blinking light is probably a symptom of a larger problem. Safely remove the drive from the computer (if possible).ĭisconnect the external drive's USB or FireWire cable.ĭisconnect the power supply plug from the external drive.ĭisconnect the computer's power supply cord for 60 seconds.Ĭonnect the power supply to the external drive.Ĭonnect the drive's USB or FireWire cable and check for detection. Make sure the computer and external hard drive are powered on.
If your external drive's LED behavior has recently changed (and particularly if the drive is no longer detected or has changed the way it interacts with your computer), begin troubleshooting by following these steps: This article will provide numerous useful links for checking and troubleshooting this behavior. Troubleshooting and links for when the light or LED on your external drive is blinking.The behavior of the light (or LED) on your external drive can vary in meaning depending on the drive model.