RIGHT before that happened, my computer died while it was plugged in (so it was improperly ejected AND dropped). The hard disk activity, which normally can be monitored via hard disk LED on computer’s casing, will show almost non-stop continuing operating, with LED blinks non-stop. Hi My Western Digital My Passport is not being detected. Question: Q: WD External Hard Drive blinking blue light. what does blinking light mean ? There was no fall or energy issues as far as I know. There is no noise from the drive through spinning. Frequent hard disk I/O read/write activity by Windows will undoubtedly reduce system performance. However, a) Lights appear on the drive. Any comments would be helpful.Thanks in advance… Now turn off the PC for at least 1 minute. and what does prolonged constant light with a blink mean. It was perfect until yesterday, but today it keeps flashing a white light in front of it very quickly (each 1 or 2 seconds). I am using a WD My Passport 2TB Drive and would like to understand the light pattern on the product. I have used this with my mbp for a few years - no problem. Every blinking is accompanied by an intern spinning sound. It is a My Passport Western Digital 3 TB Drive. The light on the drive only blinks after plug in the powercord. Learn more The automotive industry is undergoing significant transformation with electrification and the development of autonomous vehicles. I use it very rarely and to only hold my music and photos. Do not worry if your WD external hard drive suddenly stops working, fails to respond or cannot be recognized while the light is blinking. what does constant light mean ? Put the HDD in the fridge for 6 hours, which may influence the state of the hardware/capacitors. Symptoms: Known as “Blinking Light” problem. b) I can hear the hard drive spinning It's not showing up in Device Manager. Quite often, issues such as a Seagate external hard disk light blinking but not being detected can be fixed by simply rebooting the computer. WD external hard drive cannot be recognized with the light on in PC? 2. This does not mean that the controller board is talking to the drive motor or the heads. I dropped it about 2 feet onto a hardwood floor, but it was not plugged in. Before having this fast blinking light and drive unrecognizable in windows it had frozen up the computer while transferring a file, so I had to power down the system by holding the power button. Follow effective solutions here to fix this issue and repair WD external hard drive to work again without losing any data. Suggested methodes: 1. I have had a 1TB WD Elements external hard drive for a few years now. Then reconnect the external hard drive … To give it a “reset”. Why is Windows system always accessing and writing or reading from HDD drive? To do this, disconnect your external hard drive from the computer. Since then the drive just blinks fast, about 3 times per second, which according to WD's lousy documentation means "activity". Shortcircuit the drive for a second. Icons appeared on desk top but before I could open I powered down to do other work. I recently uploaded some photos onto the device and a number of songs, but after disconnecting it and trying to reconnect it again, it's not being recognised on my PC (Windows 8) and I just have a flashing light which appears once every second. I moved and couldn't locate factory power/ data cable, so used others that fit. The light is blinking because the controller board is talking to the motherboard disk access chips successfully. My Western Digital external hard drive just stopped working. Western Digital iNAND memory has become an important part of automated driver systems with local storage to fit the demanding data needs of the vehicle.