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