It is the red light for hard drive. Blinking means your PC is powered on, working normally.
TL;DR Tape over it. Disregarding whether that's a good idea or not*, the easiest way to 'disable' the LED is most likely to open up your laptop case and unplug the LED ribbon cable. Barring that as a possibility, the next most practical solution would be place tape (or an aesthetically pleasing sticker) over the LED.
To find out if that is the case, first open the task manager by right clicking the bar at the bottom of the screen. Select Start Task Manager. Under the Performance tab, select Resource Monitor. Under Processes with Disk Activity, you can view which processes are accessing the hard drive for reading and writing.
Open the Disk Utility and choose “First Aid,” then “Verify Disk.” A window will appear showing you various metrics related to your hard drive health, with things that are fine appearing in black, and things with problems appearing in red.
Blue light on your external Toshiba Hard drive means, that you are connected to your USB 3.0 port on your computer/laptop. USB 3.0 has faster data transfer rates than USB 2.0.
By getting a more powerful processor, you can help your computer think and work faster. This alone may be enough to optimize the power of the RAM you already have and help you maximize your investment in any new RAM you do add.
An old hard drive will only fetch a fraction of its purchase price if you try to sell it, but it still can have some value to you if you keep it around. According to a Google study on hard drive failure, the failure rate as much as triples on a drive that is more than three years old.
The expert reported that a really strong magnet (with a pull force of at least 450 pounds, so not anything like the type attached to a fridge magnet), could indeed harm a hard drive.
SSDs in general are more reliable than HDDs, which again is a function of having no moving parts. SSDs commonly use less power and result in longer battery life because data access is much faster and the device is idle more often. With their spinning disks, HDDs require more power when they start up than SSDs.
Usually, the storage drive is an internal drive; located inside the computer case.
As the name suggests, they are disks made from a hard material such as glass, ceramic, or aluminum, which is coated with a thin layer of metal that can be magnetized or demagnetized. A small hard drive typically has only one platter, but each side of it has a magnetic coating.
Seagate Hard Drive Prices By Size
| Drive Size | Model | Price |
|---|
| 1 TB | ST1000DM010 | $49.99 |
| 2 TB | ST2000DM006 | $66.99 |
| 3 TB | ST3000DM008 | $83.72 |
| 4 TB | ST4000DM005 | $99.99 |
Hard disk refers to the data storage elements themselves. Hard drive and hard disk drive refer to the data storage elements plus all the electronics that support, or drive, the reading and writing of data to/from storage. The difference between hard drive and hard disk drive is that the former is more concise.
It tells you when your hard drive is being accessed, or actually an internal storage at all. If you can't get a computer to display anything you can look at that light. If it is off that means nothing is even trying to access the storage in your computer, or the storage itself is fried.
: a data-storage device consisting of a drive and one or more hard disks.
Blinking light is a default behavior as long as drive is connected to a powered on machine. If it is annoying, specially in night, as it did to me, you can disable it using settings in 'Discovery for Mac' software which comes with your WD Passport.
The hollow triangle usually means digital ground, but is often used as a reference ground. A letter or number in the triangle may be used to indicate references that are in common with each other. Earth ground means that the earth itself is used as a reference point.
2) THE LARGER POWER LED CONNECTOR : This goes to the bottom right of your motherboard connectors, just as it is labelled. The blue wire is the + pin. Align this with the left most pin, on the bottom right set, on your motherboard.
