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windows 7 - Why does my hard drive LED light blink every second?


The light blinks faintly about once a second.


It is slowly driving me insane.


How do I find out which program is causing this, so I can disable it?


Acer 5274 laptop/core i3
Windows 7 Home Premium
Hitachi HTS545050B9A300 hard drive



Answer



It may be the operating system polling the optical drive to see if you have inserted anything - the hard disk and optical disk share common circuitry and so the LED may apply to both. You could try turning off autoinsert notification (Device Manager - look at the properties of the optical drive) and autorun.


A bit more info here: .../cdtTipAutoRun.htm (broken, replacement: http://web.archive.org/web/20100527203945/http://www.base40.com/cdtTipAutoRun.htm)


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