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#1
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Rhythmic blinking HDD light not caused by Autoplay?
I thought the only cause for a perpetual rhythmic blinking HDD
light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. Thanks. |
#2
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Rhythmic blinking HDD light not caused by Autoplay?
John Doe wrote:
I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. Thanks. What does Sysinternals Process Monitor say ? Do a trace with filtering undefined, so you can see everything. The OS can do a fairly large number of (repetitive) Registry reads per second. That shouldn't cause the LED to flash. But perhaps if you see specific I/O's going to some other storage device, you'll get some idea where it's coming from. Paul |
#3
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Rhythmic blinking HDD light not caused by Autoplay?
Paul nospam needed.com wrote:
John Doe wrote: I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. What does Sysinternals Process Monitor say ? Yeah, you're right, that's the tool. Do a trace with filtering undefined, so you can see everything. The OS can do a fairly large number of (repetitive) Registry reads per second. That shouldn't cause the LED to flash. But perhaps if you see specific I/O's going to some other storage device, you'll get some idea where it's coming from. Paul |
#4
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Rhythmic blinking HDD light not caused by Autoplay?
On 04/06/2014 17:56, John Doe wrote:
I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. Thanks. If you have an optical drive attached there will be flashing (indicating access by the storage controller to a device) and there is no known way of turning that off, other than disabling the optical drive in device manager, then re-enabling it when you want to use it. Try it. There have been lots of threads about this all over the web over many years. It's not fixable by tweaking any windows settings, services or registry values. -- Rob |
#5
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Rhythmic blinking HDD light not caused by Autoplay?
Wolf K wolfmac sympatico.ca wrote:
Rob wrote: John Doe wrote: I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. If you have an optical drive attached there will be flashing (indicating access by the storage controller to a device) and there is no known way of turning that off, other than disabling the optical drive in device manager, then re-enabling it when you want to use it. Try it. There have been lots of threads about this all over the web over many years. It's not fixable by tweaking any windows settings, services or registry values. The OS "polls" attached devices at regular intervals, is all. Nothing to worry about. In my case, after applying Process Monitor, the culprit appears to be Dragon NaturallySpeaking. But I'm moving back to Windows 8, so maybe it don't matter. |
#6
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Rhythmic blinking HDD light not caused by Autoplay?
On 10/06/2014 18:03, Wolf K wrote:
On 2014-06-10 11:35 AM, Rob wrote: On 04/06/2014 17:56, John Doe wrote: I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. Thanks. If you have an optical drive attached there will be flashing (indicating access by the storage controller to a device) and there is no known way of turning that off, other than disabling the optical drive in device manager, then re-enabling it when you want to use it. Try it. There have been lots of threads about this all over the web over many years. It's not fixable by tweaking any windows settings, services or registry values. The OS "polls" attached devices at regular intervals, is all. Nothing to worry about. Exactly. It's more of an annoyance than anything else, a bit like the way the power LED flashes constantly when in sleep mode on some motherboards. Not good in a bedroom, but easily cured by non-IT means. :-) -- Rob |
#7
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Rhythmic blinking HDD light not caused by Autoplay?
Rob noone nowhere.noway.con wrote:
On 10/06/2014 18:03, Wolf K wrote: On 2014-06-10 11:35 AM, Rob wrote: On 04/06/2014 17:56, John Doe wrote: I thought the only cause for a perpetual rhythmic blinking HDD light is Autoplay. But all of my Autoplay settings are "Take no action". I would suspect System Monitor, but it's not automatically started and it's not running. It isn't necessarily once per second, but that's the average. Sometimes it's just a flicker. Other times it's more obvious. If you have an optical drive attached there will be flashing (indicating access by the storage controller to a device) and there is no known way of turning that off, other than disabling the optical drive in device manager, then re-enabling it when you want to use it. Try it. There have been lots of threads about this all over the web over many years. It's not fixable by tweaking any windows settings, services or registry values. The OS "polls" attached devices at regular intervals, is all. Nothing to worry about. Exactly. FWIW... No, it's not, exactly. As I said, in this situation, it boiled down to NaturallySpeaking doing something with the hard drive. From Procmon.exe... https://farm4.staticflickr.com/3865/...92a467_o_d.png -- It's more of an annoyance than anything else, a bit like the way the power LED flashes constantly when in sleep mode on some motherboards. Not good in a bedroom, but easily cured by non-IT means. :-) -- Rob Path: eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!newsfeed.fsmpi.rwth-aachen.de!news-1.dfn.de!news.dfn.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Rob noone nowhere.noway.con Newsgroups: alt.comp.hardware.pc-homebuilt,alt.windows7.general Subject: Rhythmic blinking HDD light not caused by Autoplay? Date: Wed, 11 Jun 2014 16:40:53 +0100 Lines: 32 Message-ID: bvrbk7F27ocU1 mid.individual.net References: lmnj3s$get$1 dont-email.me bvomtsFflieU1 mid.individual.net ATGlv.592261$Qz3.464300 fx07.iad Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net 9aqcdycHldV2kG6qRw5FxAEm286gUeYsqwgUW/z51uTBy+znt+ Cancel-Lock: sha1:bbiyWdf4mHWRwujTO6NI6SkaQNE= User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: ATGlv.592261$Qz3.464300 fx07.iad Xref: news.eternal-september.org alt.comp.hardware.pc-homebuilt:30420 alt.windows7.general:101800 |
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