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Ive started noticing this only over the last month, but it might have been happening before.

I have a few months old (~8) gaming laptop running Windows 8.1, and I do not use it often, few times a week perhaps. I have noticed that when I resume it from standby (or hibernate mostly) for the first few minutes the Disk utilization on the task manager saturates at 100%. In the "Resource manager" this appears to be called "Highest active time"

I assumed, initially this is because of skype, I use skype chat for work often, so when I boot this, possibly it needs to download and save all that, etc. Initially Skype was high in the Resource managers list so I closed that and now only open as needed. This has not fixed it however. I think now it might be due to my 2 gmail tabs that stay open. However the top of the list for most of the time is the very descriptive "System" so not sure what to do there.

I think this should not last this long, so I am worried if this is a problem I should be worried about. The issue fixes itself few minutes after boot, so Ive just let it be.. but I was wondering if there is a fix.

  • What's the laptop exact model? What are the technical specs? – and31415 Feb 15 '14 at 17:27
  • Follow this and give me the file: pastebin.com/6vmuzcBp – magicandre1981 Feb 15 '14 at 20:08
  • @magicandre1981 Will get it to you asap – Karthik T Feb 17 '14 at 6:42
  • @and31415 its a customized version of aftershockpc.com/AFTERSHOCK%20XG17 – Karthik T Feb 17 '14 at 6:43
  • @magicandre1981 Sorry its taking so long, I can only seem to reproduce this if i leave the PC off overnight (hibernate, could this be relevant) and if I do, it seems to generate 400+ mb files. Is this to be expected? The tool seems to just hang there until i right click -> close so not sure if its working like it is supposed to – Karthik T Feb 20 '14 at 16:14
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Update via windows store to windows 8.1 (for those reading this who haven't already).

And run windows update several times after each restart to obtain all the windows bug fixes. 3 times normally

Upon doing that you should be good. I'm sure you will have a 90% success rate with the above.

Also people have been reporting that live tiles (some times separate developers from Microsoft) are bugged. Thus disable live tiles for each tile app. You could update them in the windows store as well, might let you keep them enabled without problems.

Another common factor that affects disk usage like this is:

  1. anti virus programs (go into setting and change idle scan)
  2. windows search service (disable upon startup via 1.Run 2.type msconfig, 3.uncheck it in services tab)

Source: http://answers.microsoft.com/en-us/windows/forum/performance/100-disk-usage-ever-since-win-81-preview-update/88ce0370-8f47-4186-b902-0f6732cbbcbc

| improve this answer | |
  • That's a flailing around at random answer to a problem of constant disc I/O that never ceases. The questioner here speaks of constant disc I/O that stops after a few minutes. – JdeBP Feb 15 '14 at 9:25
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    Of which could be caused when live tiles or antivirus or windows search activate periodically. Never the less I believe this answer is appropriate for this particular situation. - due the the generic nature of this answer. No need to vote down man.. I will leave super user if people are too harsh. – Pathfinder Feb 15 '14 at 21:42
  • Have done this already.. hence "running Windows 8.1" – Karthik T Feb 16 '14 at 4:28
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    @KarthikT Give me the trace, otherwise you'll never see what causes it. – magicandre1981 Feb 16 '14 at 17:00
  • ^ Looking forward to seeing magicandre1981 results uploaded soon! This is a awesome tool. – Pathfinder Feb 20 '14 at 9:42

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