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Windows 7: HDD access time is sometimes long

10 Feb 2010   #1

Windows 7 Home Premium x64 SP1
HDD access time is sometimes long

Hi guys... I haven't tell any of my "problems" with Windows 7 yet...

I don't know, but whenever I want to access my E:\ drive (my internal 500GB), it does take a few miliseconds, it takes several seconds. It does not happen all the time though. I checked my internal drives' SMARTs and they are all fine fitness and performance wise.

I don't know if it's because the drive is starting to worn out or because the filesystem is fragmented...

I don't know... it's really bugging me because the responsiveness of some software I run like foobar2000 (loading time of first song) or Adobe Audition 1.5 (preview files freeze the software for a few seconds) takes a hit.

Can anyone help me shed some light on this?

My System SpecsSystem Spec
10 Feb 2010   #2

64-bit Windows 10 Pro

Hello Sébastien,

You might check you Power Options settings to see if you have the "Hard disk" set to turn off after a certain number of minutes. If you do, then set it to "Never" instead. If turned off, the HDD will take a second to spin back up whenever you try to access it.

HDD access time is sometimes long-power_options.jpg

Hope this helps,

My System SpecsSystem Spec
10 Feb 2010   #3

Windows 7 Home Premium x64 SP1

Heh... thx Shawn. I didn't know that Win7 loved to turn off my HDDs... so, that's probably why he likes to turn off my 320GB one making it disappear from Computer.
My System SpecsSystem Spec

10 Feb 2010   #4

64-bit Windows 10 Pro

You're welcome. There's also an option to hide or show empty HDD's as well in Folder Options.
My System SpecsSystem Spec
10 Feb 2010   #5

Linux CENTOS 7 / various Windows OS'es and servers

Hi there
This problem also sometimes appears if you have a mix of IDE / SATA drives - the IDE disk is usually the one with the "Lag".

I found a solution was to change the BIOS to have all disks treated as SATA if you have that option in the BIOS or to turn on / off ACPI . - Some Bioses have "IDE emulation" etc etc.

If you change these options however you'll need to do a "Repair" re-install otherwise you'll get a BSOD at boot. So BACKUP your system first so if none of these settings work even after a "repair re-install" you can just set the Bios back to the original settings and restore your system.

Note when messing around with obscure BIOS settings -- NOTE DOWN THE ORIGINAL and only change one thing at a time - otherwise you can really hose up your system.

My System SpecsSystem Spec
10 Feb 2010   #6

Windows 7 Home Premium x64 SP1

@jimbo : I only have two internal SATA, so I don't think that's the problem here.
My System SpecsSystem Spec

 HDD access time is sometimes long

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