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Old December 1st 10, 06:13 PM posted to comp.sys.ibm.pc.hardware.storage,alt.windows7.general,microsoft.public.windowsxp.hardware
Jack[_13_]
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Posts: 76
Default 100% disk activity, but very little disk transfer


"Yousuf Khan" wrote in message
...
I've often noticed that sometimes my boot hard disk goes crazy, disk
activity light flickers constantly, system becomes unresponsive, but
there's no particular process hogging the processor cores. I managed to
watch one such incident while Hard Disk Sentinel was present in memory,
and when I looked at the boot disk in the Performance tab, it showed 100%
activity, but data transfer was down near zero. Obviously, I had to reboot
the computer to get it back to normal.

I'm talking about Windows 7 Ultimate 64-bit in this case, but I've seen
similar things happen under Windows XP Pro 32-bit in the past too. Another
thing I noticed is that during this time, the System's own SVCHOST.EXE
program is using up a lot of memory too, over 300MB by itself!

What could be happening here?


Disconnect from the internet for a moment and see if the activity goes back
to normal.

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