Hard disk errors

Question

Ever since I got my Inspiron 1520 about 2 months ago, I've been facing sluggish performance on batteries, with stuttering, excessive hard disk thrashing. Upon Checking the event log, I found these entries, which are present quite a lot of times.
Product: Windows Operating System
ID: 51
Source: Disk
Version: 5.2
Symbolic Name: IO_WARNING_PAGING_FAILURE
Message: An error was detected on device %1 during a paging operation.

Explanation
An input/output (I/O) request to a memory-mapped file failed and the operation was retried.

User Action
If these events are logged regularly on a primary system drive, replace the device. Otherwise, no user action is required.

Error #2:
The device, \Device\Ide\iaStor0, did not respond within the timeout period.This performance hit is limited only while running on Batteries, and oddly only under Windows XP. Under Linux(openSUSE 10.3, which I extensively use) I face no such problems. I've tried extended diagnostics, it doesn't report any errors either.
Even under Windows XP, while running off the Power Supply, I face no such problems.
So what am I missing out? What's culprit?
Any solutions/suggestions are highly appreciated.
Thanks & Regards,
Sathya

ejn63 · Answer

Now would be a good time to run the extended diagnostics on the drive (F12 at powerup).

coolpcguy · Answer

@ejn63: Thanks for the reply. Appreciate it. But as I'd mentioned it in the post, I've already run Extended diagnostics on my entire system and it doesn't report any errors. Message Edited by coolpcguy on 02-18-2008 09:58 AM

ejn63 · Answer

What was the exact code reported back at the end of the extended drive test?

coolpcguy · Answer

Er, No code was reported. All I got was a bunch of Test Result: Pass Messages.(and these messages came for Read test, Seek Test, Vverfify Test, SMART test, SMART Short time test, and Confidence test).

Storage, Drives & Media

Hard disk errors

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