Hello,
I have being experiencing this problem from the very first day I have received the t61p (and still experiencing it after a UK service).
it's very simple to reproduce (100% of the times in my case), simply perform a 'chkdsk c: /r /f' which will trigger a chkdsk operation during the following system boot.
during the following system boot the chkdsk operation chugs along very happily for about 70 minutes reaching stage 5 of 5 and around 80% completion when all of a sudden the HHD disk activity LED goes inactive and it seems the disk spins down. at this point the chkdsk operation hangs forever and I have to perform a manual power cycle to recover/restart the system.
this issue is reproduced no matter which Power Saving I select nor having the system docked (Advanced Mini-Dock) or undocked, on battery or on mains.
whenever I perform low level tests (via the BIOS option) or booting from CD, I can test the HDD for hours and it always successfully terminate the tests.
If I remove the HDD and place it in an external enclosure (USB 2.0 interface) and perform an equivalent chkdsk operation whilst mounted on another WinXP system, this too completes successfully (and it takes about 2 hours to complete).
I am utterly baffled by this behavior...
I have another 250GB 2.5" SATA disk in a HDD bay adapter and I can perform the same chkdsk /r /f operation (not at boot-time) without any problems.
I really don't believe it is an HDD problem (I have the ST916023AS model 160GB, 7200rpm).
Is anyone experiencing the same problem? Any remedies?
many thanks,
andrea
T61p - 15.4" - T7700 - FX 570M 256MB - 4GB RAM - ST916023AS - 4965AGN - BT - FPR - 9 cell - Vista Ult. x86
T21p - 14" - PIII 850MHz - S3 Savage/IX 8MB - 512MB RAM - 100GB 7200rpm - WinXP x86