Disappeared HDD in Device Manager

By GonzoQED
Mar 14, 2010
  1. Hello,

    i'm new to the board and like to send greetings to community and i hope someone can help me with a strange problem.

    System: Windows 2000SP4
    external HDD: SAMSUNG 250GB (S-ATA connected through USB)

    It happens several weeks ago when i saved demos and stuff on my C: partition and copied/moved things to my external USB HDD.Suddenly first i got this \\.\PHYSICALDRIVE0 storage error and a STOP error followed by a BSOD.Because of my full HDD i didn't thought about anything strange at first (thought about a buffer problem) so i restarted the system and replugged the external USB drive again and started all over.

    The issue now is,that i can't install some new software because the reference path can not be found and in the first C: main HDD is not listed in the Device Manager anymore but is working normaly.In Disk Manager both HDD are listed.But this \\.\PHYSICALDRIVE0 is entered as a drive name and the Adaptername is -UNKNOWN- for Drive 1 (C: and D: partitions)

    What i already did:
    - checked with MBR and Rootkit detection software for Rootkits.Everything okay.
    - checked with GMER
    Device -> \Driver\atapi \Device\Harddisk0\DR0 88F8E841
    ---- Files - GMER 1.0.15 ----
    File C:\WINNT\system32\drivers\atapi.sys suspicious modification

    Checked atapi.sys with online scanners and nothing found.
    - cleaned the registry already
    - uninstalled/reinstalled ATAPI/IDE drivers

    Problem description:
    The primary HDD is not listed in Device Manager but its listed in Disk Manager.When i reinstalled the IDE/ATAPI drivers the system scanned for devices but did not find the primary HDD.

    Currently i'm stuck to track down this problem.Can someone help?

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