Hi Chikara,
We are going to try to get your HD into a condition that your HP recovery discs will work on.
You need to be sure you are selecting the correct drive and partition.
I assume you only have one hd and what was your Vista partition is partition 1. If not, use the number that relates to your Vista partition ( make sure, because it was listed as volume 2 on the previous page ).
Unplug any other drives you have attached before you start.
To make certain , I have given the complete list of commands.
Boot the Vista recovery cd you made to get to the command prompt and try this : ( press Enter after each command )
X:\sources>DISKPART
Microsoft DiskPart version 6.0.6001
Copyright (C) 1999-2007 Microsoft Corporation.
On computer: PC-PC
DISKPART> LIST DISK
Disk ### Status Size Free Dyn Gpt
-------- ---------- ------- ------- --- ---
Disk 0 Online 149 GB 0 B
DISKPART> SELECT DISK 0
Disk 0 is now the selected disk.
DISKPART> LIST PARTITION
Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 1 Primary 30 GB 1024 KB
Partition 2 Primary 25 GB 30 GB
Partition 3 Primary 23 GB 55 GB
Partition 0 Extended 71 GB 78 GB
Partition 4 Logical 40 GB 78 GB
Partition 5 Logical 31 GB 119 GB
DISKPART> SELECT PARTITION 1
Partition 1 is now the selected partition.
DISKPART> DELETE PARTITION
DiskPart successfully deleted the selected partition.
DISKPART> SELECT DISK 0
Disk 0 is now the selected disk.
DISKPART> CREATE PARTITION PRIMARY
DiskPart succeeded in creating the specified partition.
DISKPART> SELECT PARTITION 1
Partition 1 is now the selected partition.
DISKPART>ACTIVE
Diskpart marked the current partition as active.
DISKPART> ASSIGN LETTER=C
DiskPart successfully assigned the drive letter or mount point.
DISKPART> FORMAT FS=NTFS QUICK
100 percent completed
DiskPart successfully formatted the volume.
DISKPART> EXIT
Leaving DiskPart...
X:\sources>bootrec.exe /fixmbr
Then close command prompt, remove Vista recovery cd and then try using your HP recovery discs.
Hope it helps
SIW2