Hi. Back without any success. Here's the latest.
Before I start I'd like to mention here something I overlooked earier. Whenever I have tried to instal and get X64 working I am getting a Message in the POST screen to update DMI.Here is the full message:-
Verifying DMI data Pool
"UPDATE DMI.......................... AMD DATA CHANGE......................................... UPDATE NEW DATA TO DMI'
This happens only when try instal X64, not X86 just prior to pushing a key to boot from CD/DVD. Then during the instal when a restart happens this message will read as DMI Pool OK, then jump back to the "UPDATE AMD CHANGE" etc later on.
The final time that it does this is when a restart happens just when the installation gets to the " Completing Installation" The status bar is about 35-40% short of being fully green and when the computer opens into the " Starting windows" screen, thats as far as it goes. In W7 X86 it restarts and completes the installation til the status bar is fully green and it shows as 100% in numerals.
Also, on the Boot screen whenever X64 was installed to the 'E'drive ( Disk0 Partition3 in this case) there was a entry onscreen giving a CPUID******* and something else I can't remember as I never noted it down.The only way that I will see it again is to load X64 to Partition3 and restart the computer. Chosing to open the X86 version of W7 when the time comes.
Nibiru2012,I followed your instructions to the letter and I'm sorry to say that this computer has got a problem somewhere else.
Is it the BIOS, is the MBR being unwritten to HDD, are the Sata HDD and the IDE ATA PioneerDVD RW on the same controller ( why does it look for CD/DVD Device drivers to instal whenever I tried to use the OS Disc to attempt a Repair, should I be using AHCI or IDE BIOS ( can't remember where it is exactly,sorry).
The com is setup to use SATA HDD in IDE Mode, (have tried AHCI Mode bu that made no difference to instal success/failure), HPET is Enabled and set to 64 Bit. The OS disc is good, I've tried running it from an .ISO i created of it to bypass the use of a slow optical drive that doesn't autoplay any damn disc even if its setup to do so in W7 Autoplay settings.
There is something amiss with the hardware setup, as you said Nibiru2012, but what where?? --Once those two unknowns are uncovered the Why is knowledge usable.
You have been a great help and I repeat, everthing that you advised me to do should have had this 64 Bit show on the road. Alas, it hasn't.....but then, the show's only just begun and it ain't over 'til the Fat Lady sings.

In the interim since 10am today when I started the Wipeout drive and start from New which didn't come to the party end of day, I have Wiped clean again and reinstalled W7 X86. Am running on the bare minimum of OS, AV and Firewall and a browser. May start to reload back some Programs/Apps etc over the weekend. The Backup I made hasn't restored my Firefox Bookmarks ( Grrrrrrr) I have been googling and reading threads in this and other W7 forums on topics Update DMI, BIOS..and more. Heres a few threads/sites i vivited.
BOOT SECTOR WRONG DRIVE?
http://www.sevenforums.com/installat...ong-drive.html
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http://www.sevenforums.com/tutorials...rd.html?filter
http://www.sevenforums.com/installat...ata-stuck.html
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UPDATE DMI
http://www.google.co.nz/search?clien...=Google+Search
http://www.tomshardware.com/forum/25...-boot-problems
http://www.tomshardware.com/forum/pa...347_30_50.html
That reminds me and I think it is important...............after the incomplete installation of X64, there is no sign of the 100MB System Reserved Partition at Disk0 Partition1. I had to connect to the computer a 4GB IDE ATA HDD with WXP Pro SP2 and that allowed me to use Disk Management to see what was on the Sata drive, there was no 100MB Partition in sight. I believe it is meant to stay there but I could be wrong.
A quick summary of what I did to try installing X64.
Remove all HDD's bar the SATA 160GB
Inserted OS DVD into optic drive , Booted into W7.
Chose Language etc, Chose X64 OS, chose Custom/Advanced
Deleted both C and E partitions made one 149GB unallocated space
Clicked 'New' and made a partition size 66629MB and another one of the remaing space.
Ended up with
Disk0 Partition1:...System Reserved......100MB (Total):.....86MB (Free space).....Type: System
Disk0 Partition2:...65 GB (Total)........65GB (Free space)....Primary
Disk0 Partition3:...84GB (Total)..........84GB (Free space)....Primary
Formatted both Disk0 partitions 2 & 3
Set to instal X64 to Disk0 Partition2.
Off it goes and its only fault that I can see is that which I have mentioned....instal does not continue to completion as soon as instal gets to that stage of Completing Installation.
Thats it, I'm of the same opinion as you Nibiru2012 in that the problem is Hardwre related. It could possibly be Sata/IDE connector cables faulty, BIOS, settins in BIOS. W while back I did a check in 'System Information > Summary and there was not a thing out of place, not a conflict anywhere. Beats me... I can't think of anything else now.
One more thing and a totally absurb note to finish on...last night after the failed attempt to instal X64 to the 1TB Sata HDD and reluctant to wipe my 160GB drive, i visited my neighbour and borrowed a IDE ATA HDD from him. I didn't check its GB capaity and set about the procedure to load to that....well this created all the 3 partitions but it was then I realised tha the HDD was 10GB ( (GB usable!!) AHH what the hell i decided, I was tired and couldn't be bothered throwing my X86 to the wind right then, so I set X64 to load to this drive. And lo and behold it did. It followed the same pattern as the one I give above to both the 1TB and 160GB drives, it didn't complete instal.
How the heck could it?? 14GB close enough on a 8GB drive..not tonight Josephine!!
Any way, it said Starting Windows and didn't but the point is that it had gone through all the steps and not once did I get a notification that The blimmin HDD wasn't BIG enough. Viewed in the WXP Pro Disk Management there was not a 100MB Partition, and the drive had 7.3GB data on it with 1.7GB free space.
Unbelievable.
Thanks again to all that have added thoughts and input
gazza
ps: it could be the Pioneer Optical drive not transferring data to RAM/HDD whenever a Restart occurs...............it takes up to 8 minutes to spin up again....................just a thought. I have a LG DVD RW at a mates place, I'll get it and hook it up. See if it makes any difference.