I have read a lot about this problem on these forums and tried most of the things mentioned but still not working. I know my system specs pass the 64 bit windows 7 guidlines but here they are anyway; Custom built, intel i7 chip, Asus P8Z77-V LX motherboard, 16 gb 1600 mhz ram, GeForce 550 ti vid card, sound blaster audigy sound card (old), 1 tb WD 7200 rpm, 6 gb/s hard drive, 600 watt thermaltake power supply, antec 902 case.
Now let me say first that I just got this new computer about 2 weeks ago and had no problems installing Ultimate 64 bit originally (without sound card). It ran alright but the onboard sound is crap so I installed my old SB Audigy and the sound was much better but soon developed problems even though all drivers
were up to date. So many problems (explorer constantly crashing and blue screens etc) I decided to do a fresh install.
So I used "Partition wizard" to wipe my drive clean filling it with 0's so I then had 1 TB of unallocated space (932gb). Tried the install and got to the format page, hit next but windows could not format the unallocted space and got the error "0x80070057 could not format the partition". So I went back into Partition Wizard and formatted it myself to NTFS, Active and tried again. This time it got to the "expanding windows stage at 1% but then got the error "0x80070570". I went back into Partition wizard to look at the drive and windows did make the 100 mb system partition but nothing else.
Long story longer I eventually tried installing it each time after doing the following , 1. removing the sound card
2. removing all USB connections
3. did MEMTEST all OK, ran for 10 hours.
4. Used partition Wizard to rebuild the MBR
5. could find nothing in BIOS that would prevent it from installing to the drive.
I am going to lose it pretty soon. The only thing i can think of doing next is to use DISKPART to re wipe the drive and partition it to 200 GB for windows only and try installing it again with maybe only 4 GB of memory installed ???
Any help would be greatly appreciated, this is my first post as I am a new member, thanks.