Windows 7: w7 64bit slow with kingston hyperx 1066 ?

hi everyone!
are there reports about the performance of Windows 7 64 bit with 4x2gb kingston 1066 hyperx rams? (DIMM DDR2 4096MB PC-1066 CL5)
with the rams installed the install sequence is extremely slow. by this i mean, that after the "loading files" process it takes another 5 minutes until the language selection screen shows up. then another 5 to 10 for the actual install option. i have not gone further yet because i inititally tried to repair my old Windows 7 64bit system and there i saw that the repair function took at least 1 hour to show up ...
any ideas/experiences?
going back to my old kingston rams (4x1gig) made everything load like a breeze.

mainboards
gigabyte p35 dq6
cpu
q6600

Which version of Windows 7 are you using?
I had a similar problem but not in that scale of delay.

A faulty ram might cause that, but did you do any other tests?

Did you try to install windows xp on it again?

There are reports and other indications that you should bump your NB voltage upwards, modestly, to address the power requirements of 4x2.

Another trick, more widely accepted, is to remove two sticks, install the OS, then re-insert the remaining sticks

thank you - that was exactly the problem!!!!
once i adjusted the ram settings to what they're supposed to be everything went fine
thanx everyone for posting.
markus

Ram settings once again, who knew.

Hello, community. I have a problem with my Hyper X module 4GB/2 in a DP965LT [COLOR=blue !important][COLOR=blue !important]Intel[/COLOR][/COLOR] Motherboard with windows 7 64bits installed. The problem I'm having is that anytime I have the hyper x placed in the motherboard, it gets really slow and the system takes a long time to start-up. I though it was the memory the first time, so I got new ones and installed again, and again the same problem. However, this problem did not occurred when I had install a normal DDR2 memory of two gigs. When I have [COLOR=blue !important][COLOR=blue !important]win [COLOR=blue !important]XP[/COLOR][/COLOR][/COLOR] installed with the hyper X, I did not have any trouble. Have you heard about this issue? any comments or help you can bring me?

I will appreciatte it