Build update????? Flashing Menu and Home lights. NOT 2.1, still 1.6

OK, not overly tech minded but not an idiot - just wanted to get that out there first! :emotion-1:

I have Dell Streak, direct from Dell, about 3 weeks old. On Friday I received a notification saying a update was available. The file was a BUILD update not the Android 2.1 as far as I am aware. I installed it without thinking anything more.

Now I have a flashing menu and home light which is driving me nuts. 

I have checked the phone details and it is still Android 1.6, Baseband ****00-EU , Build 6267.

I have looked on forums and found the info to get to the fastboot screen but cannot get my PC (WIN7) or my netbook (XP) to recognise the Streak in that mode. Both try to find Android 1.0 drivers.

I had hoped to use Fastboot to go to build 4399 (O2 spec) and then use the O2 Android 2.1 download.

I have spoken with Dell today and all they say is that they will take my phone for repair - 10 days with no phone. COME ON!!! I only bought the thing 3 weeks ago! This should be an exchange not a bloody repair.

If there is anyone out there who can stop these flashing lights PLEASE tell me before I through this phone out of a window.

Yours in total frustration!

Andy