I found the driver that works on my Vostro 1000 - Win 7 64bits on Dell site. Enter search.dell.com, on the search field put what you are searching for, I've put "quickset 64 bit vostro 1000" and it returned me a list, the first was download (Dell QuickSet, v.8.2.14, A05), click, opened a page to download R163853.exe (for Vista64 - WORKS ON WIN7 64),
compatible with:
Inspiron 1420
Inspiron 1520
Inspiron 1521
Inspiron 1720
Inspiron 1721
Latitude D631
Latitude D430
Latitude XFR D630
Latitude ATG D620
Latitude ATG D630
Latitude D520
Latitude D620
Latitude D630
Latitude D820
Latitude D830
Dell Precision Mobile WorkStation M65
Dell Precision Mobile WorkStation M90
Latitude D630c
Vostro Notebook 1000
Vostro Notebook 1400
Vostro Notebook 1500
Vostro Notebook 1700
Dell Precision Mobile WorkStation M4300
XPS M1330
direct link:
support.us.dell.com/support/downloads/download.aspx?c=us&l=en&s=gen&releaseid=R163853&formatcnt=0&libid=0&typeid=-1&dateid=-1&formatid=-1&source=-1&fileid=220010
!!!!! that's it !!!!!