Unable to find scanner driver

[Guest]

I have an Acer 640BU scanner that I am unable to find a driver update for. I
am using Vista Home Edition. Any suggestions??

 

[Dominic Payer]

If Acer/Benq has no driver you can use VueScan from
http://www.hamrick.com/vsm.html

 

[Guest]

VueScan works great with my acer 640u

and Vista.

Good luck