The link on the Dritek's site, the developer of the program is really not working now.
Try http://support.acer-euro.com/drivers/notebook/as_5720.html in 'Empowering Technologies and Utilities' select either Acer GridVista.05-22-07.v2.67.522.MUI or AcerGrid_v2.68.614_Vista
The download is for Aspire 5720, but I think it would be OK for all the models.
This is an extremely useful tool (software), hose of who many can not afford the cards etc.. to operate a 2nd screen may just find Acer GridVista IS the solution, it allows input on 1 of the screens whilst viewing the information on another WONDERFUL !!, thank you for sharing such a great tool. 4 Stars (minimum)
Reg S (Brisbane-Australia 2 August 2009.
Try http://support.acer-euro.com/drivers/notebook/as_5720.html in 'Empowering Technologies and Utilities' select either Acer GridVista.05-22-07.v2.67.522.MUI or AcerGrid_v2.68.614_Vista
The download is for Aspire 5720, but I think it would be OK for all the models.
Reg S (Brisbane-Australia 2 August 2009.