You don't need an adapter.
Your Inspiron mini12 has a VGA port on the left side. Just connect it to a monitor using a standard VGA monitor cable (as far as I know, all Dell 17-inch monitors have VGA inputs).
Hope this helps.

Possibly related posts: (automatically generated)

 

logo Do I Need An Adapter To Hook A Dell External 17 Inch Monitor To A Dell Inspiron Mini 12?
DELL 17 LCD Monitor E176FPf
DELL 17 LCD Monitor E176FPf
Paypal   US $14.99
Dell E173FP 17 LCD Monitor Black
Dell E173FP 17 LCD Monitor Black
Paypal   US $26.00
NEC MultiSync LCD 175VX Flat Panel Monitor 17
NEC MultiSync LCD 175VX Flat Panel Monitor 17
Paypal   US $9.99