Dell vostro series 1540 is not worth of 35 K because of do many reason.
It providing only 500 GB hdd while other laptops on same price offering 1 TB at that price.
The RAM is only 2GB while company provide at least 3GB at that price.
There is no dedicated graphics card provided with the product at least 1 GB dedicated graphics must have been with the product.
The monitors of dell company comes integrated with laptop is always bad I personaly notice that thing on various dell laptop.
Dell vostro laptop drivers arent easy find.