It is strongly recommended against trying this type of an upgrade, as there is always a chance of damaging your video card and the cost of repairs can be as high as replacing a motherboard. An article from ScreenCountry explains this really wel - see related link
Dell mini 10 has upgrade to the screen with higher resolution.
If you have a built in battery, then you can upgrade it.
I was trying to upgrade my laptop today
Memory is far and away the most efficient upgrade for any laptop.
Laptop graphics cards are generally considered to be impossible to upgrade.
can i upgrade my buffer on a toshiba laptop running win 8.1
No.
Upgrade your laptop to have an SSD instead of an HDD
It depends on the type of laptop you have. It is possible to upgrade the memory on most notebooks. It's also possible to add external memory.
yes
Yes, it is possible.
No, it is not possible to upgrade the memory, resolution, video or network features on any iPad.