I would take it back to the store and see what they can to as to fixing it.
First check that is a software problem or a hardware problem then do the next step.software problem means reinstall the VGA drivers, hardware means change the part.
How to get your computer screen back to factory settings ( back to the new one) should be part of the help pages of the computer
buy a new screen.........................
you buy a new computer.
7 by 7
buy a new one it trash
just link the data line of the new computer
look on eBay for the screen for your laptop computer.
The computer mouse has been replaced in recent years by the touch screen feature found in most new computer systems. This allows you to directly touch the screen to select items.
Its the blue screen of death you need a new hard drive :(
No it will make it easier to see stuff on the screen the screen is an output device and does not effect performance in any way if you wont to improve performance upgrade the parts inside your computer or get a new one
pop-ups windows
The thing on the computer screen that shows you where your text will go is called a cursor or text cursor (often represented as a blinking vertical line). It indicates the current position where new text will be entered or where actions like deleting or formatting can occur. In graphical user interfaces, it can also be referred to as the caret.