The time taken for OS installation differs from machine to machine. It usually takes between 4 to 6 hours but due to certain circumstances, it can take less or even more time.
The cost for screen replacement varies from laptop to laptop and model to model. There are many types of a display panel which needs to be matched before determining the cost. The cost for screen replacement differs from laptop to laptop.
Check the model No. of the part and search it on the website of the manufacturer and download the drivers and install it.
Windows 7 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor* 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit) 16 GB available hard disk space (32-bit) or 20 GB (64-bit) DirectX 9 graphics device with WDDM 1.0 or higher driver Windows 8 1GHz (gigahertz) processor or faster. Your processor will either be 32