before you can open a weap file, you'll need to figure out what kind of file the weap file extension refers to.

How would the previous sentence be correctly capitalized?
Answer: Before you can open a WEAP file, you'll need to figure out what kind of file the WEAP file extension refers to.
choose the amount of product you wish to buy

How would the previous sentence be correctly capitalized?
Answer: Choose the amount of product you wish to buy
using outdated or corrupt hp pavilion dv2140tx drivers can cause system errors, crashes, and cause your computer or hardware to fail. furthermore, installing the wrong hp drivers can make these problems even worse.

How would the previous sentence be correctly capitalized?
Answer: Using outdated or corrupt HP Pavilion dv2140tx drivers can cause system errors, crashes, and cause your computer or hardware to fail. Furthermore, installing the wrong HP drivers can make these problems even worse.
a corrupt registry file: the registry file contains detailed information such as programs, external cards, games and network routers etc. if the registry file gets corrupted due to virus attack or the user has deleted any registry entry in registry editor, then it may cause the blue screen death of windows which indicate that the software has got corrupted

How would the previous sentence be correctly capitalized?
Answer: A Corrupt Registry File: The registry file contains detailed information such as programs, external cards, games and network routers etc. If the registry file gets corrupted due to virus attack or the user has deleted any registry entry in registry editor, then it may cause the blue screen death of Windows which indicate that the software has got corrupted