No.
No.
Clear the Cache!
no
Cache can be used in the following ways. If your computer is running slow, you can always just delete the cache file.
# To delete a corrupted IE cache and build a new cache
You can clear the cache by pressing 'Shift + Ctrl + Delete' while in Chrome. This will bring up a small window asking you what you want to delete. If you mean the temporary cache from looking at websites, pressing Shift while clicking refresh will do this.
The Entire Data of your Operating System, I Wouldn't Delete this if I was you.
"Damaging" the RuneScape cache on your computer does nothing. I frequently delete it to refresh the data which in turns boosts performance.
You can not delete partitions from BIOS. Boot from the operating system CD by pressing F12 as soon as it is powerd on and boot from cd/DVD. If you are talking about Flashing the BIOS then you can go to the dell website and download the BIOS for the computer and FLASH it from the operating system
The Entire Data of your Operating System, I Wouldn't Delete this if I was you.
No it delete the updates