In the age of inexpensive 2 terabyte hard drives, a few gigs might not matter, but there are situations where you might need that extra space. For instance, if you purchase a solid-state drive to contain your operating system, applications and games, you'll grow to cherish every salvageable gigabyte. There are a few simple adjustments you can make within Windows to regain some drive space.
This feature is beneficial because turning on a system from hibernation is generally faster than starting from a cold boot, and it doesn't require a constant power source like sleep, which stores data in RAM.
That said, if your operating system is on a decent SSD, load times should be drastically cut and cold booting won't be as much of a chore. Desktops are usually connected to a power source anyway, and sleep is typically adequate.
Your hibernation file (hiberfil.sys) is probably about the size of your system's RAM (so at least a gigabyte or two) and can be easily purged:
Windows Vista and 7
Open the Start menu and type cmd. Right click on cmd.exe and choose Run as administrator. Enter the following command: powercfg.exe -h off
Open the Control Panel > Performance and Maintenance > Power Options > Hibernate > Uncheck 'Enable hibernation'.
Windows Vista and 7
Right click Computer > Properties > Advanced System Settings (on the left) > System Protection > Select your OS drive > Configure. Within this window you can turn off system restore for ultimate storage savings, or allocate a percentage of your drive to storing system restore data.
Right click my Computer > Properties > System Properties > System Restore. Within this window you can turn off system restore for ultimate storage savings, or allocate a percentage of your drive to storing system restore data.
It's also worth noting that you should never underestimate the power of programs like CCleaner if it's been a while since you last wiped your temp files.
Finally, if you are in the mood of downloading some software freebies -- ironic, isn't it? -- some time ago we featured a few disk usage analyzers, which can give you a better overall perspective of what's taking up the most space and where there is room for saving some.
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