how often to restore image?

for a home pc or laptop (win7), how often should the image be restored? is this something you do time based or performance based?

the pc is used daily for browsing primary..
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25112Asked:
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rindiCommented:
If it is a backup image, you can restore it as often as you want.
arnoldCommented:
A backup image is in the event something stops working.  A restore of image need only be done to confirm it works and is not a regularly scheduled event.

There is a software that restricts changes to the system without approval. Freeze....
25112Author Commented:
ok... thanks.. there are 2 systems.. one had the backup image.. the other one did not.

for the one that does not have an image, should i wait for performance issue to do a total reinstall or should i go by 6/12/18  month etc counts?

my question is in relation to avoiding a total reinstall (provided valid image is available to roll back to).
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25112Author Commented:
>>There is a software that restricts changes to the system without approval. Freeze....

can you describe this more?
arnoldCommented:
Those time tables if used for the purpose of verifying that the backup imaging process works and you are familiar with their use/restore should the need arise I.e. The HD dies and you have to restore functionality.

Is the image backup external to the system or is it on the drive such that should the drive fail there will not be any backup images to use.
25112Author Commented:
>>Is the image backup external to the system
yes, external.

in essence, the restoring of an image is same as doing a clean reinstall (when performance is bad due to too many registry edit (installs)?
rindiCommented:
Restoring the image brings the system back to where it was when the image was made. Many backup software make images, so if you'd restore the image of the last backup you made, you'd have the system back at the state when that image was made. So it isn't necessarily the same as a clean install. It would only be similar to a clean install if you made the image right after the OS was installed.
REITCommented:
Hi,

We use something called DeepFreeze. This is a utility which works incredibly well. What it allows you to do is save the machine in a "Good State" if anything were to happen to the machine and you're sure the issue is software related, you can ask DeepFreeze to revert you back to the "Good State". The Good state will never be overwritten unless you specifically tell DeepFreeze to capture a new one.
David Johnson, CD, MVPOwnerCommented:
An image is a point in time backup of your system if you restore the image you will lose everything on that partition that has changed since this point in time.

You should always have 3 backups, 2 different media, and 1 off-site. .  This is the industry standard acceptable practice.. If you have N backups another rule of thumb is that you have N - 1 backups.  Unless you test the restore then you don't have a backup.
arnoldCommented:
No, if you had too many installs/updates and the system slows down, restoring to the prior image might be a temporary solution as you would either want to reinstall those applications or the OS updates that were installed will once again be installed.  In the mean time you might be exposing your system to vulnerabilities that existed and some application pathces patched.

If you have loaded your car with items that you need for one reason or another on your trip.  Before you start your trip, you notice that the car handling/feel is sluggish.  The reinstall of the image would be similar to unloading all the items from the vehicle. and then test driving it again. Lets say the items loaded were a bit heavy. Once you confirm that the vehicle handling/feel is as it was, you once again prepare for your trip meaning you load the items back into the car.
Gary CaseRetiredCommented:
An image is a backup of the current state of the PC.

There's NO need to periodically restore an image "just because" some specific amount of time has passed.    The idea of an image is to provide the ability to restore the system to exactly the way it was when the image was taken.

More important than how often you might want to restore it is how up-to-date your images are.   You should create a new image anytime you make significant changes to the system (i.e. add new programs or significantly change the configuration) so that if you ever DO need to restore your image it's reasonably up-to-date.    Obviously you want to be sure the system is "clean" when you image it -- no viruses, malware, etc.    As long as you have a good image you'll never need to do a reinstall of everything.    [It's a good idea to keep a coupe generations of images, just in case you inadvertently imaged a system that wasn't "clean"]

r.e. Deep Freeze ==> that is indeed a very nice product that allows you to set up a system that, when in it's normal "Frozen" state, no user can make any persistent changes.    This utility is often used for kiosks, libraries, or other public-use systems.   I can be configured so that at every reboot it reverts to its "frozen" state (i.e. all changes made since then are gone); and can be configured to automatically do this at specified times (i.e. reset to the frozen state at 3:30 every morning).    Maintenance consists of "thawing" the system; doing any updates you need; and then "re-freezing" it.      There are a variety of configuration options -- you can have areas where a user can store data that will be persistent (a "thaw space");   virus updates can be automatically applied without the need to "thaw" and "refreeze"; etc.    I've used this for a few folks with Alzheimer's who were constantly getting a LOT of malware on their systems because of their browsing habits ... I simply set up their system with Deep Freeze so anytime it's rebooted it's back to a nice "clean" system.    Their spouse can simply do a reboot to fix any issues :-)
nobusCommented:
i make an image of my newly installed PC's after installing all drivers and updates+programs
i use the image to restore my pc's after a year or 2, when i consider there's been a lot of programs, and trash added,
This way i always have nice, clean, and fast system
only drawback is you have to do all updates since  -but if you don't want that, just make a new image after the updates - so there will be less updates each time

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25112Author Commented:
rindi-thx for the clear distinction.

arnold, good example. thx.

Ejaz/gary - thanks for the review of deepfreeze- to keep in mind. Alzheimer's help is neat!

david- glad to have the formula.

nobus- thanks for explanation how you use the images.

overall, quiet helpful!
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