Why is my macpro reseted time and date?

Ok,eventually my macpro reseted his date and time to something about 2001... The point is,that i bought this laptop from a friend few months ago, and i even forgot to ask for a login password,and after that and didnt even consider reseting users. The problem with the time and date change,came another problem,i cant even use safari regulary,on sites such is facebook,or even apple .com,without getting a verification security verisign,without blocking the site that i am trying to get in to. Only way is to "trust" that site is manually sign it as "trusted" with your login and a password from your mac. Which i dont know,even my friend dont know the password,the one that i bought it from. Just to make some things straight,its not stolen,i bought it from an original owner,no matter how awkward this situation looks like. Thanks in advance for a any ideas.

Hi all
I have the same problem. When I put the touch to sleep, it seams that during the sleep phase, the time stands still and after power it on again, the time & date is reseted to the default settings.
Hope someone have an idea or a solution for this problem.
Cheers, istvan72

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Is this normal? Why is this happening?
I have a few months left of my APP, but that doesn't cover battery related problems, right?

Hi astaver and welcome to Apple Discussions.
If you are still using the original battery from a nearly 3 yrs old iBook then it is almost certain that the battery has reached the end of its useful life. The symptoms you describe more or less confirm this.
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how do I reset time and date on my itouch?

Go to Settings>General>International and make sure that Calendar is set to Gregorian.
Bext
Try:
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Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
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- Restore from backup. See:
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I own an old PowerBook G3 that turns o only on battery. And, even so, always resets time and date. Whenever I connect the power cable, it turns off.

I own an old PowerBook G3 that turns o only on battery. And, even so, always resets time and date. Whenever I connect the power cable, it turns off. In addition, I a interested in refurbishing my old G3. And, a lesser old G4 LCD that shows a yellow vertical hair-width stripe.
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What model PowerBook? The internal PRAM battery has discharged and is not recharging. You'll need to replace the battery. This site has instructions. http://www.ifixit.com/Browse/PowerBook
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My mac pro cannot hold date and time.
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the governing factor seems to be wetherr or npt is a revoot or completely cold boot (mains power switched completely off)
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if i restart, no probs
shut down and pull the plug ?? 1dt, Jan 2001
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Quote from: badboy2k on 17-June-14, 15:46:27
if you do not have it installed already download MSI Control Centre from here http://www.msi.com/support/mb/760GMP34_FX.html#down-utility&Vista%2064 and install it! start the program and click overclocking-Basic and see what it says the DRAM voltage is set to there!
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Macbook procannot reset time and date

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Back up all data.
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Copy the selected text to the Clipboard by pressing the key combination command-C.
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SOMEBODY HAS TO HAVE AN ANSWER!
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Hi,
thanks for your answer.
I would eliminate the second option, cause it does not seem to go into shutdown, and moreover I have other PCs which do not suffer from power supply issues.
I asked a pc-shop and was told that maybe the small battery inside the motherboard is over and need to be changed. Is it possible? The mac-mini is just come out from the factory!
If your first option is true, I am afraid I need to send it to assistance at Apple!
Thanks a lot
Bye

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Sherwin,
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Why is my macpro reseted time and date?

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