I am using my friend computer, I want to log off so that he won't check what is on my facebook account. How do I do this?

Carole, Yes, some one else could log into there account, if your account is logged out. Check the attached links,instruction and guides, Good luck
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How do use my facebook account on someone elses tablet Face
How can access my Facebook account using someone else comput
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If I am understanding the question correctly you would like to access Facebook.com from your friends computer?

You can access Facebook from any computer by:

Navigating to http://facebook.com
If someone else's profile show up, e.g., your friend's profile, meaning it says that your friend is logged in log your friend out, or before you do that post a funny status about your friend and then log him or her out of Facebook.
Once your friend's profile is logged out you can then successfully log into Facebook with your account using your username and password.
REMEMBER TO LOG YOUR PROFILE OFF when you are done using your friend's computer otherwise he or she may retaliate by posting a funny status post on your Facebook account.


Hope that helps

I’m happy to help further over the phone at https://www.6ya.com/expert/james_d4449ffdf318a2c3

Editing Your Settings How do I permanently delete my account? If you deactivate your account, your timeline disappears from the Facebook service immediately. People on Facebook won't be able to search for you, though some info, like messages you sent, may still be visible to others. We also save your timeline information (ex: friends, photos, interests, etc.) in case you want to come back.

If you don't think you'll use Facebook again, you can request to have your account permanently deleted. Please keep in mind that you won't be able to reactivate your account or retrieve any of the content or information you've added. Before you do this, you may want to download a copy of your info from Facebook. Then, if you'd like your account permanently deleted with no option for recovery, log in to your account and fill out this form.


If you can't log in to your account, you'll need to reset your password first. To do this, go to www.facebook.com and click the Forgot your password? link below the password field. Once you've followed the instructions to reset your password and can log into your account, you can deactivate or delete your account using the steps outlined above.

Your situation might have happened during logging in or while using Find Friends.

If it had happened during logging in, then you need to provide the e-mail ID and the Password you provided during Facebook signup.My guess is you would have entered password of your mail account in Facebook.

If it is during 'Find Friends', then you might have entered wrong password for your mail id.

Cheers!

https://www.facebook.com/notes/facebook-security/forget-to-log-out-help-is-on-the-way/425136200765

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You control your experience on Facebook. Control isn't just about deciding what you share and with whom you share it; it's also about being able to keep your Facebook login secure.

Soon you'll see a new way to take control of your account. You'll be able to log out of any Facebook session that you may have left active on another computer or device.

Have you ever borrowed a friend's phone to use Facebook and then forgotten to log out before you handed it back? Maybe you logged in from a public computer, but accidentally walked away with your Facebook session still active.

Now, you can see if you're still logged in on other devices and immediately log out on those devices from one central control in your account. This feature is rolling out gradually. Once it's live for you, you can try it under the "Account Security" section of your Account Settings page.
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did u switch cell phone numbers if u did u need to e mail Facebook support and let them know what happened and create a Facebook page from the computer then link it to ur cell

My problem is with your new security device you

My problem is with your new security device you put on Facebook. I chose to have a text sent to my phone when I logged on. I accidently erased my phone number and then later in the day deleted cookies so that my laptop wasn't recognized. I now get the message as follows... We don't recognize the device you're using.You currently have no phone listed on your account. Please log in from a recognized device to regain access to your account.Once you regain access, we recommend adding a new phone or disabling the login approvals feature.If you don't have any other recognized computers, you can contact our User Operations team. I tried to get on from my friends computer and a computer at school but it still doesn't recognize any of them. The problem is without my phone number to send the confirmation text to I won't be able to get on my account. Is there a way to take that off by having you do it? Then I can get on my account and add my phone number back.

please send me solution above issue

my email id is [email protected]

PLEASE

This happened to a friend of mine a couple of weeks ago. First, I would suggest restarting the computer. My friend simply waited (it was a day) and the error went away. It seems to be an error on Facebook's side, since trying to login onto that account anywhere has the problem (another computer, phones, etc.). Sorry I couldn't give a definitive answer, but if in a day it's not back to normal, you can always contact Facebook directly at 650-543-4800 (granted this phone stinks what from I've heard, but it's better than nothing).

You have to log out of her facebook page (on the facebook page select log out) and then log back in using your user name and password.

When you are done doing what you want to do on facebook you will need to log off before your friend can log back into her account. You might want to check with your friend and make sure that she remembers her log in info before you log her out.

Do the following:

1. Log out of your friends FaceBook account.
2. Log in to your FaceBook account.

When you are finished using FaceBook then:

1. Log out of your FaceBook account.
2. Get your friend to Log in to their FaceBook account.

Your log in will be your Email Address (or User Name you created) and your Password.

NOTE: if you have forgotten your passwords or email accounts, OR your friend has forgotten theirs.

THEN (your friend will need to check their profile information) before they log off. In the Profile, they will find what email address is listed as being the current one. (You can supply more than 1.)

I hope this information is useful to you. Please rate. Regards