Notification bar vanishes when scroll down face book ?

It could be that you still have one un-listened to message in your voicemail and that would explain why no new calls appear in your logs.
Here is a page that should help you deal with your predicament.
Please let us know if this helps. Scroll down to the 2nd section.

https://toolbox.iskysoft.com/iphone-recovery/iphone-voicemail-notification.html

Go to settings look for notifications and then tap Facebook swipe to the left were it says allow notifications.

Go into notifications and scroll down it will come up if not then delete and then down load again u still can login

Upper left corner touch the three bars.then scroll down to app settings. There you will find notification turn it on or off by a check mark.

To clear all notifications
1. Open the Notifications panel.
2. Touch the Clear icon .
All event-based notifications will be cleared; ongoing notifications will
remain in the list.
TIP You can also swipe the notifications to the left or right to remove them.
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To clear the call log - From the Home screen, touch the Phone Key (in the Quick Keys
bar) and then the Call logs tab at the top of the screen.
The most recent calls are located at the top of the list. Scroll down to
see older entries. Once you see the cal log press the Menu key. Bottom far right. This will give you the option to Clear all .

Go to Settings > Notification Center. Then find Facebook in the list of apps and disable all kinds of alerts. You can also go to the Facebook app, press the button with white bars on the top right, scroll down to settings > notifications > mobile push and uncheck everything.

According to the third article of the Safety section in Facebook's Statement of Rights and Responsibilities, willfully compromising a user's account on the social networking constitutes a violation of Facebook's user agreement.

Reporting such violations may be performed in a number of ways, depending on the situation. If either you or your friend's Facebook account has been hacked, file a report through Facebook's Help Center.

If you are aware of a specific user on Facebook who is engaged in hacking other accounts, file a report regarding his activity through his profile page.

Go to Facebook.com, type the email and password associated with your account in the corresponding text fields and press "Enter."


Click "Account" in the top menu bar and select "Help Center."

Click "Security" in the "Popular Topics" section.
Click "I Think My Account is Compromised" in the Account Security menu.
Click either of the two security questions, depending on your situation, and click "Secure it here."
Click "Secure Account" and click "Continue."
Complete each of the steps for securing your account, including changing your password, changing your email password, reviewing your changes and unlocking your account.

Click "Done" to complete the process.

The developers at Facebook receive a notification regarding your account being compromised. Report Your Friend's Compromised Profile

Sign into Facebook, click "Account" in the top menu bar and select "Help Center."
Click the "Security" icon in the "Popular Topics" section.
Click "I Think My Friend's Account is Compromised" in the Account Security menu.
Click any of the three questions depending on your circumstances and click "File a Report."
Click your friend's full name, his birthday, the email associated with his account and a description of the situation in the corresponding text fields.
Click "Submit" to send the report to the developers at Facebook.
Report a Profile on Facebook

Log into Facebook, click the "Search" text field and type the name of the profile you want to report for hacking.
Scroll down and click "Report/Block This Person" in the left side bar.
Click "Unfriend" or "Block" depending on the situation and click "This Person is Bullying or Harassing Me," click the drop-down menu and select "Other."

Facebook does not offer an option in this drop-down menu that applies specifically to hacking, but selecting this option is the best fit for that form of violation.
Click the user's name at the top of the page, type a report regarding the account hacking in the text field and press "Enter."

The report is sent to the Facebook developers.

maybe the software you installed for your laptop touchpad is playing up,uninstall and re install.ps make sure no arrow buttons are sticking!

Try using another browser download Firefox from HERE. Also check the address bar make sure it's http://www.facebook.com

Thanks & Regards, (-_-)