Answer: A: finder>preferences>sidebar tab> uncheck everything under shared.
An apparent bug in Mac OS X's file sharing sometimes causes odd PC names to show under the "Shared" section of the Finder's sidebar. The first is that the user has a PC on the network with file sharing enabled, and the user has Windows sharing enabled on their computer.
'Shared' are simply other devices that are announcing the services that they are running on the local network. Apple use the Bluescreen PC icon but it may not be an actual PC. To truly stop them appearing you need to disable the services on the other machine which is on the same network.
To forget a wireless network on your Android mobile device:
- From the home screen, choose Settings.
- In the settings menu, choose Wi-Fi.
- Press and hold the Wi-Fi network to be removed, and then choose Forget.
- Go to Start > Control Panel > Network and Internet > Network and Sharing Center.
- Choose Manage Wireless Networks from the options on the left.
- Highlight the network from the list and choose Remove.
To delete a wireless network profile in Windows 10:
- Click the Network icon on the lower right corner of your screen.
- Click Network settings.
- Click Manage Wi-Fi settings.
- Under Manage known networks, click the network you want to delete.
- Click Forget. The wireless network profile is deleted.
How to Hide a Computer From the Other Computers on the Network
- Right-click the network or Wi-Fi icon in the system tray area of the Windows taskbar and select "Open Network and Sharing Center."
- Click the "Change advanced sharing settings" link in the left pane.
- Select the "Turn off network discovery" option.
- Click the "Save changes" button.
How to Remove a Wireless Card From a Laptop?
- Turn off the laptop and remove the battery. Shut down your laptop through the operating system and close the lid.
- Remove all attached devices and cables.
- Locate the wireless card compartment and remove the cover.
- Detach the two antenna wires.
- Press the latch clips outward.
- Remove the wireless card from the compartment.
How to Delete Windows Workgroup
- Go to the Windows desktop and click on the "Start" button.
- Select "Control Panel," then "System."
- Select the tab labeled "Computer Name," and then take note of the name that is next to the word Workgroup.
- Close this window, go back to the Windows desktop and click "Start" again.
How to Delete IP Addresses from DHCP Service (DHCP Manager)
- Select the Addresses tab.
- Select the IP address's network.
- Select one or more IP addresses you want to delete.
- Choose Delete from the Edit menu.
- If you want to delete the host names from the hosts table, select Delete From Hosts Table.
- Click OK.
If your computer is being remotely accessed, it will show a little viewer icon in the menu bar. (Note, I've been using screen sharing since OS X Leopard, and I've never seen the icon noted by de_an777 in his answer. Go into System Preferences > Shared.
Choose Apple Menu (?) > System Preferences, then click iCloud. Deselect the Find My Mac checkbox. Sign out of iCloud. When you sign out of iCloud, you're asked whether you want to remove iCloud data from your Mac.
hold Command-Option-Esc down and Force Quit Finder. Then try to shut down. If that doesn't work, you may have to force power off, but that can corrupt the OS.
How to turn off Mac "Internet Sharing"
- Open System Preferences.
- Choose Sharing.
- Unlock the padlock.
- Deselect Internet Sharing as in this picture:
- Click the padlock.
- Close the System Preferences window.
SYNOPSIS: sharingd. DESCRIPTION: sharingd is used by the Finder to enable AirDrop file sharing, connecting to shared computers, and accessing Remote Discs from other computers. FILES: /usr/libexec/sharingd. HISTORY: sharingd first appeared in Mac OS X 10.9.
If you've been given permission, you can view and control the screen of another Mac on your network. On the Mac you want to share, choose Apple menu > System Preferences, click Sharing, select Screen Sharing, then note the name and address of the Mac (it's listed on the right).
Solution: Go to the ~/Library -> Recent Servers folder and throw away the servers you want to delete. Next time you use "Connect to Server," they will be gone.
Enter an administrator's user name and password, then click Modify Configuration (or use Touch ID). Select Active Directory, then click the “Edit settings for the selected service” button . Click Unbind, authenticate as a user who has rights to terminate a connection to the Active Directory domain, then click OK.
Remove Mac from Active Directory using Directory Utility[edit]
- First, you will need to open Directory Utility.
- Make sure the lock in the bottom left corner of the window is in an unlocked position.
- You will see three tabs: Services Search Policy Directory Editor.
- Double click on Active Directory.
- Click on the Unbind
Bind Mac OS X 10.6 clients
- Select the Apple menu and choose System Preferences and then click the Users & Groups icon in Mac OS X 10.7 (or Accounts in Mac OS X 10.6).
- Click Login Options.
- Click the Join or Edit button and enter the Open Directory master's fully qualified hostname in the Server field.
Making permanent connections
- From the Mac you want to mount a networked drive, start System Preferences.
- Select Users &Groups.
- Click Login Items.
- Click +.
- Navigate to your networked Server.
- Highlight the share you'd like to have automatically mount.
- Click Add.
Step 1: Bind OS X to a Windows Domain
- Login to the Mac as an Administrator.
- Open 'System Preferences' and select 'Users & Groups'
- Select the 'Login Options' menu in the sidebar and use the “Join” button.
- Enter the fully-qualified domain name of the AD domain being bound.
- AD Domain level credentials will be needed.
Connect or Disconnect a Server
- Select Termbase > Servers from the menu. The Status column displays the current connection status of each server listed.
- To disconnect a server, select the server and click Disconnect.
- To connect a server, select the server and click Connect.
- Click Close to close the Servers dialog box.
In OS X 10.6 to 10.9, Directory Utility is in the /System/Library/CoreServices/ - it can be accessed through the GUI via the Accounts System Preferences panel, after clicking 'Join' next to Network Account Server, and then clicking 'Open Directory Utility.
