Bluetooth Gone Missing

Some way or another, bluetooth has gone missing from my System Preferences pane. I restarted my computer a few days ago and noticed that it was gone. In the past I have used the OS X installation CD and Pacifist to fix problems like this but I'm not sure what file I should install or if this is even the solution. Any help would be greatly appreciated. Thank you!

Hello,
Is it a mouse you are pairing with the MacBook? And can you see the Bluetooth icon in the Status Menu Bar???
Probably a good time to check the boot disk for errors just in case.
Open Disk Utility, in the Utilities folder in the Applications folder.
Select your disk, and click First Aid.
Click Verify Disk.
If the disk needs repairs, do one of the following:
Insert your Mac OS X Install disc in your computer’s optical drive or an optical drive connected to your computer, and then restart your computer. When you hear the startup tone, hold down the C key until you see the progress indicator, which looks like a spinning gear.
Follow the onscreen instructions until the menu bar appears with the Utilities menu in it, choose Utilities > Disk Utility, click First Aid, and then click Repair Disk.
Restart your computer using Remote Install Mac OS X. Follow the onscreen instructions until the menu bar appears with the Utilities menu in it, choose Utilities > Disk Utility, click First Aid, and then click Repair Disk.
Checking a hard disk to see if it’s going to fail
You can check the health of your hard disk by checking its Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) status in Disk Utility. Most disk drives include S.M.A.R.T. hardware. Developed by IBM, S.M.A.R.T. hardware allows hard disks to test themselves for potential problems.
To check your hard disk’s S.M.A.R.T. status:
Open Disk Utility, in the Utilities folder in the Applications folder.Select the disk in the list at the left, and look at the bottom of the window for a field named “S.M.A.R.T. Status.”
Is it a mouse you are pairing with the MacBook?
Carolyn

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MSI GE70 Bluetooth gone-missing-disappeared

I tried to uninstall the driver, but I don't see it in my Device manager anymore.
I also tried to re-instal the latest Intel Bluetooth Driver file from the MSI support page. The "Bluetooth" option is still not visible in my PC Settings.
Windows 8.1 64 bit
Any ideas?

Bluetooth is a big issue on Windows 8.1.
Search the internet a little....you will see an absolute TON of people complaining about various notebooks no longer having working bluetooth.
You can try the suggestions on this site....
https://www.wiknix.com/solved-bluetooth-device-not-working-in-windows-8-1/
FIX: Bluetooth Not Working In Windows 8.1
Step 1:
→ Go to RUN (Windows Logo + R) and type “services.msc” and Enter.
Step 2:
→ Now find “Bluetooth Support Service” and double click on it.
Step 3:
→ In General Tab change startup type Manual to Automatic.
Step 4:
→ Now click on Log On Tab and mark on “This Account” and type your account name or browse to find your account name.
Step 5:
→ Now remove both hidden password and restart your PC.
Step 6:
→ Now Re install your Bluetooth drivers. You can download latest Bluetooth drivers from your PC official website.
Step 7:
→ If Bluetooth drivers not compatible with Windows 8.1 then follow simple steps.
Step 7a:
→ Go to RUN(Windows logo + R) and type “regedit” to open registry editor.
Step 7b:
→ In registry editor go to HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows NT/CurrentVersion
Step 7c:
→ In Current Version find Current version and change the value 6.3 to 6.2.
→ Now check your Bluetooth device, If you have any question about this problem please comment below.
This solution is working for all major laptop brands and manufacturers like Dell (Inspiron, Latitude, Precision, Studio, Vostro, XPS, Studio XPS, Alienware), HP (HP Pavilion, HP Omnibook, HP Elitebook), Sony (VAIO), Lenovo (ThinkPad, IdeaPad, 3000 series), Acer (TravelMate, Extensa, Aspire), Asus (Asus Eee, Zenbook), Toshiba (Dynabook, Portege, Tecra, Satellite, Qosmio, Libretto), Samsung (Sens), Compaq, IBM, etc.

Bluetooth pane has gone missing since update from 10.10.2 to 10.10.3 on iMac mid 2007

I have a iMac mid 2007 model. I was running os x 10.10.2 with no problems. I update to os x 10.10.3 for the security issue. Now my bluetooth pane has gone missing from system preferences. I have tried everything suggested in suggested in support as it seems others have suffered the same thing on different macs. Nothing has that was suggested there has corrected this issue. Does anyone have any ideas apart from using a wired mouse and keyboard or using time machine to revert to os x 10.10.2? Let me know please.
Also booting up is slow to say the least, I can live with that though unless there is an as yet unknown by me fix.

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Please take this step regardless of the results of Step 1.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of Steps 1 and 2.

WAN choice in FN-F5 dialog for TP61 has gone missing

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you need hotkeys features http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/81vu13ww.exe
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Hello there, gags1246.
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Try what Terence Devlin posted in this topic:
Terence Devlin
Apr 14, 2015 11:21 AM
Re: Is Iphoto gone ? i want it back!
in response to Johannes666
Recommended
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Bluetooth Gone Missing

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