aysha635
Level 1
(4 points)
Q: i coonected my macbook to my tv which works before but suddenly is showing no signals on the tv,what should i do?
i connected my macbook to my tv which perfectly works before but suddenly not working,note that i ve tried different PC,different cable and display porst,the all work perfectly well.
MacBook Pro, OS X El Capitan (10.11.3)
lllaass
Level 10
(190,886 points)
- Try resetting the SMC and NVRAM/PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
- Try starting in Safe Mode
OS X: What is Safe Boot, Safe Mode?
- Boot to Recovery and repair the startup disk
OS X: About OS X Recovery - Apple Support
- If it is repairable reinstall the OSX
How to reinstall OS X on your Mac - Apple Support
- If you do not have a backup use disk utility to restore the internal disk to an external disk so you can try to recover data.
Then format the startup disk and do a fresh install of OSX
