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HT204063: How to Reset NVRAM on your Mac

Learn about How to Reset NVRAM on your Mac

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Title			Views	Latest activity
USB ports not working and SMC reset in MacBook Pro by insch	Show 0 Bookmarks0	3	37	September 14, 2016 5:50 AM by insch
post-HDMI hookup changes to desktop on laptop in Boot Camp by irina_w	Show 0 Bookmarks0	1	26	September 14, 2016 5:29 AM by irina_w
MacBook Pro retina late 2013 9 o l . keys not working in MacBook Pro by Grant Bennet-Alder	Show 1 Bookmarks1	2	32	September 13, 2016 7:33 PM by Grant Bennet-Alder
Unable to sign into iMessage after El Capitan upgrade in OS X El Capitan by kellyisunique	Show 4 Bookmarks4	73	59285	September 13, 2016 5:59 PM by kellyisunique
i was trying to connect my macbook air with external display vi thunderbolt cabel, it was working fine for 5 min, and suddenly my macbook's display turned off , and it i not working, i tried all but it dosent working and external display also get off in MacBook Air by John Galt	Show 0 Bookmarks0	1	34	September 13, 2016 5:01 PM by John Galt
mac mini ppc in Mac mini by lllaass	Show 0 Bookmarks0	1	64	September 13, 2016 3:12 PM by lllaass
Why my macbook pro freeze when my external displays are off but connected ? in MacBook Pro by Florian8354	Show 0 Bookmarks0	4	65	September 13, 2016 10:18 AM by Florian8354
MacPro3,1: Restart instead of shutdown in Mac Pro by equenox	Show 0 Bookmarks0	4	105	September 13, 2016 9:26 AM by equenox
Rode trrs microphone not recognised on 13 inch MacBook Pro in MacBook Pro by stefan.lt	Show 0 Bookmarks0	4	1612	September 13, 2016 5:50 AM by stefan.lt
MBP Mid 2012 Screen Problem in MacBook Pro by BEM	Show 0 Bookmarks0	3	55	September 13, 2016 5:05 AM by BEM
delete key macbook pro not working chrome in MacBook Pro by lllaass	Show 0 Bookmarks0	14	101	September 12, 2016 12:33 PM by lllaass
i can't open any media in my mac even youtube videos and iTunes music in Mac Pro by lllaass	Show 0 Bookmarks0	4	44	September 12, 2016 12:01 PM by lllaass
Windows 10 Sound Not Working. in Boot Camp by Loner T	Show 0 Bookmarks0	21	191	September 12, 2016 6:11 AM by Loner T
Unpredictable resizing of desktop in Mac mini by lllaass	Show 0 Bookmarks0	4	43	September 12, 2016 1:24 AM by lllaass
My wifi keeps on disconnecting in almost every 20 minutes? in MacBook Pro by jaceituno	Show 0 Bookmarks0	8	511	September 11, 2016 7:19 PM by jaceituno
Please help, new Mac is being troublesome in iMac by RIFerrarr	Show 0 Bookmarks0	2	50	September 11, 2016 2:31 PM by RIFerrarr
old 13 inch PowerBook not recognizing internal hard drive in PowerBook by Kenichi Watanabe	Show 0 Bookmarks0	3	89	September 10, 2016 8:12 AM by Kenichi Watanabe
Mac failed to reboot for Security Update, what to do? in MacBook Pro by lllaass	Show 0 Bookmarks0	1	40	September 10, 2016 7:06 AM by lllaass
Macbook Pro with Retina Display 2015 screen goes green? Green tint and haze? in MacBook Pro by Jojellly	Show 0 Bookmarks0	2	70	September 9, 2016 9:43 PM by Jojellly
Screen rendering issues on PowerBook G4 Aluminum in PowerBook by Ismetfacliu	Show 0 Bookmarks0	5	139	September 9, 2016 6:15 PM by Ismetfacliu
Bluetooth disabled after updating to OS X El Capitan 10.11.5 in OS X El Capitan by RJfilmMusic	Show 3 Bookmarks3	40	6343	September 9, 2016 4:05 AM by RJfilmMusic
Screen Going Black. in MacBook Pro by leroydouglas	Show 0 Bookmarks0	2	58	September 8, 2016 7:53 PM by leroydouglas
Windows failed to start, and unable to bring the disk selection menu. in Boot Camp by Loner T	Show 0 Bookmarks0	3	44	September 8, 2016 1:11 PM by Loner T
internet recovery doesn't work, spinning wheel and in Mac Pro by lllaass	Show 0 Bookmarks0	1	33	September 8, 2016 12:07 PM by lllaass
IMac is in loop of switching on then black screen then switches itself back on in iMac by den.thed	Show 0 Bookmarks0	1	30	September 8, 2016 4:25 AM by den.thed
I cannot use the apple ( top left) to shut the mac down in Mac Pro by Toon de Wit	Show 0 Bookmarks0	2	40	September 8, 2016 12:18 AM by Toon de Wit
Black screen on external display (HDMI, USB c HUB, MacBook 12' 2016) in MacBook by kenofstephen	Show 0 Bookmarks0	6	133	September 7, 2016 12:10 PM by kenofstephen
Disk shows invalid code in Boot Camp by Loner T	Show 0 Bookmarks0	17	108	September 7, 2016 4:33 AM by Loner T
Can't activate iMessage on iMac with El Capitan in OS X El Capitan by sleekdog	Show 1 Bookmarks1	48	10921	September 6, 2016 10:27 PM by sleekdog
Issues with Security Update 2016-001 in Final Cut Pro X by Carolyn Samit	Show 0 Bookmarks0	1	177	September 6, 2016 8:03 PM by Carolyn Samit

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