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macOS Sierra (10.12)
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macOS 10.12 Sierra Unsupported Macs Thread
WikiPost
redheeler
Jun 13, 2016
213
214
215
Replies
5K
Views
1M
Apr 26, 2021
mac_early2008_8.1_2210
M
J
Sticky
Apple Watch Auto Unlock Questions [MERGED]
jsawy3r
Jul 5, 2016
15
16
17
Replies
403
Views
86K
Jan 2, 2021
UKenGB
U
Sticky
macOS 10.12 Sierra: Post bugs and fixes here
unobtainium
Aug 29, 2016
18
19
20
Replies
485
Views
154K
Jun 23, 2020
Kamil12
Sticky
macOS Sierra 10.12: Compatible Apps
WikiPost
ECJ
Jun 13, 2016
24
25
26
Replies
647
Views
428K
Mar 4, 2019
DaniloGeekDude
G
Sticky
macOS 10.12 Sierra: All The Little Things!
WikiPost
Galaxas0
Jun 13, 2016
30
31
32
Replies
782
Views
266K
Jun 28, 2017
kiwipeso1
Normal threads
Mail misbehaving
HandyMac
Jun 7, 2021
Replies
0
Views
334
Jun 7, 2021
HandyMac
L
YouTube: "An error occurred. Try again later."
Laodah
May 20, 2021
Replies
0
Views
894
May 20, 2021
Laodah
L
P
Broken AppStore
Patrice Brousseau
Apr 11, 2021
2
Replies
31
Views
2K
May 17, 2021
wellander1
W
2011 Intel HD 3000 MacBook Pro 1024mb Vram kext work
Ultracyclist
Jun 13, 2016
2
Replies
37
Views
36K
May 17, 2021
ahmadbavarsad
I
Cannot change Calendar Icon in Mac OS Sierra
iSquirrelu
Aug 31, 2016
Replies
6
Views
10K
May 15, 2021
NordicBoots
M
Help! Updated to macOS 10.12.4, MBP randomly shuts off
mokhan23
Mar 30, 2017
18
19
20
Replies
498
Views
199K
May 7, 2021
ddownn
E
can no longer rename files in Preview?
edjusted
Mar 1, 2017
Replies
13
Views
7K
Apr 25, 2021
edjusted
E
Back to Sierra Server from Catalina on my late 2012 mini
haralds
Mar 18, 2021
Replies
1
Views
2K
Apr 19, 2021
haralds
Preview shows only blank pages
Martin81
Apr 3, 2017
Replies
3
Views
4K
Apr 17, 2021
amartinez1660
A
Error while installing sierra (Usb is not a valid mount point.)
Khalil Dhahbia
May 14, 2020
Replies
12
Views
13K
Apr 7, 2021
kabas
K
C
Terminal command not working to make bootable installer
CharlesMumford
Oct 25, 2019
Replies
18
Views
22K
Apr 5, 2021
chrfr
macOS 10.12.6 full installer with valid certificate?
Silencio
Nov 8, 2019
2
Replies
41
Views
20K
Mar 29, 2021
Scoot65
S
Problems with icons and thumbnails
countermoon
Mar 28, 2021
Replies
0
Views
2K
Mar 28, 2021
countermoon
C
Imac computer almost unusable with Erratic Cursor!
cap2587
Mar 18, 2021
Replies
0
Views
2K
Mar 18, 2021
cap2587
C
L
is Sierra the highest OS version that can be hacked onto an early 2008 iMac?
Lynxpro
Nov 12, 2020
Replies
3
Views
5K
Mar 18, 2021
qoop
M
sudden power off
mongo_dude
Mar 2, 2021
Replies
1
Views
2K
Mar 14, 2021
barbu
A
How to stop Mail from automatic "mark as read" behavior? (in Sierra)
af721
Apr 5, 2017
Replies
13
Views
42K
Mar 11, 2021
armdn
Screen brightness broken (Sierra 10.12.4 beta 3)
Kaardan
Feb 20, 2017
2
3
4
Replies
99
Views
77K
Mar 8, 2021
simba55555
S
J
Macbook Pro 2011 upgrade (running old versions of apps)
jack-jack-too
Mar 6, 2021
Replies
1
Views
2K
Mar 6, 2021
CoastalOR
K
Wiped my hard drive, now OS Sierra won’t reinstall
Kathsr
Feb 20, 2021
Replies
3
Views
3K
Feb 22, 2021
joevt
J
M
impossible to update macbook pro 13" mid 2012 from sierra 10.12.6
misterborne
Feb 16, 2021
Replies
3
Views
3K
Feb 19, 2021
casperes1996
R
2012 Mac Mini
rainman91
Jan 27, 2021
Replies
4
Views
3K
Feb 11, 2021
itserga
I
M
overclocking
mongo_dude
Feb 5, 2021
Replies
2
Views
3K
Feb 5, 2021
mongo_dude
M
How to get rid of "two-factor Authentication" nag screens?
7enderbender
Apr 22, 2017
Replies
20
Views
53K
Jan 31, 2021
merrygoround
M
M
Mac OS Sierra constantly crashes...
myke323
Dec 12, 2020
Replies
10
Views
4K
Jan 28, 2021
myke323
M
K
Router Suggestions For Older Macs
Kathsr
Jan 24, 2021
Replies
2
Views
3K
Jan 24, 2021
ruslan120
Can't drag a network share to Find favourites?
Boomish69
Apr 6, 2017
Replies
6
Views
6K
Jan 23, 2021
Tomasimo
Upgrading a 2011 iMac
jwolf6589
Jan 22, 2021
Replies
8
Views
3K
Jan 22, 2021
jwolf6589
T
Bootable DVD for Sierra installer
tywebb13
Sep 21, 2016
Replies
11
Views
38K
Jan 20, 2021
fabthi
F
F
Apple HT error 4SNS/1/40000001:VG0C-0.000
fabthi
Jan 19, 2021
Replies
0
Views
3K
Jan 19, 2021
fabthi
F
M
iCloud Drive and Time Machine
mjohansen
Dec 28, 2016
Replies
15
Views
13K
Jan 18, 2021
Tozovac
F
Can't make a clean installation - Disk Utility failed
fabthi
Jan 17, 2021
Replies
0
Views
3K
Jan 17, 2021
fabthi
F
G
How can I delete plist files?
GPWarner
Jan 11, 2017
Replies
4
Views
25K
Jan 8, 2021
shinyhorus
K
Downloading videos & Photos from iCloud to flash drive
Kathsr
Jan 1, 2021
Replies
0
Views
4K
Jan 1, 2021
Kathsr
K
Anyone still on Sierra?
thadoggfather
Dec 26, 2018
2
3
4
Replies
84
Views
16K
Dec 29, 2020
jackoverfull
I
Unable to backup via TimeMachine - "The backup disk image .. already in use"
idyll
Feb 21, 2017
Replies
23
Views
61K
Dec 28, 2020
Rolandbreedveld
D
10GB (8gb Crucial 1600mhz DDR3L+ 2GB 1600mhz DDR3 Apple OEM) WORKS LIKE A DREAM
davemp88
Dec 13, 2020
Replies
0
Views
4K
Dec 13, 2020
davemp88
D
K
iCloud Help Please
Kathsr
Nov 27, 2020
Replies
2
Views
4K
Nov 27, 2020
Kathsr
K
T
Is there a walkthrough somewhere howto install 10.12 to 2009 mbp?
toke lahti
Aug 29, 2020
Replies
11
Views
5K
Nov 25, 2020
avz
A
D
Can I delete useless.kext files?
Dynomight Dude
May 17, 2017
Replies
12
Views
21K
Nov 12, 2020
FriosRios
F
M
About macOS Sierra on MacBook 4.1
mac0SCr3ator
Aug 6, 2020
Replies
1
Views
5K
Oct 5, 2020
Reza_jones
R
M
nsurlsessiond heavy network usage
MacMan988
Jan 12, 2017
Replies
5
Views
26K
Sep 25, 2020
samcema
S
Complete Tutorial for OS X Mavericks Theme on macOS Sierra
hungx
Aug 22, 2017
2
Replies
31
Views
27K
Sep 20, 2020
MacMediaNet
M
Anyone have a copy of the Sierra betas?
Wowfunhappy
Sep 11, 2020
Replies
3
Views
5K
Sep 12, 2020
casperes1996
S
Downgrading from Catalina to Sierra on a 2012 MBP
Scoot65
Jun 24, 2020
Replies
11
Views
6K
Sep 11, 2020
subaiku
S
M
VICE C64 emulator - how get it to work?
MrMister111
Apr 3, 2017
Replies
22
Views
31K
Sep 9, 2020
Hermenegildo
"deleted" process
randolorian
Sep 11, 2016
Replies
23
Views
16K
Sep 7, 2020
eostermueller
E
Bose Companion 5 - Sierra Compatibility
Tucom
Dec 1, 2016
Replies
9
Views
12K
Sep 4, 2020
Tucom
G
MBP unibody power button lost 1.5 second Shutdown
Gary.A1
Aug 26, 2020
Replies
0
Views
5K
Aug 26, 2020
Gary.A1
G
C
Can not remove back up drives from "Exclude from Back Up" list in Time Machine
campcap
Aug 25, 2020
Replies
0
Views
5K
Aug 25, 2020
campcap
C
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