My Macbook Air wakes up with a blank screen. Why do I have to shut down and start up to wake it up?

I use Mountain Lion on a macbook Air. When it goes to sleep it wakes up with a blank screen, I have to shut down and start up again to wake it up. Can anyone help?

I had a similar thing on an old MacBook Pro where if I closed the lid, then reopened it before the sleep cycle took over, it would have a blank screen. I had to close the lid until the power light pulsed, then it would wake normally.
Any similarities?

Similar Messages

Macbook air charges fine with the Thunderbolt screen connection but only sometimes with the 45 W chargers.

My Macbook air charges fine with the Thunderbolt screen connection but only sometimes with the 45 W chargers. It seems to be the combination of the chargers and the computer. I was thinking whether the Thunderbolt screen has a larger power supply which easier activates the computer to actually receive the charge. It reminds me a bit of the Nokia Lumia 800 telephone, which when totally exhausted needs a strong charger to be activated again. I am as frustrated as most others. I have got two chargers, and both of them sometimes work, other times not. Sometimes, they start working after a while. Is Apple meanwhile coming up with a solution or advice how to handle such situation?

I just got my ATD and late 2011 MBP up and running. I've not tried running without the power adapter from the ATD plugged in, but I just tried and didn't have any problems with the display not waking. You may want to take your query to the ATD forum - https://discussions.apple.com/community/peripherals/thunderbolt_display - perhaps someone there has experienced a similar issue.
Good luck,
Clinton

A friend bought second hand macbook air mid 2011 with crossed circle on the display, we tried recovery from partition and same thing happened, after internet recovery it stays the same except now it asks for password for boot option, what happened?

A friend bought second hand macbook air mid 2011 with crossed circle on the display and give to me to try to recover the system, I tried recovery from partition and same thing occured, after internet recovery it stays the same-crossed circle after reboot, then we tried to boot from USB with mac os 10.8 on it, it installs something,like it has being finishing installation, rebootes, and now it asks for password for boot option.We have no idea what that password could be.What happened!!!

I forgot to write down my computer specs:
iMac 27 Mid 2011
2.7 GHz Intel Core i5
4 GB 1333 MHz DDR3
AMD Radeon HD 6770M 512 MB
OS X 10.9.2

TS2570 I have MacBook Air late 2011 with encryption enabled the mac froze so I just shut it down by pressing the power button .But the when I tried booting the gray screen appeared nothing else

I have MacBook Air late 2011 with encryption enabled the mac froze and I pressed the power button to shut it down but then the gray screen appeared no wheels nothing just gray. I tried all steps but nothing helped. Worse than that only the pram key combination works I cant get the cmd-r or just alt or any combination to work??? Any suggestions would help. Thanks!
P.s. I am on mountain lion with ssd encryption enabled. The mac froze when the internet stopped the one from the cable (I use ethernet usb one) when I turned wifi on it froze. I have disconnected everything when trying the steps except power cable.

Boot into Internet Recovery (command-option-R at the startup chime) and try to repair the boot volume in Disk Utility. You will have to unlock the volume before you can do anything with it.

I have a 6 week old 4s running 5.1.1 Just started recieving "failed sim" message the other day. This leaves me with no cell service . Service comes back after shutting down and restarting. at least until message reaapears. Has happened three times in two

I have a 6 week old 4s running 5.1.1. Started recieving "failed sim" message yesterday. this leaves me with no cell service. Shutting down and turning back own seems to alleviate problem temporarily. It has happened three times now. Help.

Sounds like you have a battry issue but don't want to believe it.
If a car was running fine on one tank of gas, then you filled it up with another tank of gas and it began to run funny, one might suspect that tank of gas. But let's just say coincidence blew a valve-- would you think the new tank of gas was the culprit?
BUT WAIT!! It just might have been! The gas could have been of higher octane and put more more strain on the valves; you know, like going from 87 octane (OS6) to 93 octane (OS7) and showing you the engine was on the edge of compromise.
Sometimes you have to go with common sense. If everything else is ruled out, it must be the battery. And if it runs fine one moment in OS6 but immediately ***** in OS7, I'd believe my battery was suspect-- though comfy-- in OS6 but the OS7 showed its true power.
Moreover, if you had the answer-- or didn't want to believe someone's more competent advice-- why did you even call? You've already shown that you don't know much when you asked if you could go backwards after setting up the new OS as a new phone.
Additonally, if you're such the know-it-all, but yourself the $29 battery and put it in yourself. It's a piece of cake.
<Edited By Host>

HT1635 i can not eject a cd from my macbook. i have restarted, shut down, and also removed battery. i have held the eject button down. Not helping. The cd does not show on my home screen either. Please help.

I can not eject a cd from my macbook. I have restarted, shut down, took battery out and also held down eject button. So far nothing. Help!!

Hold the trackpad button down at restart.

My Macbook Pro boots up with a blank screen.

It's as if there is no power to the screen at all? The lights behind the keyboard work fine, and the volume buttons are fine too, just a blank screen. Is there anything I can do?

Following :-
I have the same problem - completely nothing at all on the screen, is working fine with external monitor (am using it now!)
Diagnostics show passed
Graphics/Displays shows :-
NVIDIA GeForce 9400M:
Chipset Model:          NVIDIA GeForce 9400M
Type:          Display
Bus:          PCI
VRAM (Total):          256 MB
Vendor:          NVIDIA (0x10de)
Device ID:          0x0863
Revision ID:          0x00b1
ROM Revision:          3448
Displays:
Display Connector:
Status:          No Display Connected
SyncMaster:
Resolution:          1440 x 900 @ 60 Hz
Depth:          32-Bit Color
Core Image:          Hardware Accelerated
Main Display:          Yes
Mirror:          Off
Online:          Yes
Quartz Extreme:          Supported
Rotation:          Supported
Hardware overview shows :-
Hardware Overview:
Model Name:          MacBook Pro
Model Identifier:          MacBookPro5,4
Processor Name:          Intel Core 2 Duo
Processor Speed:          2.53 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          3 MB
Memory:          4 GB
Bus Speed:          1.07 GHz
Boot ROM Version:          MBP53.00AC.B03
SMC Version (system):          1.49f2
Serial Number (system):          W8933J377XJ
Hardware UUID:          B6080469-1D89-51E5-BE61-069BC117FCF7
Sudden Motion Sensor:
State:          Enabled
Any pointers bar "take it to Apple store" appreciated (it's out of warantee)
Thanks regards Graham

My MacBook Air chimes during startup but flashes a bar at the bottom then shuts down, is this a hard drive failure or a hard ware failure? Please help I miss my laptop

First generation MacBook Air running OSX 10.6.8

Hi,
From what you describe it's certainly a Hard Drive failure so you'll definetely need to contact HP. Personally, considering this is the 2nd HDD in under 2 months, I say it's either bad luck ( however unlikely ) or there is another issue at play - it may be worth suggesting this to HP when you contact them.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

Lenovo x220 tablet pc with ubuntu 12.04 Shuts down and starts up unexpectedly

Hi
I bought a lenovo x220 tablet pc and installed ubuntu 12.04 with GNOME 3 a while ago.
It was working fine at first however recently:
1. the computer shutsdown unexpectedly, the shutdown dialog appears (the one that gives you the option of restart, cancel, or shutdown); I try to cancel it however the laptop would just power down (without going through the proper shutdown routine). Once it powers down it would try to reboot on its own but halfway during the reboot it would power down again.
2. At times when I do shutdown normally, I would just close the lid and the computer would start back up again, without my pressing the power button (just moving the monitor makes the computer startup)
In addition I dropped the computer on the battery side at one time and cracked the plastic casing a little. The above mentioned problems still exists when I use the laptop without the battery.
Does anyone have any suggestions on how to go about finding out what's wrong and how to fix it.
Thanks in advance for the help.

Hey mate,
sorry to here about that. Here may be a path to the clearing where a possible solution is waiting: Nowadays it is standard to let the pc (or more exactly the power manager of the OS) listen to the ACPI bus for messages like power button pressed and such things. If such a message surfaces and your power manager picks it up it is possible (if you have this configured as an action) that it shuts down you computer or restarts it. To eliminate this possibility you can try one of the following to things:
1. stop your power manager from working
2. get yourself superuser rights and use acpi_listen to listen to the acpi bus (if not working then install "acpid", shut down your power manager and start acpid as service)
3. open your system log (e.g. /var/log/messages) and search for things connected to your power manager or acpi
Please tell me if it worked! If not you could also post the content of your system log for analysis.
Using x230t (i5-3320M, 8GB RAM, 256GB SSD, 80GB mSata-SSD) and loving it!
"I may not own the world but I own my mind and therefore the world is at my feets." (me)

Adobe Creative Cloud Desktop is showing a blank screen at every launch (have tried multiple CleanerTool and OOBE-related methods)

**Background:** My computer, installed with Windows 7 is 2 weeks old. Yesterday I installed Creative Cloud Desktop, Premiere Pro and After Effects on my computer and everything went *absolutely* smoothly, not a bump. I did about ten hours work using these programs. Later that night, when I was about to go to sleep I went to my room and pressed the power button on my PC thinking I had left it on (just my memory, it had no lights on or anything) but it started turning itself on. Being tired, I immediately pressed the button again (I'm fairly sure the interval wasn't long enough for it to start updating).
This morning, I turn it on and Startup Repair appears, which recommends that I System Restore. So I do. It starts up fine this time, but said programs are gone and briefly I freak out about having lost all my work but the kind people in the reddit techsupport IRC chat here reminded stupid me of what I had forgotten, files stay in a System Restore.
**Problem:** So, I go to reinstall Adobe Creative Cloud Desktop. First of all, it fails to initialises (I had to go into Safe Mode to find out exactly what the problem was) but I used the Cleaner Tool and it completed the install eventually. But, when I start up the program, it briefly shows the loading symbol before going to a *completely* white screen, nothing on it at all. I have since used the Cleaner Tool again after the program being quite adamant about not being uninstalled, restarted and reinstalled and still, same problem. Then I searched through https://forums.adobe.com/message/5553596#5553596 and performed every solution in there, including changing the name of the opm file, changing the name of the OOBE folder and deleting the OOBE folder (all while the Creative Cloud app is not running including all processes killed). I uninstalled using the Cleaner Tool and reinstalled in-between all of these attempted solutions.
This has basically eaten up my workday so far.

I took another look at the creative cloud cleaner instructions and realized I wasnt running it correctly. I read the instructions too quickly. I got it up and running. I had forgotten to run as administrator.

My computer keeps repeatedly popping up with a screen telling me i need to shut down and restart my computer. Once i do, the following code pops up for me to submit to Apple. This keeps happening...why?!?

nterval Since Last Panic Report: 7854 sec
Panics Since Last Report:          3
Anonymous UUID:                    9ECF6F3D-32CF-4469-9ED0-D8C0B393DF03
Mon Feb 24 12:51:45 2014
panic(cpu 1 caller 0x2abf6a): Kernel trap at 0x0023184c, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0xffffff8b, CR3: 0x00100000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x52a75024, ECX: 0x0000002c, EDX: 0x00869f20
CR2: 0xffffff8b, EBP: 0x59313e88, ESI: 0x52a66050, EDI: 0x00000000
EFL: 0x00010006, EIP: 0x0023184c, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000002
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x59313c78 : 0x21b837 (0x5dd7fc 0x59313cac 0x223ce1 0x0)
0x59313cc8 : 0x2abf6a (0x59e3d0 0x23184c 0xe 0x59e59a)
0x59313da8 : 0x2a1a78 (0x59313dc0 0x6498 0x59313e88 0x23184c)
0x59313db8 : 0x23184c (0xe 0x48 0x59310010 0x4f4a0010)
0x59313e88 : 0x226959 (0x52a75024 0x2c 0x83f00dc 0x2c)
0x59313ef8 : 0x2275b0 (0x8afb3f0 0x8afb3f0 0x59313f58 0x233203)
0x59313f68 : 0x227631 (0x552ed0 0x8fc5f40 0x0 0x8afb3d4)
0x59313f88 : 0x552f8c (0x552ed0 0x8fc5f40 0x823c7f5f 0x2ab22a)
0x59313fc8 : 0x2a179c (0x8fc5f40 0x0 0x10 0x8ac0604)
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro7,1 (Mac-F222BEC8)
System uptime in nanoseconds: 189424457620
unloaded kexts:
com.apple.driver.AppleMCP89RootPortPM 1.11 (addr 0x1438000, size 0x20480) - last unloaded 94286283321
loaded kexts:
com.apple.driver.AppleHWSensor 1.9.3d0 - last loaded 28388780761
com.apple.driver.AGPM 100.12.31
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AppleMikeyDriver 2.0.5f14
com.apple.driver.AppleHDA 2.0.5f14
com.apple.kext.AppleSMCLMU 1.5.2d10
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.driver.AudioAUUC 1.57
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.GeForce 6.3.6
com.apple.driver.AppleBacklight 170.0.46
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AppleUSBTCButtons 201.6
com.apple.driver.AppleIRController 303.8
com.apple.driver.AppleUSBTCKeyboard 201.6
com.apple.driver.AppleUSBCardReader 2.6.1
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.iokit.AppleBCM5701Ethernet 3.0.5b8
com.apple.driver.AirPortBrcm43224 428.42.4
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleUSBHub 4.2.4
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleUSBOHCI 4.2.0
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.14
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.driver.DspFuncLib 2.0.5f14
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.driver.AppleHDAController 2.0.5f14
com.apple.iokit.IOHDAFamily 2.0.5f14
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.iokit.IOSurface 74.2
com.apple.nvidia.nv50hal 6.3.6
com.apple.NVDAResman 6.3.6
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.iokit.IONDRVSupport 2.2.1
com.apple.iokit.IOGraphicsFamily 2.2.1
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.driver.AppleSMC 3.1.0d5
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.driver.AppleUSBMultitouch 207.7
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8
com.apple.iokit.IOUSBMassStorageClass 2.6.7
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.driver.NVSMU 2.2.7
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289.1
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily 1.3.0
Model: MacBookPro7,1, BootROM MBP71.0039.B0E, 2 processors, Intel Core 2 Duo, 2.4 GHz, 4 GB, SMC 1.62f7
Graphics: NVIDIA GeForce 320M, NVIDIA GeForce 320M, PCI, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.10.131.42.4)
Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Hitachi HTS545025B9SA02, 232.89 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: Internal Memory Card Reader, 0x05ac (Apple Inc.), 0x8403, 0x26100000 / 2
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8507, 0x24600000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06600000 / 4
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8213, 0x06610000 / 7
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x06500000 / 3
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x0236, 0x06300000 / 2

thank you, I am now trying the kernal panic mode you recommended. I thought that of the ram as when I first tried turning it on today, I was getting repetative beeps (1 beep each time), but both rams were secure. Then it finally started up and was doing this. I'll update back as soon as i've tried this. Fingers crossed, thank you for your help

Having trouble with Yahoo email. Will read a few emails and then the infamous spinning colored wheel appears and takes forever. Have to shut down and go through the whole cycle again. Please help.

Sorry first post in this forum. I can log on to Yahoo email, read a few emails and then the infamous multi-colored spinning wheel appears and I end up having to shut down and cycle back in again. I have a 2011 MacBookPro 17 not quite a year and it just started acting up this way. Any suggestions. Thanx.

here are some ways to troubleshoot the spinning beach ball: http://www.macworld.com/article/151583/2010/05/spinningbeachballofdeath.html Hope you find this useful.

What to do if it freezes with a blank screen

Tried to restart the mac pressing CMD+Opt+On/Off then pressing CMD+R+On/Off with the restart sound going off. However, it still freezes with a blank screen. All control buttons such as brightness and volume do not work at all. After waiting for few seconds, it ask me to press Return key if i wanted to put english as my language which i did and still with a blank screen. A few seconds later, the edges around the keyboard became hot. Then i tried to restart it the same process a few times, still the same results. This happened right after i login into my account.

http://support.apple.com/kb/ht1343
http://support.apple.com/kb/HT5869
Restart shortcut keys
control + command + power/eject

I've had my MacBook Air for not even a year and about 2 months ago i tried opening my Iphoto, but it continually sits with a blank screen and the loading wheel just spins. Someone help :(

I've had my MacBook Air for not even a year and about 2 months ago i tried opening my Iphoto, but it continually sits with a blank screen and the loading wheel just spins. Someone help

Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
If that fails:
Option 2
Download iPhoto Library Manager and use its rebuild function. (In early versions of Library Manager it's the File -> Rebuild command. In later versions it's under the Library menu.)
This will create an entirely new library. It will then copy (or try to) your photos and all the associated metadata and versions to this new Library, and arrange it as close as it can to what you had in the damaged Library. It does this based on information it finds in the iPhoto sharing mechanism - but that means that things not shared won't be there, so no slideshows, books or calendars, for instance - but it should get all your events, albums and keywords, faces and places back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.
Regards
TD

Icloud drive fails to work at all on my Macbook Air 11 inch with Yosemite recently installed, 2014-09-20

icloud drive fails to work at all on my Macbook Air 11 inch with Yosemite recently installed, 2014-09-20. It works fine on my iMac, but that's no use to me. Unless it works with my Macbook Air, it's useless. Dropbox manages very well, but Dropbox has recently promoted the War Criminal Condoleeeza Rice to its board, presumably so it can spy on its users better. So, Apple, what's the problem? Any answers to this common problem?

I like it very much. I use it on my iPad (and occasionally my iPhone). I'm kind of a keyboard snob actually. I tried the Apple wireless keyboard first. Apple keyboards have a short throw that hurts the tips of my fingers. They're very pretty but the on button turns on when I don't want it to and my iPad wakes up in my bag. Strike 1.
I went to a little keyboard called the Joy and it had a positive switch so I didn't have the wakeup problem. It worked well though after several months I wore it out and had to replace it with another one. I also didn't like how flat it sat and used rubber bumpers on the back. It too had a short throw that hurt my finger tips after a while but it was better than the Apple.
Then I discovered the Logitech bluetooth keyboard, the K811. This is a great keyboard. It switches between multiple targets with one press, it has a positive on/off switch, the keys light up, it's rechargeable and lasts a long time, and the slight cushioning on the keys keeps my fingers from hurting. I put the rubber bumpers on it though like the Joy because I like the keyboard to sit up a little. It's a tiny bit bigger than the other keyboards but I like it a lot, better than my MBA keyboard and better than my iMac wired keyboard. I'm trying out an after market keyboard on the iMac now but I'm thinking about switching to one of these for the iMac.

My Macbook Air wakes up with a blank screen. Why do I have to shut down and start up to wake it up?

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