Macbook Air is not turning on or repairing?

Hello, I know there are a lot of similar discussions but my situation seems to be a little bit different. I turned my Macbook Air on the other day and it completely froze at the login screen, the keyboard and mouse were unresponsive, so I forced the computer to shut down by holding the power button for several seconds. When I tried to turn it back on, all I got was the white screen with the apple logo and spinning wheel, after about a half hour of this, I forced it to shut down and tried again... same thing. I tried resetting the PRAM by holding down Command+Option+P+R, it chimed twice and started to turn back on but shut off again. I then tried to restart in Safe Mode by holding Shift, a grey progress bar appeared under the Apple logo and spinning wheel, once it went all the way across the computer just shut off. Eventually, after many useless restarts, I got it to boot up in recovery. I tried to verify the disk and it told me to repair it, so I tried to repair the disk and after a few attempts it cannot be repaired. I then tried to reinstall Mountain Lion, but every time it says there is an error after a few seconds.
Now, everytime I restart the computer the grey progress bar is there, it gets to the end and the computer completely shuts off. The only way I can get it to turn on in anyway is to start up in recovery, where the "Macintosh HD" disk is greyed out and cannot be reparied (after many attempts) in Disk Utility. The only files this computer contains is some photos and Pages documents that are in my iCloud, so I'm not too worried about everything being erased, I'm just not sure exactly how to do it. Does anyone know exactly how to erase the disk and reinstall Mountain Lion? Or any other method that might work better? Ideally, it would be great if I didn't have to erase and reinstall, but I'm loosing hope at this point.
Ps. I purchased the MacBook Air in June of 2012 with Lion in it, I then updated it to Mountain Lion shortly after I bought it. It is the basic 11" model.

Thanks for the reply! I managed to solve the issue by starting up in recovery and using disk utility to erase the disk. Turns out that my computers date was set to April 1999, which wouldn't allow me to reinstall Mountain Lion. After setting the current date in Terminal, I was able to repair the disk and reinstall OS X. I lost all of my files, but most of them were in my iCloud so I'm just happy that my laptop is working again.

Similar Messages

My MacBook Air will not turn on. I get a white screen with the apple logo and a spinning star that just does that for hours

My MacBook Air will not turn on. I get a white screen with the apple logo and a spinning star (search icon). It will spin for hours and never go away unless I power off.

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. 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. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

My macbook air will not turn on and it has been charging all night? What to do?

My Macbook Air will not turn on this morning after charging all night, what can I do to start it?

Check the adapter > Apple Portables: Troubleshooting MagSafe adapters
And try a different electrical outlet.

MacBook Air does not turn on but does this damage it's hard drive ? Can I still save/ recover videos and photos from photo stream?

My MacBook Air was put on sleep mode and a couple of hours later I attempted to turn it on and no response. I called apple support and went through the process to try to power it back on and it would not turn on . Nothing would show on the screen and I heard nothing coming from my MacBook Air .
Is this because it overheated ? does this have to do with where it was charging and placed ? or is this because of battery/ power problems ?
I had no choice but to take it to the apple store for repair . Does anyone know if when this happens it ruins my hard drive ?? is all data lost ?
I have my sons memorable photo and videos on photo stream ? How can I recover that if it would turn on ? it is photo streaming with iPhone but only limited and no videos .. Can I get transferred/ photo streamed to windows computer?
Please help ..any ideas what went wrong and how to save my memorable home videos an photos of my son ?
Greatly appreciated

Well on the Air models there really isn't a traditional hard drive, it is a SSD/Flash drive that is integral to the system and can't really be removed or connected to another Mac for retrieving of files. So yes if you take it in and they have to replace the Logic board, The Hart Of the System, then more then likely all your files will be gone.
That is one reason Apple includes Time Machine for Backing Up the system including your files. If you never used Time Machione then eventually, At Some Point In Time, you will Lose all your data. That is a fact of all computers.

MacBook Air won't turn on after repairing permissions

Hi everyone!
I tried to update the software on my new MacBook Air; the updates started downloading and then it stopped because of a network problem. For some reason, my network wouldn't accept it so I thought *checking the permissions*; I asked for a repair, had the time briefly to see the long list of incompatibilities and then, bof, the Mac turned off, as simply as that. I did everything the Troubleshooting page suggested here:
+Press the control key, the command key, and the power button simultaneously and hold for three seconds to try to restart the computer.+
+Reset the PRAM. After pressing the power button, hold down these keys simultaneously: Command-Option-P-R, until you hear the startup chime at least one additional time after the initial startup chime.+
+On the MacBook Air, press (left) Shift-Control-Option along with the power button once. Note: You must use the keys on the left side of the MacBook Air keyboard.+
the only thing I can say is that at times I could hear the fan turning, but although I pressed the luminosity & sound buttons nothing changed.
I wonder if it's a software problem.
I am frustrated as ****, especially as in my country I don't trust anybody to get close to it
Any suggestions pleeeeeeease?
Thank you!

Hi Guys,
I'm having the same issue with my MBA. Basically, I press the power button, the SIL light flashes once for about 5 seconds, then goes off, then comes back on and I can hear the fans spin up (I have removed the back cover to confirm this). The screen stays black, the keyboard doesn't show any signs of life and the SIL light just sits there. I've tried the usual SMC, PRAM reset, all to no avail. Thought that maybe it could be a POST or boot ROM failure... Any ideas?
Thanks,
Mark J

My macbook air does not turn on i did try the sugestions of previous queries but all i can achieve is turning what i assume are the fans.still the screen is dead, although i have my macbook since christmas ,i only been using it for two months .

i have only been using my macbook for the last two months,yesterday before turning it off ,or shutting it down i revised the batterie charge and it had 97% charge so i shut the computer with the apple icon and shut computer off . four hours later could not turn it on , i read previous entries on the isue and there was a sucseful result ... i believe the first idea was to press power switch for five seconds unpluging it previously from the wall ,and try after ? did it two times ,but nothing, then on the prosses of resseting the cistem..SSsomething ,it mention pressing control and something else at same time ,to force quit anything that might be still running ( i notice then that the fans or the fan was making a noice.then press power for ten seconds and i could heard the fans off . i tried two times the reset option especific for the mac air with non remomable batteries ,but it still does not turn on ... i am very fustrated as the last two months have been very painful ,for i am very much a mac starter and at my age learning does not came easy ,and just as i am getting to enjoy the diference ... dead new toy . can someone please advise? but regardless of .thank you . is unfortunate approching this community because of a need , but at the same time glad to know there is more than a shop assistant out there .thank you all .

I am having the identical trouble as described above with my month old Macbook Air. I tried everything with the ditto results. Please help anyone!
Mine is a Macbook Air 13', 128GB, 1.86GHz with 4 GB RAM.

My macbook air will not turn on all the way

When I try to turn on my AMcBook Air the screen will not get past the thinking circle

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a boot failure is to secure your data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since your last backup, you can skip this step.
There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.a. Boot into Recovery by holding down the key combination command-R at the startup chime, or from a local Time Machine backup volume (option key at startup.) Release the keys when you see a gray screen with a spinning dial. When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in the support article linked below, under “Instructions for backing up to an external hard disk via Disk Utility.”
How to back up and restore your files
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime. Connect the two Macs with a FireWire or Thunderbolt cable. The internal drive of the machine running in target mode will mount as an external drive on the other machine. Copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
How to use and troubleshoot FireWire target disk mode
c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
If you've booted from an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
Step 3
Boot in safe mode.* The instructions provided by Apple are as follows:
Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
When you see the gray Apple logo, release the shift key.
If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
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.
*Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Post for further instructions.
When you boot in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then reboot as usual (i.e., not in safe mode.)
If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 4
Sometimes a boot failure can be resolved by resetting the NVRAM.
Step 5
Launch Disk Utility in Recovery mode (see step 1.) Select your startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then reboot as usual.
Step 6
Boot into Recovery again. When the OS X Utilities screen appears, follow the prompts to reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
Step 7
Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a backup.
Step 8
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.

My MacBook air will not turn on

Computer is charged, but nothing. 1 month old

This has happened to me last night. Air is only 2 weeks old if that. Completely dead. Had to take it to get serviced. Pretty poor and a real pain.

My Macbook air is not charging.

It's connected to a power source and is running off of this power source, but the battery itself is not charging. I've already tried doing the shift-control-option-power button reset and it did not work. My battery report is as follows:
Battery Information:
Model Information:
Serial Number:    D86229607R5DKRNAJ
Manufacturer:    SMP
Device Name:    bq20z451
Pack Lot Code:    0
PCB Lot Code:    0
Firmware Version:    406
Hardware Revision:    000a
Cell Revision:    162
Charge Information:
Charge Remaining (mAh):    853
Fully Charged:    No
Charging:    No
Full Charge Capacity (mAh):    5329
Health Information:
Cycle Count:    489
Condition:    Normal
Battery Installed:    Yes
Amperage (mA):    0
Voltage (mV):    7346
System Power Settings:
AC Power:
System Sleep Timer (Minutes):    10
Disk Sleep Timer (Minutes):    10
Display Sleep Timer (Minutes):    10
Wake on AC Change:    No
Wake on Clamshell Open:    Yes
Wake on LAN:    Yes
AutoPowerOff Delay:    14400
AutoPowerOff Enabled:    1
Current Power Source:    Yes
DarkWakeBackgroundTasks:    1
Display Sleep Uses Dim:    Yes
PrioritizeNetworkReachabilityOverSleep:    0
Standby Delay:    4200
Standby Enabled:    1
Battery Power:
System Sleep Timer (Minutes):    15
Disk Sleep Timer (Minutes):    10
Display Sleep Timer (Minutes):    15
Wake on AC Change:    No
Wake on Clamshell Open:    Yes
AutoPowerOff Delay:    14400
AutoPowerOff Enabled:    1
DarkWakeBackgroundTasks:    0
Display Sleep Uses Dim:    Yes
Reduce Brightness:    Yes
Standby Delay:    4200
Standby Enabled:    1
Hardware Configuration:
UPS Installed:    No
AC Charger Information:
Connected:    Yes
ID:    0x0000
Revision:    0x0000
Family:    0x0000
Serial Number:    0x00000000
Charging:    No

I have a similar problem. My macbook air will not turn on unless it is plugged in, but it is not charging. It says "Battery is not charging Power source: Power adapter". The battery percentage remains the same. If i turn off the charger or remove the magsafe 2, my macbook air will automatically turn off. I have tried SMC but it has not worked either.
My macbook air is only less than 3 months old and I'm unsure what the problem is, my adapter or the battery.
Please help, many thanks.

My MacBook Air won't turn on? I have to dropped it but earlier in the day I got a notification about a full single drive. I have tried the ideas in the communities but its still not working, help!

My MacBook Air won't turn on? I have to dropped it but earlier in the day I got a notification about a full single drive. I have tried the ideas in the communities but its still not working, help!

See this article:
http://support.apple.com/kb/ht3964
Find the section that applies to your computer, and follow the instructions.
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

My MacBook Air is not charging and not lighting to orange and green, try what I saw in the net by pressing (shift-ctrl-option power button) but still same problem not charging,only it turned off but when I turn it on again nothing happens.. Pls tell me

My MacBook Air is not charging and not lighting to orange and green, try what I saw in the net by pressing (shift-ctrl-option power button) but still same problem not charging,only it turned off but when I turn it on again nothing happens.. Pls tell me

Wrong forum. This is the iPad forum.

Mid-2009 Macbook Pro will not turn on

Hi Folks,
so my mid-2009 15in Macbook Pro will not turn on. I updated the OS to Mavericks in December 2013. I'm from California, but I recently moved to the Guam/Marianas area where it is more humid and generally around 87 degrees F all day. For the past month my computer has worked fine, albeit I did notice the fan was running a little more than usual. I usually would just put it into sleep mode when I would finish using it (apparently a bad idea based off of reading other posts concerning humidity and, more importantly, heat). One day I finished using it, closed it and the next day went to open it; I could hear the fans start to work, but then it stopped. It hasn't turned on since. You press the power button and nothing happens. I tried all the troubleshooting stuff.
So, my question is this: what do you think is the problem? Moreover, how much do you think it could cost to repair it? My experience with computers suggests to me that it's probably a dead motherboard. I'm wondering if it's worth trying to salvage this thing or if it would be prohibitively expensive. There are no Apple stores in the area to take it in to get advice unfortunately.
Now, I just want to vent a little frustration. I have many apple products, and I've even switched my mother over to an apple computer, but now that I need some very basic support, apple doesn't provide a contact e-mail or a free chat? I think charging someone $19 for 'one time assistance' is ludicrous. I bet if I brought this into an apple store I could at least get some advice, and thus get some idea how I want to proceed with repairs or not. I suppose I'm also rather frustrated that my macbook, which I have been most happy with all these years, breaks because I go somewhere a little more humid and generally warmer? It would appear that the hardware failure is connected to the climate. This makes me skeptical about purchasing another mac if it can't handle a little humidity. (I have not spilled liquids on it, nor have used this computer while transitioning from an air-conditioned/humid location which could potentially cause condensation). I do not think I'm being unreasonable (yes I do think a $2500 computer should not fail after less than 5 years), but if you think I am unreasonable, please enlighten me.
Thanks for any help. I really appreciate it.
Ken

Ken,
the “Important Handling Information” in the little white manual that came in the box with your MacBook Pro states that its operating temperature range is from 50 °F to 95 °F (10 °C to 35 °C), and that its operating range of relative humidity is 5% to 90% (non-condensing). If your corner of the Pacific is outside of these ranges, the manual states that “Failure to follow these handling instructions could result in damage to your MacBook Pro”.
I have no idea what problem your MacBook Pro has; since you’ve tried all of the troubleshooting stuff, you’ll need to somehow get your MacBook Pro to a qualified service facility to diagnose the problem. If the logic board does need to be replaced, it would probably cost hundreds of dollars for a replacement, and you might find that purchasing a replacement used MacBook Pro of the same model to be price-competitive with just replacing your MacBook Pro’s logic board.
If you find Apple’s out-of-warranty policies unacceptable, then your only alternative to venting would be to purchase your next computer from a different company which has out-of-warranty policies more to your taste.

I spill all my coffee on my new MacBook Air, its not working anymore, what should i do ? I have to buy a new one coz its pricy to fix it.

I spill all my coffee on my new MacBook Air, its not working anymore, what should i do ? I have to buy a new one coz its pricy to fix it.

Liquid spills, why your MacBook chassis is a one-way valve for spills
After a substantial spill many people will turn their notebook upside down and shake it, not only does this not work, but it spreads liquid havoc throughout your machine and makes things often as bad as possible.
The keyboard itself acts like a one way valve in the case of a substantial liquid spill. While liquid pours into the bottom chassis easy, it does not come out easily at all, and in the case of any spill, most of it will not come out by turning it upside down. Disconnect all power and contact Apple for diagnostics and repair.
Do not attempt to, after a spill, ‘dry out your MacBook’ and test it
After a spill most people invariably try to “dry out” their notebook by various methods, including hair dryers and otherwise. This both does not work, and after a substantial spill of any magnitude, even if the liquid was water, residue is left behind.
There are additionally many very tight places inside your notebook where liquids will linger for a very long time, and cause corrosion or worse.
Immediately unplug your notebook and contact Apple for in shop diagnostics and parts replacement.
In the case of very minor spills people will “dry out” their notebook and feel success that their notebook is working ok, however invariably in nearly all instances after 4-14 days an error / fault pops up and is usually followed by more.
In case of a spill, damage estimates are impossible,.....anything can be fixed, without question.......the question is cost.
contact Apple for in shop diagnostics and cost estimation ....possible parts replacement.

MacBook Air won't turn on - it only hoots !

My MacBook Air (2009/2010) will not turn on: when I press the power button there's a tinny little hooting sound every 5 seconds, exactly in sync with the flashing power light - that's all - no sound of fans or anything, nothing to see on the black screen. Any ideas ? Thank you !
FC234B/A RFB MACBOOK AIR 13.3 /2.13GHZ/2GB/12-GBR
bought refurbished from Apple June 2010
I have tried the following Apple Support advice :
If your MacBook Air doesn’t turn on or start up
Try the following suggestions in order until your computer turns on:
Make sure the power adapter is plugged into the computer and into a functioning
power outlet. Be sure to use the 45W MagSafe Power Adapter that came with your
MacBook Air. If the power adapter stops charging and you don’t see the indicator
light on the power adapter turn on when you plug in the power cord, try unplugging
and replugging the power cord to reseat it.
Check whether the battery needs to be recharged. If the light on the power adapter
glows amber, the battery is charging. See “Running Your MacBook Air on Battery
Power” on page 34.
If the problem persists, return the computer to its factory settings by pressing the left
Shift key, left Option (alt) key, left Control key, and the power (®) button
simultaneously for five seconds.
Press and release the power (®) button and immediately hold down the Command
(x), Option, P, and R keys simultaneously until you hear the startup sound a second
time. This resets the parameter RAM (PRAM).
Resetting the System Management Controller (SMC)
on Portable computers that have a battery you should not remove on your own include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009).
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

thank you - it's just one tone, which lasts half a second (every five seconds) - and with exactly the same timing, a single pulsing flash of the white power light comes on and goes off..

My macbook air won't turn on.. last night it was still working properly... when i woke up this morning, i went to turn it on but it didn't respond..i tried plugging the charger and the lightning cord showed a green light which is normal when charging..

my macbook air won't turn on.. last night it was still working properly... when i woke up this morning, i went to turn it on but it didn't respond..i tried plugging the charger and the lightning cord showed a green light which is normal when charging..i tried to open the macbook air again but nothing happened.. no fans, no chimes, no light in the laptop showed..what should i do? please help..thank you

Welcome to Apple Support Communities
A green light means that your battery is full or that it can't be detected. If you can't start up the Mac, probably your logic board or battery aren't working.
Take the MacBook to an Apple Store or reseller to get your battery or logic board replaced. If the MacBook is in warranty, this repair will be free

Macbook Air is not turning on or repairing?

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