Macbook Air starts with a white screen and permanent "poing"-sound...

Macbook Air starts with a white screen and permanent "poing"-sound...
Tried SMU, PRAM, MMU resets, but nothing helps...
Thank you for your support.

You need to take it in for service, it may be a stuck key or component failure.

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My Macbook Air 2011 got a white screen and a folder with a question mark. I tried to press option+r and try to install the OS X Lion but it didn't show the disk Macintosh Hd

My Macbook Air 2011 got a white screen and a folder with a question mark. I tried to press option+r and try to install the OS X Lion but it didn't show the disk Macintosh Hd

You are using Snow Leopard so you have no OPTION+R shortcut. You need to boot the computer from your Snow Leopard DVD or USB flash drive.
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

Why won't my MacBook Pro start up? White screen and flashing question mark.

Hi,
I've had my MacBook Pro for almost 2 years now and I installed OS X 10.8 about 4 months ago.
Today I turned the MacBook Pro on and a white screen with a flashing question mark appeared. I tried then getting the startup manager up: turning on the laptop and immediately holding in alt (option). But nothing appeared for about 25 seconds until a rotating Earth labelled 'Internet recovery' appeared that gave me options to join wireless connections. However, my internet wasn't in the options and when I tried typing in the information required to join my internet the laptop would just load and never find it.
I then tried putting in my Mac OS X install DVD (10.6.7) and help in C until the apple logo appeared on the screen and the little rotating loading circle appeared. That then disappeared and a cicle with a cross through it appeared (similar to a no entry sign). Then after about 30 seconds a blue screen followed by a grey screen appeared until eventually the disc ran properly. I then went into Disk Utility but there was no option called Macintosh HD, only the discs content. It wouldn't let me first aid, erase or repair anything.
I'm totally stumped and have 4 exams at university within the next 2 weeks. I'd really appreciate it if anyone could help me out here?
Thanks,
Best wishes,
Connor

The support article linked below is somewhat outdated. Where it refers to starting up from an installation disc, you should instead start up in Recovery by holding down the key combination command-R at the chime. Release the keys when you see a gray screen with a spinning dial.
If you don't have a current backup of all the data on the startup volume, and you want to preserve that data, then you must try to back up before you do anything else. Ask for instructions if you need them.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to reinstall OS X from Recovery, if necessary. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
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My MacBook Pro starts with a Gray Screen and Apple Logo, a bar comes at the bottom, but after few seconds the machine shuts down. This was bought approx 1 year back. Please help!!

jayanta.ray,
which model MacBook Pro do you have (did you buy it new?), and which version of OS X is installed on it?

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Remove the battery for at least 5 minutes and then replace and see if that makes any difference. Also try removing the memory card.
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*#7780# - Restore factory settings - resets all the settings to the default
*#7370# - Reformat your phone
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Then try the "3 finger deep reset". With the phone powered off, depress and hold these three keys simultaneously "*" "3" "green phone" and then power on phone using the on/off button whilst keeping the three keys depressed until you hear start-up tone.
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Restarted my MacBook Air, just have a white screen with apple . Will not start

What version MacBook Air do you have? Usually identified by the year you bought it, i.e. mid-year 2012, 2011, etc. Also, what OSX are you running? (please provide OSX ver number, i.e. 10.8.2 for latest Mountain Lion, etc.)
Not sure I can help you directly but for others to lend a hand, they'll need to know this information to make a sound suggestion. I see you're new to posting here so this will help you in the future.
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Hello Kierasully,
I would start your troubleshooting with the article below for issues of not being able to log in to your Mac. Start with booting up in to Safe Boot as well as resetting PRAM on your Mac. If that does not work, then verify the hard drive with booting to the Recover HD and go to Disk Utility to verify it.
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http://support.apple.com/en-us/ts2570
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So I tried formating and re-installing 10.4.10. I am able to complete the installation of first DVD without flickering. But when after the restart after installation using first DVD then the flickering resumes.
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Message was edited by: esg123

Same symptoms here. We tried AHT on a good Mac Pro with the video card from the bad mac, and got the 4 SNS/1/40000001:ICAC error. Looks like a bad video card.
Here's another thread discussing the problem: http://discussions.info.apple.com/thread.jspa?threadID=2071334
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EmmaAastrand wrote:
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It cost a lot of money huh?
it really depends on what exactly the problem is. take is to an Apple Store or AASP and have them look at it
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Hi jkjuarez2012,
Thank you for visiting Apple Support Communities.
It sounds like your iPod nano is only showing the Apple logo with a white background, and you've tried many good steps including resetting and restoring the device. I know I'd miss my music in this situation.
Make sure that you followed the steps in this article when restoring your iPod:
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If the issue continues after restoring, your iPod nano may need to be serviced. You can use this link to find out more about iPod service:
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Jeremy

Macbook Air starts with a white screen and permanent "poing"-sound...

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