MacBook keeps rebooting, grey screen and unable to get a log in screen

Have no idea what has happened! Looking through mail yesterday, nothing else. When I went to log in last night it started rebooting and then shut itself off. Every time I try to turn it back it on it has grey screen, apple icon and begins to reboot itself and then simply turns itself off again. Cannot even get to log in screen. Any advice on how to get my log in screen back and stop this process?

Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/TS2570

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My MacBook has a grey screen with a folder and a question mark in the middle what does this mean?

My MacBook has a grey screen with a folder and a question mark in the middle what does this mean?

It means a valid system cannot be found. You need to reinstall OS X.
If you have Snow Leopard:
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.
If you have Lion or later:
Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. 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 then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.

Attempted to reboot - but refuses to boot up all the way. It keeps rebooting itself over and over. I've also tried to restore it to no avail. Help!

Attempted to reboot - but refuses to boot up all the way. It keeps rebooting itself over and over. I've also tried to restore it to no avail. Help!

Try restoring the iPhone from recovery mode.
If that doesn't do it, the iPhone will beed to be sent back to Apple for repair, head on over to the Service Answer Center for the iPhone.

HT201269 e-mail account section greyed out and unable to access

E-mail account greyed out and unable to access or open?

Check Settings > General > Restrictions and make sure you have Accounts set to allow changes.
Also, if that doesn't work, close out the Settings App and the Mail App, then reset the device. Hold down both the Home and Sleep/Wake Buttons for about 10-15 seconds until the Apple logo appears.

I get a blue screen whenever I unlock it and I have to keep turning it off and on to get the slide to unlock to appear

Have iPod touch and I get a blue screen whenever I unlock it & I have to keep turning it off and on to get the slide to unlock to appear.

Reset the Device:
Hold the power button and the home button down until the device shuts off, then power it back on and see if the problem is resolved.
That won't remove any data. I hope that works.
~Lt. Leviathan

HT4061 I am receiving an Activation Error and unable to get into my phone.It's asking me to register my phone in the iPhone Developer program however I'm already registered. How do I move forward?

I am receiving an Activation Error and unable to get into my phone.It's asking me to register my phone in the iPhone Developer program however I'm already registered. How do I move forward?

Hi, jsgladden.
Here is an article I would recommend when experiencing issues activating a device. The step referring to recovery mode usually resolves the issue.
iPhone: Troubleshooting activation issues
http://support.apple.com/kb/TS3424
To retrieve your data, you will need to restore from backup after processing these steps. Here is the article that walks you through restoring from either your iCloud or iTunes backup.
iOS: How to back up and restore your content
http://support.apple.com/kb/HT1766
Cheers,
Jason H.

TS3988 The correct information in the email address, Full name and Incoming mail server panes are greyed out, and I can get no further in bring my iCloud a/c online. Any ideas? Thanks.

I've just updated and installed Mountain Lion. I've clicked for iCloud for Mail. The correct information in the email address, Full name and Incoming mail server panes are greyed out, and I can get no further in bring my iCloud a/c online. Any ideas? Thanks.

They are grayed out because they are automatically set up whey you check Mail in System Preferences. If you didn't do that, go back and do so and your iCloud email account will be set up automatically.

I have a Macbook Pro, 10.8.2 and can not get it to mirror websites on my Apple TV. What am i doing wrong?

I have a Macbook Pro, 10.8.2 and can not get it to mirror websites on my Apple TV. What am i doing wrong?

Is your MacBook Pro early 2011 or newer. If not that is whay you cannot mirror and a third party app called airparrot would help.
Jules

I just received my macbook from the apple store and can't get the track pad to swipe at all it will scroll up and down but no other features work!! all works on the magic mouse though

i just received my macbook from the apple store and can't get the track pad to swipe at all it will scroll up and down but no other features work!! all works on the magic mouse though!!
any help would be greatly appreciated

>Preference>Trackpad.

HT4061 i'm locked out my iphone and unable to get in?

i'm locked out my iphone and unable to get in? my phone says phone disabled go to itunes.

iOS: Unable to update or restore - Support - Apple

MacBook Pro is running slow and All applications getting not responding..

MacBook Pro is running slow and All applications getting not responding after every 30 seconds. I have tested by hardware test nothing wrong with hardware. I am worried Because I am totally stuck with my macbook pro Help me Please !!! I have tested by creating guest account and also new account as administrator. same thing happened. apps running. I opened activity monitor and watched carefully when any app stucked, In activity monitor there is in front of ap name following text appeared : (Not Responding) in red color. 129GB free memory, 4 GB RAM Core i3 MacBook Pro 13 inch.
Instant help needed..
Thanks in ADVANCE !!!

First, back up all data immediately, as your boot drive might be failing.
There are a few other possible causes of generalized slow performance that you can rule out easily.
Reset the System Management Controller.
If you have many image or video files on the Desktop with preview icons, move them to another folder.
If applicable, uncheck all boxes in the iCloud preference pane.
Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.
Check your keychains in Keychain Access for excessively duplicated items.
Boot into Recovery mode, launch Disk Utility, and run Repair Disk.
If you're booting from an aftermarket SSD, see whether there's a firmware update for it.
Otherwise, take the steps below when you notice the problem.
Step 1
Launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.
Select the CPU tab of the Activity Monitor window.
Select All Processes from the menu in the toolbar, if not already selected.
Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)
Step 2
If you have more than one user account, you must be logged in as an administrator to carry out this step.
Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

Unable to restore from DVD set - ThinkPad keeps rebooting to Rescue and Recovery screen

Hello:
Lenovo x140e laptop / 2.05 BIOS:
(image link removed)
I have used Lenovo Rescue / Recovery to make a full disk image backup to DVDs for installation of SSD drive.
Attempting to boot from Rescue / Recovery DVD appears to load Windows files, start Windows then goes to this Lenovo R&R screen:
https://www.dropbox.com/s/f4h423vbk1rpfm0/2014-09-18%2008.53.21.jpg?dl=0
No menus show up asking to restore anything, in about 5 seconds it shuts down and reboots again over and over.
I did have BIOS 2.01 and upgraded it using Lenovo BIOS boot DVD upgrader, now is 2.05 and same result.
Factory reset would be OK, but tI paid extra for Windows 7 pro "downgrade" (ironic, no?) that I would like to keep. System restore disks that came with theunit are for Windows 8.1 .
Help?
Here is complete laptop box label:
(image link removed)
New SSD passes diagnostic tests:
https://www.dropbox.com/s/y62oud7l4miclrd/2014-09-18%2008.51.09.jpg?dl=0
Moderator comment: Links to images showing serial number(s) removed to protect member from mischief.

megan1813 wrote:
Upon starting normally, a very scary black screen with code and the grey error message box with multiple asian languages appeared, asking me to restart again.
FYI that error is known as a "kernel panic", typically software related but potentially hardware related.
I recommend starting with a clean install (erase the hardware, and reinstall Mac OS X). Do not transfer/migrate any data yet. After you have created a new user account, test the computer to ensure the hardware seems responsive. If computer performance is positive, use Migration Assistant to began migrating your backups to your computer.

Macbook Air - White/Grey Screen with a folder and a question mark

Out of the blue , my macbook air stopped starting up and strted to show me a white/grey screen with nothing but a folder and a question mark . After searching on the internet for solutions and trying to reset my PRAM setting , it still wouldn't boot up . I opened up disk utility and going through internet recovery , I ran the first aid verification on my MAC OS X Base System and it said that it found no problems . I can't restore or erase by the way and i really wouldn't erase my files as I have very important files on my mac . Moving on , I tried to reinstall OS X , but apperently it needs a disk to install OS x on and since none appear , I tried using an USB . After creating a partition and erasing everything on my USB , not happy about that , it wasn't big enough for the OS . So now I am basically stuck in the mac white screen Limbo .
Any sort of help would be fantastic and please do keep in mind that this is a macbook air and I do not have a place to put DVDs into . All I have read on different forum pages didn't help so i decided that it would be a good idea to create my very own thread . I am not very sure about the Mountain Lion version ,but I am not very sure that it matters .

Out of the blue , my macbook air stopped starting up and strted to show me a white/grey screen with nothing but a folder and a question mark . After searching on the internet for solutions and trying to reset my PRAM setting , it still wouldn't boot up . I opened up disk utility and going through internet recovery , I ran the first aid verification on my MAC OS X Base System and it said that it found no problems . I can't restore or erase by the way and i really wouldn't erase my files as I have very important files on my mac . Moving on , I tried to reinstall OS X , but apperently it needs a disk to install OS x on and since none appear , I tried using an USB . After creating a partition and erasing everything on my USB , not happy about that , it wasn't big enough for the OS . So now I am basically stuck in the mac white screen Limbo .
Any sort of help would be fantastic and please do keep in mind that this is a macbook air and I do not have a place to put DVDs into . All I have read on different forum pages didn't help so i decided that it would be a good idea to create my very own thread . I am not very sure about the Mountain Lion version ,but I am not very sure that it matters .

Macbook stuck on grey screen during software update reboot

After I run my software updates, it tells me that I need to reboot to install them. However, it gets stuck on a grey "Software Update" screen. It will not allow me to force quit. I've even left the computer on overnight, still there. I have to do a hard shut down. Also, when I do boot it up and continue normal activity and attempt to do a normal shut down it takes me back to that grey Software Update screen. Even if I didn't try and run it for the day. Each time, hard shut down.
I took it to Geek Squad 2 weeks ago for this issue and a kernel error. They shipped it to Apple repair. They fixed the kernel error, but I cannot get this to update or remove the grey screen. I dread having to take it back in...but my warranty will expire next month. Any ideas? I am not getting the continuos spinning circle at that page or the Apple logo that I've read about.
Thanks!

Check out KB Article: Mac OS X: Gray screen appears during startup

10.6.8 update: Macbook only shows grey screen

I've downloaded and installed 10.6.8. After rebooting I only get the grey screen with the spinning wheel and the progress bar. After the progress bar has filled to about 10%, the progress bar jumps back to zero, fills again to about 10% and then Macbook shuts down. I've run this cycle now about 10 times. I've tried to boot to verbose mode, safe mode & single user, the result is the same. I deleted the PRAM (at least I pressed the ALT, CMD, P & R keys while pressing power and kept them pressed, is there any confirmation from the MB that PRAM is actually erased?), result is still the same. I tried to boot from a 10.6 install disc, the disc started spinning and clicks from the drive could be heard, however, the computer did not boot. Any idea or suggestions?
Thanks

marcusfrombochum wrote:
The MB is trying an fsck and gets an IO error on disk0s2 checking the catalog file and the root file system. fsck fails subsequently with signal 8
That's not a good sign. You may be able to recover the disk with DiskWarrior (~US$100). Until you can repair that disk corruption, you can't reinstall OS X on that disk.
Depending on the nature of the clicks you described in your first post, that disk may be damaged. fI you can manage to boot from an install disk, you could run Disk Utility and check the disk's S.M.A.R.T. status, which could tell you something about whether the disk has failed.

MacBook keeps rebooting, grey screen and unable to get a log in screen

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