10.7.4 "boken folder" icon with kernel panic when computer starts

Using iMovie and got a (-50) error and ran Disk Utilities to see if everything was okay. Unfortunatly it wasn't and recomended that I hold down the command and r key while doing a restart. When I do this, the Apple logo comes up, but then switches to an icon of a circle with a diagonal line through it and then I get a kernel panic shortly after. Any ideas how my App Store purchesed lion can run disk utilities in protected mode?

Your hard drive has probably failed. What backups do you have?

Similar Messages

Help ! Flashing folder icon with question mark when starting up

Hi, I have tried to restore my macbook pro 15 (2012 model with Yosemite OS X) to factory settings and wipe out the hard drive but on restarting it I now just get a blank screen with a flashing folder icon with a question mark on it. Any help/advice anyone I would be very grateful for ! Thanks, Mark

Something didn't install properly.
Try these in order testing your system after each to see if it's back to normal:
1. a. Resetting your Mac's PRAM and NVRAM
    b. Intel-based Macs: Resetting the System Management Controller (SMC)
2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
     Boot to the Recovery HD: Restart the computer and after the chime press and hold down the
     COMMAND and R keys until the Utilities 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.
3. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the Utilities menu. Repair the Hard Drive and Permissions as follows.
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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
4. Reinstall Yosemite: Reboot from the Recovery HD. Select Reinstall OS X from the Utilities menu, and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.
5. Reinstall Yosemite from Scratch:
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
How to Clean Install OS X Yosemite
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

Experiencing Kernel Panic when computer sleeps???

I have a late 2013 MBP... I recently updated my OS to 10.9.2 Immediately after updating my computer began experiencing kernel panics when it would sleep for various amounts of time (couldn't recognize a real pattern). After a few days the problem seemed to happen more frequently and eventually happened everytime the computer went to sleep. I contacted Apple Support and they have deduced that it is a hardware issue (doesn't make sense to me since it only started happening after a software update?). I did install an aftermarket SSD, so I thought perhaps that was the problem, so I installed a new one... to no avail, still experiencing the same problem. I've come up with a temporary solution... I simply have my computers settings adjusted so that my computer does not sleep. This obviously has not solved my problem, but is a temporary fix. Anybody have any ideas as to what is going on???? Thanks in advance!

The version of virtual box I have on my system may not be the most absolute current up to date, but it is certainly the mac os version. Besides, virtual box wasn't running. It's just a freebie alternative to Parallels allowing me to run windows. But again, unless I'm doing something in windows, virtual box isn't even fired up. It wasn't last night when I put the system to sleep.
How do I find the hardware test that came with my system? Is it on the install dvd? What's it called?
THANKS!!

Problems with kernel panics when sleeping since 10.6.8

Hi folks,
I installed 10.6.8 the day it was issued, and since then have had some very odd problems with sleeping my Mac Pro. Intermittently, it goes into a half-sleep state when I request sleep mode; the fans still spin, but the sleep light pulses. It refuses to wake up, requiring a hard reset. The console logs show:
Sleep: Drivers Failure Panic
The specific panic is:
panic(cpu X caller 0xffffff80002251fb): "TLB invalidation IPI timeout: " "CPU(s) failed to respond to interrupts, unresponsive CPU bitmap: 0x101, NMIPI acks: orig: 0x0, now: 0x0"@/SourceCache/xnu/xnu-1504.15.3/osfmk/x86_64/pmap.c:2741
where cpu X varies between any one of the 6 cores.
So far, I've tried
Resetting the PRAM and SMC
Disabling a raft of sleep related options (Wake on Bluetooth, etc)
Reinstalling the 10.6.8 update via the Combo updater
Repairing disk permissions
Reinstalling from the factory DVD and re-running the combo updater
And no doubt other things I've forgotten. The only thing that seems to fix it is to not install 10.6.8; when I reinstalled 10.6.4 (the factory OS), it slept and woke fine 10 times. As soon as the combo update was installed, it started sleep crashing again after 4-5 attempts.
I'm assuming this is some rogue driver bug introduced in the .8 release, but I've not seen anyone else suffering the problem. I would roll back onto .7, but will obviously need .8 to install Lion when it arrives.
Does anyone have any suggestions that I've missed, or has anyone else seen this problem?
Thanks,
adamw

Woops, sorry - typo. I meant 5870 (Apple provided). As far as I know, I'm not running any 3rd party drivers. The only non-Apple kernel extensions loaded are Parallels, which I've unloaded (and the problem persisted).
I should also mention, the Apple Hardware Test passes the machine.
I'll check out those two forums and see if I can find anything. Thanks for the advice!
Edit: The whole panic log is...
Sat Jun 25 22:30:09 2011
panic(cpu 2 caller 0xffffff80002251fb): "TLB invalidation IPI timeout: " "CPU(s) failed to respond to interrupts, unresponsive CPU bitmap: 0x101, NMIPI acks: orig: 0x0, now: 0x0"@/SourceCache/xnu/xnu-1504.15.3/osfmk/x86_64/pmap.c:2741
Backtrace (CPU 2), Frame : Return Address
0xffffff80db0db8a0 : 0xffffff8000204d15
0xffffff80db0db9a0 : 0xffffff80002251fb
0xffffff80db0dba10 : 0xffffff800022691f
0xffffff80db0dba90 : 0xffffff800021b545
0xffffff80db0dbb00 : 0xffffff80002184b1
0xffffff80db0dbc00 : 0xffffff80002188b3
0xffffff80db0dbc30 : 0xffffff80002a6813
0xffffff80db0dbd40 : 0xffffff800027522f
0xffffff80db0dbe10 : 0xffffff8000292b1b
0xffffff80db0dbe50 : 0xffffff8000205536
0xffffff80db0dbe80 : 0xffffff80002029eb
0xffffff80db0dbef0 : 0xffffff8000274176
0xffffff80db0dbf60 : 0xffffff80002c3095
0xffffff80db0dbfa0 : 0xffffff80002e4894
BSD process name corresponding to current thread: SystemUIServer
Mac OS version:
10K540
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64
System model name: MacPro5,1 (Mac-F221BEC8)
System uptime in nanoseconds: 67602566330
unloaded kexts:
(none)
loaded kexts:
com.parallels.kext.prl_vnic          6.0 12090.660720 - last loaded 6124490875
com.parallels.kext.prl_netbridge          6.0 12090.660720
com.parallels.kext.prl_usb_connect          6.0 12090.660720
com.parallels.kext.prl_hid_hook          6.0 12090.660720
com.parallels.kext.prl_hypervisor          6.0 12090.660720
com.apple.filesystems.autofs          2.1.0
com.apple.driver.AppleBluetoothMultitouch          54.3
com.apple.driver.AppleHWSensor          1.9.3d0
com.apple.driver.AppleMikeyHIDDriver          1.2.0
com.apple.driver.AppleUpstreamUserClient          3.5.7
com.apple.driver.AppleMCCSControl          1.0.20
com.apple.driver.AppleHDA          2.0.5f13
com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.driver.AppleMikeyDriver          2.0.5f13
com.apple.driver.AGPM          100.12.31
com.apple.driver.AudioAUUC          1.57
com.apple.kext.ATIFramebuffer          6.3.6
com.apple.driver.AppleUSBDisplays          289
com.apple.filesystems.msdosfs          1.6.3
com.apple.filesystems.ntfs          3.4
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.1.6
com.apple.driver.AppleIntelPenrynProfile          9999
com.apple.driver.AppleIntelNehalemProfile          76
com.apple.driver.AppleIntelMeromProfile          76
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0a1
com.apple.driver.AppleLPC          1.5.1
com.apple.ATIRadeonX3000          6.3.6
com.apple.iokit.IOAHCIBlockStorage          1.6.4
com.apple.iokit.SCSITaskUserClient          2.6.8
com.apple.BootCache          31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.driver.AppleFWOHCI          4.7.3
com.apple.driver.AirPortBrcm43xx          423.91.27
com.apple.driver.AirPortBrcm43224          428.42.4
com.apple.driver.AppleUSBHub          4.2.4
com.apple.driver.Intel82574L          2.1.8b1
com.apple.driver.AppleIntel8254XEthernet          2.1.3b1
com.apple.driver.AppleAHCIPort          2.1.7
com.apple.driver.AppleEFINVRAM          1.4.0
com.apple.driver.AppleUSBEHCI          4.2.4
com.apple.driver.AppleUSBUHCI          4.2.0
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          2.1.12
com.apple.iokit.CHUDUtils          364
com.apple.iokit.CHUDProf          366
com.apple.driver.AppleIntelCPUPowerManagement          142.6.0
com.apple.driver.IOBluetoothHIDDriver          2.4.5f3
com.apple.driver.AppleMultitouchDriver          207.11
com.apple.driver.AppleHDAHardwareConfigDriver          2.0.5f13
com.apple.driver.DspFuncLib          2.0.5f13
com.apple.driver.AppleProfileReadCounterAction          76
com.apple.driver.AppleProfileTimestampAction          76
com.apple.driver.AppleProfileThreadInfoAction          76
com.apple.driver.AppleUSBHIDKeyboard          141.5
com.apple.driver.AppleHIDKeyboard          141.5
com.apple.driver.AppleProfileRegisterStateAction          76
com.apple.driver.AppleProfileKEventAction          76
com.apple.driver.AppleProfileCallstackAction          76
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.driver.AppleUSBAudio          2.7.6f6
com.apple.iokit.IOSurface          74.2
com.apple.iokit.IOBluetoothSerialManager          2.4.5f3
com.apple.iokit.IOSerialFamily          10.0.3
com.apple.iokit.IOAudioFamily          1.8.3fc2
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.0.5f13
com.apple.iokit.IOHDAFamily          2.0.5f13
com.apple.iokit.AppleProfileFamily          76
com.apple.driver.AppleSMC          3.1.0d5
com.apple.driver.IOPlatformPluginFamily          4.7.0a1
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.iokit.IONDRVSupport          2.2
com.apple.kext.ATI5000Controller          6.3.6
com.apple.kext.ATISupport          6.3.6
com.apple.iokit.IOGraphicsFamily          2.2
com.apple.iokit.IOFireWireIP          2.0.3
com.apple.driver.BroadcomUSBBluetoothHCIController          2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController          2.4.5f3
com.apple.iokit.IOBluetoothFamily          2.4.5f3
com.apple.iokit.IOUSBHIDDriver          4.2.0
com.apple.driver.XsanFilter          402.1
com.apple.driver.AppleUSBMergeNub          4.2.4
com.apple.driver.AppleUSBComposite          3.9.0
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.AppleFileSystemDriver          2.0
com.apple.iokit.IOFireWireFamily          4.2.6
com.apple.iokit.IOAHCISerialATAPI          1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily          2.6.8
com.apple.iokit.IO80211Family          320.1
com.apple.iokit.IOUSBUserClient          4.2.4
com.apple.iokit.IONetworkingFamily          1.10
com.apple.iokit.IOAHCIFamily          2.0.6
com.apple.iokit.IOUSBFamily          4.2.4
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.iokit.CHUDKernLib          365
com.apple.driver.DiskImages          289
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
It varies slightly (sometimes some extensions are unloaded, sometimes not). The BSD process name changes almost every time; anything from Window Server to Mail.

IPod shows a folder icon with exclamation point after discon

Since I always ignore instruction booklets with new devices, I failed to notice the warnings with regard to configuring my iPod mini on a Windows PC. I did not install the included software first and I tried to sync with iTunes (my girlfriend already has an iPod mini so iTunes was already installed). As a result I ended up with folder exclamation point icon.
I tried the folowing already:
1) Reformatting the disk through windows explorer
2) Reset:
The folder icon with exclamtion point appears after reset
3) Running Updater 2004-04-28:
After plugging in the iPod at the prompt, the message "iPod updater can;t install firmware on connected iPod. The iPods hardware and the updater firmware are not compatible." I got the same message when doing the same thing in 'disk mode'.
4) Running the software on the disc that came with it:
When prompted I connected the iPod to the PC. I get a message "Your iPod has been connected. Please wait while the system recognises the device". And then nothing happens.
Please can anyone advise me how to fix this problem?

Ok guys!! I did it!! I fixed my iPod! I want to thanks Apple for the great help they gave me (I'm being sarcastic)!
I remember that I downloaded iTunes 4.9 and the iPod updater from 2 two weeks ago on my neighbor's computer.
As this problem (IPod shows a folder icon with exclamation point when I turn it on) only happened since I upgraded iTunes to 5.0 version and iPod updater, and after one and a half day calling Apple, reading the entire web site looking for an answer, discussing with a lot of people about this problem and nothing happened, I wanted to give the last try and went to may neighbor's computer!!
I turned on the iPod updater.
When it said i had to connect my iPod I did it
Then I pressed RESTORE
After that I plug it in the A/C adapter
It worked
I connected the iPod to the computer again
iTunes worked and my iPod is working as a new one!!

IPod shows a folder icon with exclamation point

IPod shows a folder icon with exclamation point when I turn it on, and says: "www.apple.com/support/ipod"
I can't restore the I Pod or reset it as they first told on the support web site, because it only appears that message...
I installed the latest version of the iPod updater and it didn't work also.
When I go to the iPod updater it gives me the "iPod service error" message.
What must I do!
I'm on a Windows XP.
Help me please!!

Ok guys!! I did it!! I fixed my iPod! I want to thanks Apple for the great help they gave me (I'm being sarcastic)!
I remember that I downloaded iTunes 4.9 and the iPod updater from 2 two weeks ago on my neighbor's computer.
As this problem (IPod shows a folder icon with exclamation point when I turn it on) only happened since I upgraded iTunes to 5.0 version and iPod updater, and after one and a half day calling Apple, reading the entire web site looking for an answer, discussing with a lot of people about this problem and nothing happened, I wanted to give the last try and went to may neighbor's computer!!
I turned on the iPod updater.
When it said i had to connect my iPod I did it
Then I pressed RESTORE
After that I plug it in the A/C adapter
It worked
I connected the iPod to the computer again
iTunes worked and my iPod is working as a new one!!

MBP Kernel Panic when connecting to HDTV (DVI)

I have a 15" MacBook Pro that has been working perfectly since I got it. I tried today to connect it to my Hitachi 51" HDTV (via DVI) and got an instant Kernel Panic. I used my 15" Powerbook with this HDTV without any issues.
I've searched and found folks with kernel panics when waking their MBP if the RAM is faulty, but nothing at all about issues when connecting an external display. I am running with all the latest updates, firmware update, etc.
I don't have any problems connecting to a 23" Cinema display or to a 19" Samsung LCD, but I tried several times to connect to the HDTV and got a kernel panic each time. I changed resolutions on one try and still got the same issue (720x480 so the TV would see it as 480p). I even tried booting up with the display already connected and it kernel panic'd when it tried to switch into the full OS X GUI.
The specific error is in the panic.log is:
Sat Jun 10 16:23:48 2006
panic(cpu 0 caller 0x0019CAEF): Unresolved kernel trap (CPU 0, Type 0=divide error), registers:
CR0: 0x80010033, CR2: 0x35863000, CR3: 0x00d6e000, CR4: 0x000006e0
EAX: 0x00000001, EBX: 0x00000000, ECX: 0x251a36fc, EDX: 0x00000000
ESP: 0x251a360c, EBP: 0x251a36d8, ESI: 0x00000000, EDI: 0x00000000
EFL: 0x00010247, EIP: 0x0078ca44, CS: 0x00000008, DS: 0x0a8c0010
Backtrace continues...
Kernel loadable modules in backtrace (with dependencies):
com.apple.kext.ATINDRV(4.2.6)@0x771000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.3)@0x574000
dependency: com.apple.iokit.IONDRVSupport(1.4.3)@0x58f000
com.apple.iokit.IONDRVSupport(1.4.3)@0x58f000
dependency: com.apple.iokit.IOPCIFamily(2.0)@0x565000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.3)@0x574000
So definitely something with the graphics subsystem. Anyone have any hints?
MacBook Pro 2GHz 2GB RAM ATI x1600 256MB Mac OS X (10.4.6)

What happens if you boot from the DVD that came with the MBP instead of booting from your hard drive? It could have something to do with your configuration.

My computer suddenly refuse to start. When I turn it on it gives the startup sound but the screen is grey and after a while a little folder icon with a question mark inside turns up. It doesn't blink. What to do? Nothing happens if I try to start up from

As I say my computer, a mac mini refuse to start. When I turn it on it gives the startup sound and the screen turns grey and stay that way for a long time. And in the end a small folder icon with a question mark inside (it doesn't blink) turns up in the middle of the screen.
I have tried to start up from the installation CD holding down the C key on the keyboard. Same result. I have tried different key combinations while starting up. No result or rather same result. Nothing. Is the computer suddenly dead?
I was about to buy a new computer but I need access to my data on this one (I write this on an iPad) but hven't yet found a way.
Anybody have any good advice?
I thought it was a software problem, that the computer couldn't find the startup software or something and maybe it is, but I am beginning to fear that it could be a hardware problem.

You need to re install OSX. If you have the dmg file downloaded via torrentz this is how you can create a bootable external HD or Flash drive (8 GB+)
https://discussions.apple.com/message/23957654#23957654
Peace
Harry

Hi . i have Intel based iMac. i erased whole hard disk. now it flashes folder icon with question mark... i have no internet or orginal dvd.... i want to clean install any mac osx..friend got mac book pro and osx in dmg format . what are my options?

hi . i have Intel based iMac. i erased whole hard disk. now it flashes folder icon with question mark... i have no internet or orginal dvd.... i want to clean install any mac osx..friend got mac book pro and osx in dmg format . what are my options?

On your friend's computer with an internet connection, log into the Mac App Store with your ID and download Yosemite from the Purchases section of the Mac App Store. The make a bootable USB install media using
http://liondiskmaker.com/
Then boot from that on your computer and install
You need an internet connection to install via Recovery mode

Folder icon with an exclamation point

My ipod told me I had a corrupt disk so I restored it. I then tried to sync it with my itunes library but after a while it said "The iPod (my name) cannot be synced. The required file (or disk) cannot be found." And then it says the sync is finished. When I look at my iPod, only a few of my songs appear as opposed to the number that it got to when syncing. I then tried restoring it again but the computer now freezes and doesn't find the ipod and only unfreezes when the ipod is unplugged. Occasionally itunes comes up with a message about my ipod being corrupt and needs to be restored even when the ipod isn't plugged in. Now the folder icon with an exclamation point has come up on my screen, and it will not connect to the computer at all. I have tried putting it into disk mode but it still doesn't work. does this mean that I have no hope and I will have to buy a new one??

I have tried all of those. when i even tried to
restore factory settings, it said ipod manager
internal error. what is that? and one other thing i
noticed, the lock symbol that appears when you slide
the hold button appers at the bottom of the computer
screen when my ipod is attached, I guess suggesting
that it is locked, but when i toggle it on the ipod
itself it appears and disappers as indicated. this
is driving me nuts!
iPod Manager Internal Error deals with the software versions you have on your computer. One of them might be out of date. Make sure you have iTunes 6.0.4 (open iTunes, click on Help, click on About iTunes. The version is the top line of the gray text that scrolls up). Then make sure you have iPod Updater 2006-03-23.
If you need to update iTunes you can get it at
www.apple.com/itunes/download
If you need to update iPod Updater you can get it at
www.apple.com/ipod/download
If you find that your software is all up to date, try just restarting your computer, and then restoring again. (If you have your iPod in disk mode, you should disconnect it before you restart your computer).
If that doesn't work, just uninstall and reinstall iTunes. This should resolve the iPod Manager Internal Error.
As far as the lock icon goes... I'm not sure about that one. It might have something to do with having the iPod in disk mode, or it might just be acting weird because of what's going on with the iPod right now. As long as it isn't blocking you from trying the steps to fix the iPod, I wouldn't worry too much about it for now. Maybe it'll act normally once you resolve the !folder.
Best wishes,
CG

At start up I get a white screen then eventually a blinking folder icon with a question mark in the middle

Help! As of today, my iMac will not boot up. When I turn it on I get a blank white screen then, after about a minute, a blinking folder icon with a question mark in the middle.

Find your original install disk, insert it and re-boot holding the "C" key during startup. It will take longer but should boot. Then you need to select Disk Utilityfrom the Menu Bar. Do a Repair Disk on your hard drive. When it finishes re-boot normally.

On. Startup I get a flashing folder icon with a question mark

My computer won,t start. After about 30 seconds I get a blinking folder icon with a question mark. I have never seen this before.

There are four general causes of this issue:
1. The computer's PRAM no longer contains a valid startup disk setting when there aren't any problems with the disk itself. This can be checked for by pressing the Option key and seeing if the drive appears.
2. The internal drive's directory structure has become damaged. This requires usage of an alternate bootable system to perform the repair.
3. Critical system files have been deleted. This requires usage of an alternate bootable system to reinstall them.
4. The internal drive has died or become unplugged. This is the most likely case if the computer took a sharp impact or there are unusual sounds coming from its location.
(101798)

15" MacbWhite screen with a blinking file folder icon with a question mark on it.

15" Macbook. When i power on all I get is white screen with a blinking file folder icon with a question mark on it.N

You may have a bad hard drive. The flashing folder with the ? indicates that the system cannot find your hard drive. Use the installation disc that came with your machine. Insert it into the disc drive and restart the machine holding down the "C" key . When the restart shows the Apple screen you can release the C keyWhen the installation screen appears, click on the utilities button. Does the left side of the disc utilities screen show your HD? If not, then your HD is bad or it could be a loose connection. ifixit.com has a good tutorial on how to replace the HF in the Macbook. Follow the instructions to remove your HD. Reinstall your HD and boot up your machine to see if it recognizes your HD. If it does't, you probably will need to replace your HD>
Is your machine still under warranty? If so, take it to your nearest Apple Store for repairs as the repairs will be covered under your warranty. If you bought AppleCare when you bought your computer your warranty is for three years. If you didn't buy the Apple Care, then your warranty is only good for one year from the date of purchase.

Flashing folder icon with question mark in the middle of the folder

LLashing folder icon with a question mark in middle of folder on startup

Click here and follow the instructions.
(121672)

After I reset my Ipod nano the folder icon with excamation point show up.

My Ipod nano was freeze, so I reset it and after that, It shows the folder icon with excalmation point,why does that happened? how can i fixed_?

Check these out:
iPod Folder with Exclamation Point After Disconnected From Computer
iPod Folder with Exclamation Point After Turned On
Put iPod into Disk Mode Manually – Worked for Me!
Good Thread About iPod Sad icon/Folder with Exclamation Point
By the way, you might want to post in the iPod nano forums from now on, as you will most likely get more help in there in the future.
I hope this helps!

10.7.4 "boken folder" icon with kernel panic when computer starts

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