Macbook shuts down unexpectedly after an hour of use

I've had my MacBook since 2006, and I've had some minor problems now and then.
But since few days ago, my mac shuts down unexpectedly after I use it for about an hour.
at first I thought that maybe it's the fan, cause I've never cleaned the fan since the day I've bought it and my mac gets pretty hot after a while. but it used to work just fine when it got even hotter.
now I'm guessing maybe it's the battery? I've also never replaced the battery to a new one, cause I've almost always used power adapter instead of using battery alone. but I think I've heard it somewhere that the battery still dies even when you only use power adapter. is this true?
I usually just turn mac right back on when it shuts down, and it goes well for about 30 mins and then it shuts down again.
could anyone please be kind enough to tell me if it is the battery that's causing this such a frustrating problem? I don't know if this would help figure out the problem, but this is what battery info says,
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 3674
Remaining Capacity (mAh): 3648
Amperage (mA): 0
Voltage (mV): 12443
Cycle Count: 105

Thank you so much for answering! I've actually read your answer to other similar forum, and have just installed iStatPro. it says that my fan is "exhaust" and at 0rpm. do i HAVE to replace the fan to a new one? can I just open up my mac and clean out the fan? if so, would you recommend this instead of buying a new fan? one last thing, if I buy a new fan, is it easy for me to replace it by myself? again, thank you so much for your answer.

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Wed Oct 8 22:48:45 2014
panic(cpu 2 caller 0xffffff80022dc43e): Kernel trap at 0xffffff80022a3699, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000010029, CR3: 0x0000000076a44078, CR4: 0x00000000001606e0
RAX: 0x0000000000000001, RBX: 0x0000000000010001, RCX: 0xffffff800f821280, RDX: 0x0000000000000421
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R8: 0x0000000000000000, R9: 0xffffff809b90bed0, R10: 0x88003e814545b0d1, R11: 0x0000000000000246
R12: 0xffffff80057d0940, R13: 0xffffff8004f6f000, R14: 0x0000000000009000, R15: 0xffffff800d566260
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0xffffff809b90ba30 : 0xffffff80022dc43e
0xffffff809b90bc00 : 0xffffff80022f3976
0xffffff809b90bc20 : 0xffffff80022a3699
0xffffff809b90bd50 : 0xffffff800227833e
0xffffff809b90bf20 : 0xffffff80022dc87c
0xffffff809b90bfb0 : 0xffffff80022f387b
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last loaded kext at 22733702725529: com.apple.iokit.SCSITaskUserClient    3.6.7 (addr 0xffffff7f84307000, size 36864)
last unloaded kext at 22838670077169: com.apple.driver.AppleUSBCDC    4.2.1b5 (addr 0xffffff7f842f9000, size 16384)
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com.symantec.kext.SymAPComm    12.2f2
com.symantec.kext.ips    3.5f2
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com.symantec.kext.internetSecurity    5.2f2
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com.apple.driver.AppleUSBCardReader    3.4.1
com.apple.driver.AppleTopCaseHIDEventDriver    10.21
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless    1.0.0d1
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com.apple.AppleFSCompression.AppleFSCompressionTypeZlib    1.0.0d1
com.apple.BootCache    35
com.apple.driver.AppleUSBHub    683.4.0
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Mon Nov 18 09:52:03 2013
panic(cpu 2 caller 0xffffff7f95353fac): "GPU Panic: [<None>] 3 3 7f 0 0 0 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff80b287c000 0x0a5480a2, D0, P2/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.12/src/Apple MuxControl/kext/GPUPanic.cpp:127
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0xffffff808fb73350 : 0xffffff7f93ae8d9e
0xffffff808fb73390 : 0xffffff7f93ae8dfc
0xffffff808fb73400 : 0xffffff7f93d6d5be
0xffffff808fb73530 : 0xffffff7f93b0cd41
0xffffff808fb73550 : 0xffffff7f93a2308d
0xffffff808fb73600 : 0xffffff7f93a20bae
0xffffff808fb73800 : 0xffffff7f93a21af6
0xffffff808fb738e0 : 0xffffff7f94989ba2
0xffffff808fb73920 : 0xffffff7f9499955f
0xffffff808fb73940 : 0xffffff7f949c751b
0xffffff808fb73980 : 0xffffff7f949c757b
0xffffff808fb739c0 : 0xffffff7f9499eff5
0xffffff808fb73a10 : 0xffffff7f9496ad3e
0xffffff808fb73aa0 : 0xffffff7f94966cc7
0xffffff808fb73ad0 : 0xffffff7f94964816
0xffffff808fb73b00 : 0xffffff80134cb873
0xffffff808fb73b90 : 0xffffff80134cd76f
0xffffff808fb73bf0 : 0xffffff80134cb28f
0xffffff808fb73d40 : 0xffffff80130b6008
0xffffff808fb73e50 : 0xffffff8013026bb1
0xffffff808fb73e80 : 0xffffff80130139b5
0xffffff808fb73ef0 : 0xffffff801301e003
0xffffff808fb73f70 : 0xffffff80130c921d
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Mac OS version:
13A603
Kernel version:
Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
Kernel slide:     0x0000000012e00000
Kernel text base: 0xffffff8013000000
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System uptime in nanoseconds: 8494886786812
last loaded kext at 281937752172: com.apple.filesystems.msdosfs 1.9 (addr 0xffffff7f95456000, size 65536)
last unloaded kext at 342903271204: com.apple.filesystems.msdosfs 1.9 (addr 0xffffff7f95456000, size 57344)
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com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AGPM 100.14.11
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleHDA 2.5.2fc2
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.driver.AppleMikeyDriver 2.5.2fc2
com.apple.iokit.IOBluetoothSerialManager 4.2.0f6
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleHWAccess 1
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.0f6
com.apple.driver.AppleSMCLMU 2.0.4d1
com.apple.driver.AppleUpstreamUserClient 3.5.13
com.apple.driver.AppleIntelHDGraphics 8.1.8
com.apple.driver.AppleLPC 1.7.0
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.GeForceTesla 8.1.8
com.apple.driver.AppleIntelHDGraphicsFB 8.1.8
com.apple.driver.AppleMuxControl 3.4.12
com.apple.driver.AppleMCCSControl 1.1.12
com.apple.driver.AppleSMCPDRC 1.0.0
com.apple.driver.SMCMotionSensor 3.0.4d1
com.apple.driver.AppleUSBTCButtons 240.2
com.apple.driver.AppleUSBCardReader 3.3.5
com.apple.driver.AppleIRController 325.7
com.apple.driver.AppleUSBTCKeyboard 240.2
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.iokit.SCSITaskUserClient 3.6.0
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.4.0
com.apple.driver.AppleUSBHub 650.4.4
com.apple.iokit.AppleBCM5701Ethernet 3.6.9b9
com.apple.driver.AirPort.Brcm4331 700.20.22
com.apple.driver.AppleFWOHCI 4.9.9
com.apple.driver.AppleAHCIPort 2.9.5
com.apple.driver.AppleUSBEHCI 650.4.1
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleACPIButtons 2.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.0
com.apple.driver.AppleACPIEC 2.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 216.0.0
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.AppleIntelCPUPowerManagement 216.0.0
com.apple.AppleGraphicsDeviceControl 3.4.12
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 2.5.2fc2
com.apple.vecLib.kext 1.0.0
com.apple.iokit.IOAudioFamily 1.9.4fc11
com.apple.kext.OSvKernDSPLib 1.14
com.apple.iokit.IOSurface 91
com.apple.iokit.IOSerialFamily 10.0.7
com.apple.iokit.IOBluetoothFamily 4.2.0f6
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.0f6
com.apple.driver.AppleHDAController 2.5.2fc2
com.apple.iokit.IOHDAFamily 2.5.2fc2
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.nvidia.classic.NVDANV50HalTesla 8.1.8
com.apple.nvidia.classic.NVDAResmanTesla 8.1.8
com.apple.driver.AppleGraphicsControl 3.4.12
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.iokit.IONDRVSupport 2.3.6
com.apple.driver.AppleSMBusController 1.0.11d1
com.apple.iokit.IOGraphicsFamily 2.3.6
com.apple.driver.IOPlatformPluginFamily 5.5.1d27
com.apple.iokit.IOFireWireIP 2.2.5
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.AppleSMC 3.1.6d1
com.apple.iokit.IOSCSIBlockCommandsDevice 3.6.0
com.apple.iokit.IOUSBMassStorageClass 3.6.0
com.apple.driver.AppleUSBMultitouch 240.6
com.apple.iokit.IOUSBHIDDriver 650.4.4
com.apple.driver.AppleUSBMergeNub 650.4.0
com.apple.driver.AppleUSBComposite 650.4.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.6.0
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOAHCISerialATAPI 2.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.0
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.driver.mDNSOffloadUserClient 1.0.1b4
com.apple.iokit.IO80211Family 600.34
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOUSBUserClient 650.4.4
com.apple.iokit.IOFireWireFamily 4.5.5
com.apple.iokit.IOAHCIFamily 2.6.0
com.apple.iokit.IOUSBFamily 650.4.4
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 278.10
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.AppleKeyStore 2
com.apple.driver.DiskImages 371.1
com.apple.iokit.IOStorageFamily 1.9
com.apple.iokit.IOReportFamily 21
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 2.0
com.apple.iokit.IOPCIFamily 2.8
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.pthread 1
Model: MacBookPro6,2, BootROM MBP61.0057.B0F, 2 processors, Intel Core i5, 2.53 GHz, 4 GB, SMC 1.58f17
Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 256 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.0f6 12982, 3 services, 15 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Hitachi HTS545050B9SA02, 500.11 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: Hub
USB Device: Internal Memory Card Reader
USB Device: BRCM2070 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Apple Internal Keyboard / Trackpad
USB Device: Hub
USB Device: IR Receiver
USB Device: Built-in iSight
Thunderbolt Bus:

Mid-2010 15" MacBook Pros - the bad NVIDIA GPU
If you're having frequent kernel panics with your 15" mid-2010, or intermittent screen problems, the problem is, more than likely, the faulty NVIDIA GPU found in a number of those machines.
Here's just a sample of a kernel panic log that points to the faulty NVIDIA card:
Kernel Extensions in backtrace (with dependencies):
         com.apple.GeForce(6.4.0)@0x82ac4000->0x82b7afff
            dependency: com.apple.NVDAResman(6.4.0)@0x834a0000
            dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x82fd3000
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x7a802000
            dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x8301b000
         com.apple.nvidia.nv50hal(6.4.0)@0x83c05000->0x84019fff
            dependency: com.apple.NVDAResman(6.4.0)@0x834a0000
         com.apple.NVDAResman(6.4.0)@0x834a0000->0x8378dfff
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x7a802000
            dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x82fd3000
            dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x8301b000
Here's the "official" Apple take on the issue - but the very real kernel panics need not be preceded by 'Intermittent black screen or loss of video'... in fact, you might not experience any video problems at all. Although video problems can certainly be a portent of things to come…
So what can you do? Print out a copy of your kernel panic and a copy of the Knowledge Base article and take them, along with your machine, to your local Apple Store or an Apple Authorized Service Provider. The unfortunate thing is that many people have passed the “three years from date of purchase” now and Apple is not honoring the free logic board replacement for many users. Some dealers seem to be making some exceptions for those past the three year mark, but don’t count on it…
Good luck,
Clinton

13"Macbook shuts down unexpectedly 10.5.8

I have a MacBook 13" (2008 I think) running 10.5.8.
In January I had to have a new logic board after it failed to switch on after a period of running very slow and freezing.
All ok for some time, but then I started to get unexpected shut downs/restarts. Both with and without power supply connected. Also had the first 2 instances of the emergency shut down window and kernal panic notification. Every couple of days it just restarts all on its own. I think is when I am seeing a video or have several applications open at once, but not sure.
I have run diagnostics and first aid and verifications etc and all comes back ok.
My partner uses PC and says a PC behaves like this when it overheats. Is that possible for this Mac?
Is this a hardware problem?
Thanks.
Fi
Utilities say:
Power On Self-Test:
Last Run:          12/06/2011 09:23
Result:          Passed
Battery Information:
Model Information:
Serial Number:          DP-ASMB016-374f-2d5
Manufacturer:          DP
Device name:          ASMB016
Pack Lot Code:          0002
PCB Lot Code:          0000
Firmware Version:          102a
Hardware Revision:          0500
Cell Revision:          0102
Charge Information:
Charge remaining (mAh):          2108
Fully charged:          No
Charging:          Yes
Full charge capacity (mAh):          4903
Health Information:
Cycle count:          808
Condition:          Good
Battery Installed:          Yes
Amperage (mA):          2099
Voltage (mV):          11658
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          90
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          90
Automatic Restart On Power Loss:          No
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Wake On LAN:          Yes
Display Sleep Uses Dim:          Yes
Battery Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          2
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes

The usual steps for resolving this type of issue are
- Reset the PRAM: http://support.apple.com/kb/HT1379
- Reset the SMC: http://support.apple.com/kb/HT3964
- Maybe calibrate the battery? http://support.apple.com/kb/HT1490
I would also download Onyx and work through its set of verification, maintenance and cache cleaning procedures, by going left to right through its tool bar. If you're still having problems after all these steps then it's time to visit the Apple Genius!
Bob

IMac late 2013 shuts down spontaneously after 2 hours, offers sign in screen

My recently purchased late 2013 iMac with Yosemite works very well but after a while, approximately 2 hours gives a message that it will shut down unless I stop it by canceling. I have not scheduled such shutdown.
I'd appreciate your advice.

Macbook shuts down unexpectedly

Hi,
Probably for the last week or so my laptop keeps shutting down for some unknown reason. It would be random and not when I'm doing a specific thing. I don't know how to solve the problem so if anyone can help i would appreciate it.

Mine is doing this too. Only on battery though. There might be like half an hour or more left on the battery then it just dies. I have to turn it back on just as you describe.
Couple things I've tried that have made it do it less often:
Shutdown computer.
Remove AC.
Remove Battery.
Hold Power button for 10 seconds.
Put Battery in.
Plug AC in.
Hold Command + Option + P + R while booting until you hear startup chime twice.
See how that goes. Mine is getting taken back - it's already been in the shop twice for the screen flickering issue - now the screen flickering has stopped but sometimes the screen goes black for one or two seconds then comes back on and other times it shuts off like this. I tell you what if mine is still playing up after this time I'm demanding to have mine replaced.

MacBook shuts down unexpectedly when the MagSafe is touched or removed

Hi, I got my new MacBook during November of 2009 but two weeks ago it started shutting down by itself once I touch the magsafe of the macbook or remove the magsafe. All it needs is a simple touch and it shuts down. When it does shut down, the light indicator doesn't come on anymore. I have to keep removing the magsafe, and plugging it back in like 20 times until it starts charging again. So now I just let it fully charge every time I use it since any sudden movement will cause it to shut down. I will be making an appointment next week at the apple store because I had no time to go these past 2 weeks. I never dropped it and take good care of it. I am just wondering what might be the cause of this? I hope they do not take weeks to fix the mac since I have a lot of homework to do... Thanks!

Anything is possible, but a firmware issue is not very probable.
Did Apple troubleshoot and repair your Mac? It's not the iBook as listed in your profile is it?
If Apple recently did the repairs and the problem persist then you should contact them, as they are obligated to fix it.
Did they for sure rule out the Magsafe adapter?
Which board did they replace? The logic board or just the DC board? Or both?

MacBook shuts down abruptly after some time, then has problems starting

I have 13" MacBook that I'm having some problems with. I have OS X and Windows XP in a dual boot configuration, and the problem happens in either OS. I can only use the computer for anything from 3 to 30 minutes before it suddenly shuts down.
When this first happens, I get trouble restarting it. It often just comes as far as intialising the DVD-ROM (you hear the sound), then it shuts off again. It can take up to ten starts before it powers up again. And then it's just a matter of time before the whole thing starts again. This happens regardless if I have the charger connected or not, or if I use just the charger and remove the battery.
At first it was thought that the battery was faulty, and I received a new one last spring. However, the problem quickly returned, and I haven't bother to do anything more about it before now. Suffice to say, I miss using my shiny MacBook, and I hope that someone can point me out in the right direction. As the computer is 2 years this may, I doubt I can get it repaired for free on the warranty(?).
Long post, but I hope I've explained the problem thourough enough. I believe I did the SMC reset and software update last summer, though I'm not sure which revision I'm on. If there's any more information I can provide, please let me know. It just takes some time to get the computer to stay on long enough to check stuff

Thank you so much for answering! I've actually read your answer to other similar forum, and have just installed iStatPro. it says that my fan is "exhaust" and at 0rpm. do i HAVE to replace the fan to a new one? can I just open up my mac and clean out the fan? if so, would you recommend this instead of buying a new fan? one last thing, if I buy a new fan, is it easy for me to replace it by myself? again, thank you so much for your answer.

Shut down WLAN after business hours

Hello,
We have recently deployed a vWLAN controller (AIR-CTVM-K9) and AIR-CAP2602I-A-K9 access points at all our sites. Since we are a retail operation I want to make the WLAN unavailable after business hours. The Cisco sales promo material mentions this as a capability but I can't find any supporting documentation.
How would I set this up?

There are several methods to achieve this and this depends on how your network is setup and how much technical skills you have:
1. MS AD: You can specify time and dates when authentication happens;
2. Cisco EnergyWise: You can specify what time of day(s) to enable the Cisco switch to provide PoE to the AP. When specified, the switch will disable power to the port.
3. You can enable time-based ACL to disable the dynamic interface of your AP. Your AP will still be able to broadcast the SSID but it will NOT accept any clients (or the clients will get 169.X.X.X IP addresses).
Finally,
4. If you have WCS/NCS or Prime Infrastructure, you can specify the time and date when the radio of the APs go up or down.

Macbook shuts down right after update.

IMG_5528.jpeg
I downloaded the last update. When the Mac shut down and restarted to install the update.. The computer shuts down. Not sure what is going on. Hope someone can help
I attempted to add picture

Hi DBolick5,
Thanks for visiting Apple Support Communities.
If your Mac is not starting up after installing an update, first try booting into Safe Mode:
Mac OS X: What is Safe Boot, Safe Mode?
http://support.apple.com/kb/ht1564
Starting up in Safe Mode
To start up into Safe Mode (to Safe Boot), follow these steps.
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key.
The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple logo and the progress indicator (looks like a spinning gear).
After the logo appears, you should see a progress bar during startup. This indicates that your computer is performing a directory check as part of Safe Mode.
To leave Safe Mode, restart your computer without holding any keys during startup.
Regards,
Jeremy

My macbook shuts down automatically after 30 seconds of inactivity

after immediately start up, maybe less than 30 seconds, the menu comes up asking if i want to restart/shutdown/sleep/cancel and if i don't cancel immediately the computer shuts down.
if i cancel, the menu shows up after about 30 seconds.
i have checked the energy saver prefs and everythign is set at 15 min.

Update: I found the problem in similar posts. Once I inserted the headphones completely in (no metal showing), the problem was resolved.

Macbook shuts down unexpectedly after an hour of use

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