Macbook Pro weird boot problems

Hello!
I have a macbook Pro (late 2012) with OS X Yosemite (latest update) and I have some weird stuff going on in it...
2 days ago, I was using normally it, as I use it for work, when it suddenly freezes (never happened before). when i turn it on again, a empty symbol shows instead of the grey apple until i turn it off.
then, when i opened the recovery mode to see if my HD was damaged or something, it just do not shows my HDD at all to verify for integrity. I trun it off and let it be.
After several hours later, i decided to try to boot it again, and, for my surprise, it boots normally and all my files are normal. But after 10-15 minutes backing up all my important files to cloud services, it begins to be really slow. The spinning disk is shown even when i tried to close a finder window, move simple pages files or even to open the top menu to shut it down. The weird part is going even crazier: when i put a freezing gel (a gel packet that freezes and thaw without water is involved) under the macbook, the slowness is off and it works almost at normal speed. when the freezing effect is off, the slowleness is back
All this parts repeats very often.. sometimes the empty symbol appears when booting, sometimes it boots normally and after several minutes it becomes really slow. I tried to diagnose if a hardware problem was involved (pressing "D" after pushing the power button), but no problems were found at all.
what is going on? do you guys even had this? I hope it´s not the logic board!
(Sorry for my bad english)

The startup drive is failing, or there is some other internal hardware fault.
Back up all data on the drive immediately if you don't already have a current backup. There are ways to back up a computer that isn't fully functional—ask if you need guidance.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced.
*An SSD doesn't need to be zeroed.

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Anonymous UUID:       70FAC283-90BE-D245-EEE6-7A72809770B8
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panic(cpu 0 caller 0xffffff7f8d794fb0): "GPU Panic: [<None>] 5 3 7f 0 0 0 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff80fd70f000 0x0a5480a2, D0, P3/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.35/src/Apple MuxControl/kext/GPUPanic.cpp:127
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0xffffff80fbae3140 : 0xffffff800b422fa9
0xffffff80fbae31c0 : 0xffffff7f8d794fb0
0xffffff80fbae3290 : 0xffffff7f8be21eab
0xffffff80fbae3350 : 0xffffff7f8beeb49a
0xffffff80fbae3390 : 0xffffff7f8beeb50a
0xffffff80fbae3400 : 0xffffff7f8c16a056
0xffffff80fbae3530 : 0xffffff7f8bf0eb39
0xffffff80fbae3550 : 0xffffff7f8be288fd
0xffffff80fbae3600 : 0xffffff7f8be26408
0xffffff80fbae3800 : 0xffffff7f8be27386
0xffffff80fbae38e0 : 0xffffff7f8cdbd9c2
0xffffff80fbae3920 : 0xffffff7f8cdcd37f
0xffffff80fbae3940 : 0xffffff7f8cdfb33b
0xffffff80fbae3980 : 0xffffff7f8cdfb39b
0xffffff80fbae39c0 : 0xffffff7f8cdd2e15
0xffffff80fbae3a10 : 0xffffff7f8cd9eb5e
0xffffff80fbae3aa0 : 0xffffff7f8cd9aae7
0xffffff80fbae3ad0 : 0xffffff7f8cd98636
0xffffff80fbae3b00 : 0xffffff800b8cbe43
0xffffff80fbae3b90 : 0xffffff800b8cdd3f
0xffffff80fbae3bf0 : 0xffffff800b8cb85f
0xffffff80fbae3d40 : 0xffffff800b4b65a8
0xffffff80fbae3e50 : 0xffffff800b426bf1
0xffffff80fbae3e80 : 0xffffff800b4139f5
0xffffff80fbae3ef0 : 0xffffff800b41e043
0xffffff80fbae3f70 : 0xffffff800b4c97bd
0xffffff80fbae3fb0 : 0xffffff800b4f3b96
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         com.apple.driver.AppleMuxControl(3.4.35)[1BFF66C1-65E4-3BB3-9DEE-B61C3137019B]@ 0xffffff7f8d787000->0xffffff7f8d799fff
            dependency: com.apple.driver.AppleGraphicsControl(3.4.35)[09897896-ACBD-36B5-B1D4-0CCC4000E 3B3]@0xffffff7f8d77f000
            dependency: com.apple.iokit.IOACPIFamily(1.4)[045D5D6F-AD1E-36DB-A249-A346E2B48E54]@0xfffff f7f8bd27000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f8baba000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f8bd7f000
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            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f8baba000
            dependency: com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f8bdc2000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f8bd7f000
         com.apple.GeForceTesla(8.2.4)[B6C71E9A-E304-354B-80AD-C69C9032D367]@0xffffff7f8 cd7d000->0xffffff7f8ce47fff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f8baba000
            dependency: com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f8bdc2000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f8bd7f000
            dependency: com.apple.nvidia.classic.NVDAResmanTesla(8.2.4)[80472F2E-D31D-32C4-88BA-2EB3D63 C159F]@0xffffff7f8bdd2000
         com.apple.nvidia.classic.NVDANV50HalTesla(8.2.4)[B0E6AAA7-E970-3D81-8B43-145D56 A3A4AC]@0xffffff7f8c045000->0xffffff7f8c2eefff
            dependency: com.apple.nvidia.classic.NVDAResmanTesla(8.2.4)[80472F2E-D31D-32C4-88BA-2EB3D63 C159F]@0xffffff7f8bdd2000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f8baba000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
13C1021
Kernel version:
Darwin Kernel Version 13.1.0: Wed Apr 2 23:52:02 PDT 2014; root:xnu-2422.92.1~2/RELEASE_X86_64
Kernel UUID: E9CF78E2-1E9F-3B6F-81A4-FEE6C6D0E4D5
Kernel slide:     0x000000000b200000
Kernel text base: 0xffffff800b400000
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System uptime in nanoseconds: 2370595112951
last loaded kext at 246284976606: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8d897000, size 65536)
last unloaded kext at 392571108038: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8d897000, size 57344)
loaded kexts:
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AudioAUUC          1.60
com.apple.iokit.IOBluetoothSerialManager          4.2.3f10
com.apple.filesystems.autofs          3.0
com.apple.driver.AGPM          100.14.15
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleMikeyDriver          2.6.0f1
com.apple.driver.AppleHDA          2.6.0f1
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.driver.AppleIntelHDGraphics          8.2.4
com.apple.driver.AppleLPC          1.7.0
com.apple.GeForceTesla          8.2.4
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleMuxControl          3.4.35
com.apple.driver.AppleIntelHDGraphicsFB          8.2.4
com.apple.driver.SMCMotionSensor          3.0.4d1
com.apple.driver.AppleUSBTCButtons          240.2
com.apple.driver.AppleUSBTCKeyboard          240.2
com.apple.driver.AppleIRController          325.7
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.AppleUSBCardReader          3.4.1
com.apple.driver.XsanFilter          404
com.apple.driver.AppleUSBHub          666.4.0
com.apple.iokit.IOAHCIBlockStorage          2.5.1
com.apple.iokit.AppleBCM5701Ethernet          3.8.1b2
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AirPort.Brcm4331          700.20.22
com.apple.driver.AppleAHCIPort          3.0.0
com.apple.driver.AppleUSBEHCI          660.4.0
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          2.1
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.driver.IOBluetoothHIDDriver          4.2.3f10
com.apple.driver.AppleMultitouchDriver          245.13
com.apple.iokit.IOSerialFamily          10.0.7
com.apple.kext.triggers          1.0
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.driver.DspFuncLib          2.6.0f1
com.apple.vecLib.kext          1.0.0
com.apple.iokit.IOAudioFamily          1.9.5fc2
com.apple.kext.OSvKernDSPLib          1.14
com.apple.iokit.IOSurface          91
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.nvidia.classic.NVDANV50HalTesla          8.2.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleHDAController          2.6.0f1
com.apple.iokit.IOHDAFamily          2.6.0f1
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.nvidia.classic.NVDAResmanTesla          8.2.4
com.apple.iokit.IOFireWireIP          2.2.6
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.driver.AppleGraphicsControl          3.4.35
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.AppleUSBMultitouch          240.9
com.apple.iokit.IOUSBHIDDriver          660.4.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.6
com.apple.iokit.IOUSBMassStorageClass          3.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.driver.AppleUSBComposite          656.4.1
com.apple.iokit.IOUSBUserClient          660.4.2
com.apple.iokit.IOEthernetAVBController          1.0.3b4
com.apple.driver.mDNSOffloadUserClient          1.0.1b5
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IO80211Family          630.35
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOAHCIFamily          2.6.5
com.apple.iokit.IOUSBFamily          675.4.0
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          278.11
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          23
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.9
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, 2.4 GHz, 8 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, 4 GB, DDR3, 1067 MHz, 0x0198, 0x393930353432382D3034332E4130304C4620
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x0198, 0x393930353432382D3034332E4130304C4620
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.3f10 13477, 3 services, 23 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: KINGSTON SV300S37A120G, 120.03 GB
Serial ATA Device: ST9320325ASG, 320.07 GB
USB Device: Hub
USB Device: BRCM2070 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Internal Memory Card Reader
USB Device: Apple Internal Keyboard / Trackpad
USB Device: Hub
USB Device: IR Receiver
USB Device: Built-in iSight
Thunderbolt Bus:

P3/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.35/src/Apple MuxControl/kext/GPUPanic.cpp:127
Same issue here > Macbook Pro Shuts Down Because of A...: Apple Support Communities
Take your Mac to an Apple Store or Apple certified provider.
Locations listed here.

2012 MacBook Pro Intel i7 (purchased May 2013) constantly drops airport connection. My 2006 MacBook Pro has no problems connecting and staying connected.

I received a 2012 MacBook Pro INtel i7 for my birthday this May 2013. It constantly drops my airport connection. My ancient 2006 MacBook Pro has no problem connecting to airport, nor staying connected. I've had to write this message several times as I keep losing the airport connection and have to reconnect. BTW: I am less than five feet from the airport base.
Thanks for help.

After trying all of the above the suggestions, the problem returned as before. However, after digging some more I discovered that the issue appears to lie with the 10.4.10 version of the Mac OS; when I checked the software log under the system profiler I noticed that I had installed that update at about the time my Airport problems began. Apple then quietly released a v 1.1 combo update to 10.4.10 on July 2nd, which once installed appears to have resolved the problem. You can find the download at http://www.apple.com/support/downloads/macosx10410comboupdatev11intel.html
What's curious is that originally Apple listed that the v 1.1 combo update resolved some issues with RAW image data, and some sound problems, which don't seem to have anything to do with Airport.

Macbook Pro not booting up all the way, weird problems

Last night I was using my Macbook Pro, closed the lid then came back later and when I opened the lid it wouldn't wake back up. Shut it down by holding the power button, then tried booting it back up. You can hear the CD/DVD drive spin up, (got my copy of X-Plane in there) but nothing else happens. Keyboard backlights never turn on, display stays dark, and the sleep light never lights up all the way either, just stays dim. Leave it for a few minutes, then close the lid and the sleep light gets bright like the computer is awake, and you can still here it running.
Sounds like classic SMC issues right? Well tried resetting that several times, no luck. Reset the PRAM while I was at it as well, no luck. Really not sure what's wrong now.
Macbook Pro was purchased spring '08, can't remember all the specs off the top of my head but it was the top-of-the line processor, 2-gig of ram, the nvidia 8600 video card. I've heard that there have been some issues with that card however I'm not yet convinced that this is a video issue. Software update ran just a few days ago, so I'm running whatever the latest version of mac os X is. (10.5.??)

Here's a link to the NVIDIA program:
http://support.apple.com/kb/TS2377
There is a specific test they run to diagnose this problem. If it pulls the right error code, you get a free logic board replacement. Print out a copy of the article and take it along--oddly enough, there are still a few Apple guys that don't seem to be familiar with this program.
So far I have not experienced the NVIDIA problem myself, but I have read a number of posts about it. Some people have reported multiple problems--some so severe that their Mac won't boot up enough to run the test. However, since your Mac sounds unusable the way it is, you may as well make an appointment at the genius bar and see if you qualify for a replacement logic board. That could cure many things.
Good luck!

Macbook Pro weird boot problems

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