Occasional reboot when waking MacBook from sleep.  iTunes related?

Recently, sometimes when I'm waking my MacBook from sleeping, instead of waking, it reboots. I'd say, one out of twenty times.
It started around the same time I started subscribing to PodCasts. (I'm not using an iPod with them, just downloading them to the MacBook and listening to them through iTunes.)
My iTunes version is 7.0.2.
Any clue as to why this may be happening? Or, more importantly, how to resolve this issue?
MacBook Mac OS X (10.4.8)

Hi, sugapablo.
I wouldn't think your PodCast subscriptions are the cause. However, you could cancel your subscriptions for a few weeks and see if that sorts it out.
Here are some troubleshooting ideas that I think may be more relevant:
1. Have you applied the "MacBook SMC Firmware Update 1.1."? That update fixed a problem with <<a href="http://docs.info.apple.com/article.html?artnum=304308">spontaneous shutdowns — at a guess, your problem may be related.
2. You may want to try some of the troubleshooting steps cited in the following documents:• "http://docs.info.apple.com/article.html?artnum=303234."
• "Mac OS X: Why your Mac might not sleep or stay in sleep mode."
3. Run the Apple Hardware Test (AHT) that came the affected computer. See my "Apple Hardware Test" FAQ for comprehensive advice on using the AHT in troubleshooting.
4. You cited that it reboots. However, if you are seeing the following message
that indicates a kernel panic.
If so, see my "Resolving Kernel Panics" FAQ. This FAQ includes step-by-step instructions for identifying and resolving some of the most common causes of kernel panics. The FAQ is a roadmap: start at the beginning and work systematically through the end, i.e. the "If all else fails..." section.
5. You may want to search the "MacBook Discussion" for similar reports.
6. Since I suspect your MacBook is still under warranty, you may want to contact AppleCare
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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    panic(cpu 3 caller 0xffffff7fa122ef1a): "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 0xffffff81101ad000 0x0a5480a2, D0, P2/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.5/src/AppleM uxControl/kext/GPUPanic.cpp:127
    Backtrace (CPU 3), Frame : Return Address
    0xffffff810fdc2ef0 : 0xffffff801f01d626
    0xffffff810fdc2f60 : 0xffffff7fa122ef1a
    0xffffff810fdc3030 : 0xffffff7f9f79cf1e
    0xffffff810fdc30f0 : 0xffffff7f9f87112d
    0xffffff810fdc3130 : 0xffffff7f9f87118e
    0xffffff810fdc31a0 : 0xffffff7f9fb37ed0
    0xffffff810fdc32d0 : 0xffffff7f9f899a75
    0xffffff810fdc32f0 : 0xffffff7f9f7a3d50
    0xffffff810fdc33a0 : 0xffffff7f9f7a17d0
    0xffffff810fdc35a0 : 0xffffff7f9f7a310a
    0xffffff810fdc3670 : 0xffffff7fa077e8be
    0xffffff810fdc3730 : 0xffffff7fa07a9fa8
    0xffffff810fdc37b0 : 0xffffff7fa07913e0
    0xffffff810fdc3810 : 0xffffff7fa0791cc1
    0xffffff810fdc3860 : 0xffffff7fa0792173
    0xffffff810fdc38d0 : 0xffffff7fa07929d3
    0xffffff810fdc3910 : 0xffffff7fa075de2f
    0xffffff810fdc3a90 : 0xffffff7fa078ef0f
    0xffffff810fdc3b50 : 0xffffff7fa075c8c8
    0xffffff810fdc3ba0 : 0xffffff801f466e69
    0xffffff810fdc3bc0 : 0xffffff801f468410
    0xffffff810fdc3c20 : 0xffffff801f465e2f
    0xffffff810fdc3d70 : 0xffffff801f098c01
    0xffffff810fdc3e80 : 0xffffff801f020b3d
    0xffffff810fdc3eb0 : 0xffffff801f010448
    0xffffff810fdc3f00 : 0xffffff801f01961b
    0xffffff810fdc3f70 : 0xffffff801f0a6536
    0xffffff810fdc3fb0 : 0xffffff801f0ce9e3
          Kernel Extensions in backtrace:
             com.apple.driver.AppleMuxControl(3.4.5)[49FEF732-D7A3-327B-A7AA-6AC5A6E3DCFF]@0 xffffff7fa1221000->0xffffff7fa1233fff
                dependency: com.apple.driver.AppleBacklightExpert(1.0.4)[1D0BB11E-7D71-34CF-ACC3-57DF01CADA 08]@0xffffff7fa121c000
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f9f6a5000
                dependency: com.apple.driver.AppleGraphicsControl(3.4.5)[4A2C8548-7EF1-38A9-8817-E8CB34B8DC A6]@0xffffff7fa1208000
                dependency: com.apple.iokit.IOACPIFamily(1.4)[A35915E8-C1B0-3C0F-81DF-5515BC9002FC]@0xfffff f7f9f5e8000
                dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xff ffff7f9f727000
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0 xffffff7f9f6e4000
             com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9f7 3b000->0xffffff7f9f9e0fff
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f9f6a5000
                dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xff ffff7f9f727000
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0 xffffff7f9f6e4000
             com.apple.nvidia.nv50hal(8.1.2)[988EAF3A-3318-3787-8A5A-844830FA1522]@0xffffff7 f9f9ec000->0xffffff7f9fcc0fff
                dependency: com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9f7 3b000
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f9f6a5000
             com.apple.GeForce(8.1.2)[7EC545A4-4B57-32F1-8DC3-C31023AFBDCB]@0xffffff7fa074a0 00->0xffffff7fa0817fff
                dependency: com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9f7 3b000
                dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xff ffff7f9f727000
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f9f6a5000
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0 xffffff7f9f6e4000
    BSD process name corresponding to current thread: WindowServer
    Mac OS version:
    12E55
    Kernel version:
    Darwin Kernel Version 12.4.0: Wed May  1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
    Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
    Kernel slide:     0x000000001ee00000
    Kernel text base: 0xffffff801f000000
    System model name: MacBookPro6,2 (Mac-F22586C8)
    System uptime in nanoseconds: 39531702676383
    last loaded kext at 25781655065123: com.apple.driver.AppleUSBCDC    4.1.23 (addr 0xffffff7fa13f3000, size 16384)
    last unloaded kext at 25851680759110: com.apple.driver.StorageLynx    3.1.7 (addr 0xffffff7fa13e7000, size 8192)
    loaded kext
    Model: MacBookPro6,2, BootROM MBP61.0057.B0F, 2 processors, Intel Core i7, 2.66 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, 512 MB
    Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x029E, 0x434D5341344758334D314131303636433720
    Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x029E, 0x434D5341344758334D314131303636433720
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.106.98.100.17)
    Bluetooth: Version 4.1.4f2 12041, 2 service, 18 devices, 1 incoming serial ports
    Network Service: Ethernet, Ethernet, en0
    Serial ATA Device: Hitachi HTS725050A9A362, 500.11 GB
    Serial ATA Device: MATSHITADVD-R   UJ-898
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0xfa120000 / 5
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8218, 0xfa113000 / 8
    USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa130000 / 3
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: hub_device, 0x0424  (SMSC), 0x2504, 0xfd130000 / 5
    USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfd133000 / 6
    USB Device: Microsoft 5-Button Mouse with IntelliEye(TM), 0x045e  (Microsoft Corporation), 0x0039, 0xfd133300 / 8
    USB Device: Apple Keyboard, apple_vendor_id, 0x0220, 0xfd133200 / 7
    USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0xfd110000 / 4
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 3
    FireWire Device: OEM ATA Device 00, G-TECH, 800mbit_speed

    Do you see things like described here: http://support.apple.com/kb/TS4088
    If so, or even if they don't, you should take your MBP into an Apple Store or Apple Certified Service center along with a printout of that article. They will test it to see if it is that problem and replace the logic board for free up to three years from date of purchase. That time is likely close or already passed.

  • Monitor not reacting when waking computer from sleep.

    Monitor: HP Pavilion 22bw IPS LED Backlit Monitor
    Computer: HP Pavilion Desktop 500-314
    Processor: MD A8-7600 Radeon R7, 10 Compute Cores 4C + 6G, 3.10 GHz
    RAM: 8 gb
    Windows 8.1
    System Type: 64-bit operating system, x-64 based processor
    Basically when I wake the comp from sleep, the comp itself turns on, but the monitor does not respond at all. I have to force shutdown all the time. When I turn on the computer, the monitor displays picture again.

    Hello flashlight365,
    Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
    I understand that you are having issue with your HP Pavilion 22bw IPS LED Backlit Monitor waking up after being put into sleep mode by your HP Pavilion 500-314 Desktop PC running Windows 8.1. I would like you to ensure that you have the AMD Graphics Driver installed. As well there is no HP Pavilion 22bw IPS LED Backlit Monitor Driver for Windows 8.1, but you can try installing the HP Pavilion 22bw IPS LED Backlit Monitor Driver, which is for Windows 8 in compatibility mode.
    As there are no additional drivers for your monitor if the issue persists beyond what I have posted you can try the steps below to turn off the computer putting the monitor to sleep to begin with:
    Step 1. At the Tiles Menu type "power"
    Step 2. Click on Power and Sleep Settings
    Step 3. Select "Never" for both settings
    Please re-post if you still require additional support. Thank you for posting on the HP Forums. Have a great day!
    Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
    Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
    Dunidar
    I work on behalf of HP
    Find out a bit more about me by checking out my profile!
    "Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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