Satellite L - LCD monitor flashing black after desktop loads

My LCD monitor has started flashing black at startup. It doesn't do it if I log off and log back in, only on startup. I can log in, the desktop loads and everything looks normal then after about 7 seconds everything goes black, then the taskbar quickly appears then disappears and then the desktop becomes visible again momentarily but goes black again. It repeats this very fast two or three times then starts normally.
Everything seems to be working fine otherwise. I disabled my antivirus so it wouldn't startup but that didn't help. I've done some registry cleaning lately so I restored everything back to well before this started and that didn't help either. I've done a lot of installing and uninstalling of software lately but can't pinpoint anything that might have caused it. This computer is about 2 years old. I have Vista 32 bit, service pack 2.
Anyone ever seen this before or have any ideas what the culprit might be? Really appreciate any advice.

OK, I connected a CRT monitor from another computer and it basically did it too. As the laptop screen was flashing off and on, the CRT screen went black and then came back on when the laptop went back to normal.
I think my graphics card is Intel Display Driver 7.15.10.1502. Does that sound right? I checked for an update through the Device Manager and it said no update is available. The same version is the only one listed at the Toshiba Downloads page. It's included with my Toshiba Application Installer so I'm tempted to uninstall/reinstall, but I'm afraid if it doesn't automatically install at at startup I won't have a monitor. Any advice on this or anything else is appreciated.

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    com.paragon-software.filesystems.ntfs          82
    com.logmein.hamachi          1.0
    com.apple.driver.AppleHWSensor          1.9.4d0
    com.apple.driver.AppleMikeyHIDDriver          122
    com.apple.driver.AppleTyMCEDriver          1.0.2d2
    com.apple.driver.AppleHDA          2.1.1f11
    com.apple.driver.AppleUpstreamUserClient          3.5.9
    com.apple.driver.AppleMCCSControl          1.0.24
    com.apple.driver.AppleMikeyDriver          2.1.1f11
    com.apple.driver.AppleIntelHDGraphics          7.0.2
    com.apple.driver.AGPM          100.12.40
    com.apple.driver.AudioAUUC          1.59
    com.apple.driver.AppleSMCLMU          2.0.1d2
    com.apple.driver.SMCMotionSensor          3.0.1d2
    com.apple.driver.AppleIntelHDGraphicsFB          7.0.2
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.2.0
    com.apple.driver.AppleMuxControl          3.0.8
    com.apple.GeForce          7.0.2
    com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0b2
    com.apple.driver.AppleLPC          1.5.1
    com.apple.driver.AppleBacklight          170.1.9
    com.apple.filesystems.autofs          3.0
    com.apple.driver.AppleUSBTCButtons          220.8
    com.apple.driver.AppleIRController          309
    com.apple.driver.AppleUSBCardReader          3.0.0
    com.apple.driver.AppleUSBTCKeyEventDriver          220.8
    com.apple.driver.AppleUSBTCKeyboard          220.8
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          32
    com.apple.iokit.SCSITaskUserClient          3.0.0
    com.apple.iokit.IOAHCIBlockStorage          2.0.0
    com.apple.driver.AppleUSBHub          4.4.0
    com.apple.driver.AppleFWOHCI          4.8.6
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    com.apple.iokit.AppleBCM5701Ethernet          3.0.6b9
    com.apple.driver.AppleEFINVRAM          1.5.0
    com.apple.driver.AirPort.Brcm4331          500.20.6
    com.apple.driver.AppleAHCIPort          2.1.8
    com.apple.driver.AppleUSBEHCI          4.4.0
    com.apple.driver.AppleUSBUHCI          4.4.0
    com.apple.driver.AppleACPIButtons          1.4
    com.apple.driver.AppleRTC          1.4
    com.apple.driver.AppleHPET          1.6
    com.apple.driver.AppleSMBIOS          1.7
    com.apple.driver.AppleACPIEC          1.4
    com.apple.driver.AppleAPIC          1.5
    com.apple.driver.AppleIntelCPUPowerManagementClient          166.0.0
    com.apple.nke.applicationfirewall          3.0.30
    com.apple.security.quarantine          1
    com.apple.driver.AppleIntelCPUPowerManagement          166.0.0
    com.apple.iokit.IOBluetoothSerialManager          2.5f17
    com.apple.iokit.IOSerialFamily          10.0.5
    com.apple.driver.AppleHDAHardwareConfigDriver          2.1.1f11
    com.apple.driver.DspFuncLib          2.1.1f11
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.iokit.IOSurface          80.0
    com.apple.iokit.IOAVBFamily          1.0.0d22
    com.apple.iokit.IOFireWireIP          2.2.3
    com.apple.iokit.IOAudioFamily          1.8.3fc11
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.AppleHDAController          2.1.1f11
    com.apple.iokit.IOHDAFamily          2.1.1f11
    com.apple.driver.AppleGraphicsControl          3.0.8
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleSMC          3.1.1d2
    com.apple.driver.IOPlatformPluginFamily          4.7.0b2
    com.apple.driver.AppleBacklightExpert          1.0.3
    com.apple.nvidia.nv50hal          7.0.2
    com.apple.NVDAResman          7.0.2
    com.apple.iokit.IONDRVSupport          2.3
    com.apple.iokit.IOGraphicsFamily          2.3
    com.apple.kext.triggers          1.0
    com.apple.driver.AppleFileSystemDriver          13
    com.apple.driver.BroadcomUSBBluetoothHCIController          2.5f17
    com.apple.driver.AppleUSBBluetoothHCIController          2.5f17
    com.apple.iokit.IOBluetoothFamily          2.5f17
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.0.0
    com.apple.iokit.IOUSBMassStorageClass          3.0.0
    com.apple.driver.AppleUSBMultitouch          220.23
    com.apple.iokit.IOUSBHIDDriver          4.4.0
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.0
    com.apple.iokit.IOBDStorageFamily          1.6
    com.apple.iokit.IODVDStorageFamily          1.6
    com.apple.iokit.IOCDStorageFamily          1.7
    com.apple.driver.XsanFilter          403
    com.apple.driver.AppleUSBMergeNub          4.4.0
    com.apple.driver.AppleUSBComposite          3.9.0
    com.apple.iokit.IOAHCISerialATAPI          2.0.0
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.0
    com.apple.iokit.IOUSBUserClient          4.4.0
    com.apple.iokit.IOFireWireFamily          4.4.3
    com.apple.iokit.IOEthernetAVBController          1.0.0d5
    com.apple.iokit.IO80211Family          400.40
    com.apple.iokit.IONetworkingFamily          2.0
    com.apple.iokit.IOAHCIFamily          2.0.6
    com.apple.iokit.IOUSBFamily          4.4.0
    com.apple.driver.AppleEFIRuntime          1.5.0
    com.apple.iokit.IOHIDFamily          1.7.0
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          165
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          7
    com.apple.driver.DiskImages          326
    com.apple.iokit.IOStorageFamily          1.7
    com.apple.driver.AppleKeyStore          28.18
    com.apple.driver.AppleACPIPlatform          1.4
    com.apple.iokit.IOPCIFamily          2.6.5
    com.apple.iokit.IOACPIFamily          1.4
    Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i7, 2.66 GHz, 4 GB, SMC 1.58f16
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    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
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    Bluetooth: Version 2.5.0f17, 2 service, 12 devices, 1 incoming serial ports
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    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, 0x0237, 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
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    My family gave me a macbook pro 15 inch laptop. they bought it back in aug 2007. Everything has worked fine they told me until my sister had gotten into a small fender bender. But it was enough to send the laptop flying into some stuff in the back of the car, and dent the bottom of it. the problem is that the lap top starts up with gray screen and apple logo, then goes black, but the computer is still running. Also, if i hook it up to a external monitor, it works perfectly, as in it shows up on the external monitor. the dent is located on the botoom right hand corner if your looking at the computer head on. Also the computer gets hotter than usual. Any ideas on how to fix it? I'm a PC guy usually but would like to delve into macs also, so i would like to get this working. I'm running lepoard snow. Thats all i really know about it, any suggestions? I took it into the apple store and they said the logic board could be shorting out because of the aluminum hitting the logic board where the dent is. but if that was true, why would i get a display in the first place? any ideas.
    Thank you for suggesting anyting, because it would help.

    Welcome to Apple Discussions!
    There are a couple of sites with teardown instructions:
    http://www.ifixit.com/
    http://www.powerbookmedic.com/
    Both of these sites also have some troubleshooting tips.
    If it were mine, I'd take it apart and straighten out the bent metal. Also check the internal cable connections--it's possible the flex cables to the display may need to be reseated. The connections to an external display are different from the connections to the built in display, so the external could work even if the internal one did not.
    It actually sounds like it survived the crash pretty well since it still boots up and runs. The shock may have dislodged some cables, and you need to check and see if the fans are working. You can download a widget from the Apple site called "iStatPro" which will display fan speeds and temperatures.
    Did you get the system discs? If so, you may be able to boot to the Apple Hardware Test. If you can, run the extended version and see if you get any error codes. Not sure if you can run it using an external monitor, but it may be worth a try.
    Post back if you have any questions. Good luck!

  • Cant install the adobe flash player after down loading on my mac?

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  • MacBook freeze after desktop loads

    I repaired permissions, and this still occurs.  I have a new insall of OS 10.7 as I purcahsed a new HD for my MacBook.
    Any ideas what would cause this?
    Any ideas how to reover or force a reboot when it hangs? Right now I am just holding the power button until the MacBook powers off.

    You're responding to a post from five months ago. If that's how long you had to wait for the issue to reappear, it may never be resolved.
    If you have more than one user account, these instructions must be carried out as an administrator.
    If you have an optical drive, make sure there is no disc in it.
    Launch the Console 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.
    ☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Console in the page that opens.
    Step 1
    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.
    Enter "BOOT_TIME" (without the quotes) in the search box. Note the timestamps of those log messages, which refer to the times when the system was booted. Now clear the search box and scroll back in the log to the last boot time when you had the problem. Post the messages logged during the time something abnormal was happening. That time might be before or after the boot.
    For example, if the problem is a slow startup taking three minutes, post the messages timestamped within three minutes after the boot time, not before. If the problem is a system crash or freeze, post the messages from before the boot time, when the system was about to crash or was failing to shut down. In either case, please include the BOOT_TIME message at the beginning or the end of the log extract.
    Post the log text, please, not a screenshot. If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
    Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.
    Step 2
    Still in Console, look under System Diagnostic Reports for crash or panic logs, and post the most recent one, if any. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if present (it may not be.) Please don’t post shutdownStall or hang logs — they're very long and not helpful.

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