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Hi all - found this while searching for a solution. Want a crack at a challenging problem?

Short version - Sony Vaio VGN T370P - 4 years old - got a virus - couldn't clear it (don't remember name) - did a restore from partition D, still had a problem - did a restore from CD, virus cleaned. Installed all current drivers, checked BIOS, etc - everything works, EXCEPT when I plug in a projector the notebook freezes (the computer recognizes the projector and the projector shows the image fine, just frozen) - Talked to Sony tech support and installed some more recommended drivers - same problem - sent notebook to Sony repair, they said "motherboard, $700" - I said "easy excuse, no"

Again, everything works fine EXCEPT when I connect a projector (which I have done about 500 times before) - same reaction when connecting an external monitor.

Want to take a shot? I would be indebted to whoever gets this figured out!
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Neil Jones

Neil Jones

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This is either a driver issue or an incompatibility so far as software is concerned, such as Service Pack 3 for example.
There is every chance it could be a mainboard issue indirectly, such as an issue with the VGA port for example.
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The Skeptic

The Skeptic

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Did you format the hard disk and installed everything from scratch or was it some operating system repair that you did?
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What does device manager look like?

Please Go to
1: STARTand the click on RUN
2: Type in devmgmt.msc
3: Click Enter
4. Look for any entries with Yellow Exclamation ! marks or Red X's

In your next reply please include those results
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it may be a IRQ conflict...
what else do you have connected to the computer...
what happens if you boot up with the projector already connected...
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