Win7 on dv6t can't detect Toshiba projector

I have a Pavilion dv6t-2100 (WH770AV) running Win7 Pro 64-bit, trying to detect a Toshiba TDP-T9 projector. When I first connected it, it worked perfectly as I previewed a presentation. Then I moved the laptop and projector to another room, and now the laptop "can't detect projector" no matter what I do.
When I connect the VGA cable between the laptop and the projector, I hear the tones of connection from the laptop, but the laptop screen goes black (no matter which setting laptop is on -- (computer only, duplicate, extend, projector only) -- and eventually I get the message "can't detect projector". The projector continues to cycle looking for input, and cannot find anything.
I am considering getting a new driver for the NVIDIA GeForce GT 320 on the dv6t, but won't until I hear if others have had this problem and have resolved it.
Thanks!

You should post your issue on the laptop forum.
Does the NVIDIA Control Panel should see the second device? Look under setting up for dual monitors. The keyboard also has a video display rotate key function (LCD, LCD off and both).
You can also try a video driver update from the NVIDIA web site.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
HP Touchpad, HP Chromebook 11
Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT

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Hello @TzuMori,
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Revision 04h, Header Type 80h, Bus Latency 20h
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Subsystem ID 002002h CT4850 SBLi've! Value
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New Capabilities List Information :
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Vendor 02h Creative Labs
Device 7002h PCI Gameport Joystick
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PCI Class Input, type Other
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Vendor 02h Creative Labs
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APPLE/DEVS Read this! Windows 7 CAN'T detect the iPhone 5s but iTunes CAN detect it! WEIRD, huh?!..

just a summary...
i have a iphone 3G which i have been using for a long time and now i got an iphone 5s.. troubleshooting this kind of stuff is not new to me from computers to smartphones.. the internet has a vast majority of information and all you need to do is type in the right "KEYWORD".. i'm that kind of guy that looks for the answer before i try to look on it on my own.. i'm a DIY kind of guy as long as there is an instruction on how to do it..
now, back to the topic..
so i was trying to copy some of my pictures on my iphone 5s to my PC for backup purposes and to see the quality of the images but the portable device doesn't show up unlike my iphone 3G which is f***ing WEIRD.. been tinkering with this over the past 5 days since i have nothing to do and testing the new features of this phone but to no avail.. searched all over the internet but still none..
so last night, i was really determined since i can't sleep and also connected my iphone 3G to my PC while the iphone 5s is connected.. so here is what shows up on my devices and printers and device manager..
i can totally see the pics on my iphone 3G but not on my iphone 5s.. totally amazing.. good job apple!
the picture under devices shows my iphone 3G and the other 2 on unspecified is my iphone 5s.. the iPhone under there is being used as my source of internet since this is tethered so i can have access and post this in here so that APPLE will know how f***ed up their SOFTWARE is is..
so i downloaded itunes a couple of times, and i can't remember how many already, i think 5 times or more and then uninstalled all apple softwares (itunes, apple application support, apple mobile device support and etc as long as there is apple in it) and then reinstalled itunes but still none..
so i went on device manager removed my iphone 3G and the only one that would show there is the Apple Mobile Device USB driver under USB controllers..
and then i uninstalled the driver, looked for the driver myself by just it doesn't show up in here where you are directed to look for the driver and oh im using 64 bit just so everyone knows and i already found out that my system is using the usbaapl64.sys file in windows>system32>drivers..
so last night i installed, reinstalled itunes and then suddenly my drive D: was gone and i received an error or a "!" on my drive and my drive is not being detected.
Error: windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damage. (code 19).
i unstalled the driver in device manager and then scan hardware changes, updated the driver automatically and manually and it is saying that i have the latest hardware but i can't use my DVD drive with the error on it..
so today i searched for that e-fing error and found this http://pcsupport.about.com/od/findbyerrormessage/a/code-19-error.htm
"4. Uninstall Apple iTunes. While that may sound a little drastic, iTunes is the cause of enough Code 19 errors to make it into this troubleshooting.
If removing iTunes works, you might try installing it again from scratch, which doesn't always reintroduce the problem. See How to Properly Reinstall a Software Program for general advice."
so i then uninstalled my itunes, uninstalled my driver and then updated it and "walla!". i can see my DVD drive again. i am using iTunes64Setup v12.0.1.26 just so everyone knows and this setup can detect both my iphones and my iphone 5s is using the latest version which is iOS 8.1.2..
after reinstallation of itunes my DVD drive can be seen and just noticed how APPLE SOFTWARES are so ****** up.. CAUSING A LOT OF TROUBLE AND DAMAGES..
so going back to the topic..
i was able to find a way (AFTER HOW MANY HOURS of TROUBLESHOOTING) on how my iphone 5s was able to detect the portable device or should i say the images on my iphone 5s where the autoplay pops up and everything..
so i went on device manager, uninstalled apple mobile device USB driver, disconnected my iphone 5s, UNLOCKED my iphone 5s, connected it to my PC, clicked on TRUST this PC, on my PC the sound for a USB being connected sounded, and at the bottom right, automatically installed the drivers and then the autoplay popped up with the matching PORTABLE DEVICES on COMPUTER where i can browse the internal storage and the pictures..
so now i opened iTunes and BOOOM!
iTunes doesn't detect my iphone 5s but i can browse on the images on my phone..
so again i went to device manager, uninstalled the driver for apple iphone under portable devices, scanned for hardware changes, updated the driver manually by selecting drive C: so it would automatically find the correct drive..
so now, my iphone can be detected by itunes but not on my COMPUTER.. see how ****** UP this is?!.. JEEEEEEEEEZ!!
Now i finally found the SOLUTION on how to do this and vice versa.. UNTIL APPLE decides to FIX their SOFTWARE/DRIVER issues..
if you want to scan or browse the images on your iphone 5s on your computer all you need to do is do this:
[for those who don't know how to reach this part, here is a GUIDE on how to open this is: click on the device > click on update driver software > browse my computer for driver software > let me pick from a list of device drivers on my computer]
and then you will see the screen below
click on MTP USB Device and then click on Next, after it finishes installing the drivers, your PC will automatically detect a new portable device but in order for you to access the images you need to go back on your phone, unlock it if it lock automatically and then click on "TRUST" and then you can now see the images..
BUT the problem here is that your iPhone can't be detected on iTunes...
now, if you want to go back to where your phone can be detected on itunes, just follow these steps:
click on apple mobile device USB driver, click on Next and then wait for your computer to finish the installation and then you will hear the beeping sound. check your phone, unlock it, then click on "TRUST", and then go to iTunes and you will now see your iPhone there but not on your PC where you can browse for the images..
SEE HOW THIS DRIVERS are so ****** up.. i wish i hadn't started using this ****** UP OS with all the BUGS and GLITCHES.. JEEEZ! and to think, these DEVICES are not CHEAP compared to Android devices on the market.. it's just because of how these people go with the trend that they purchase these kind of stuff and the only thing they use it for is calling or texting.. i, for once use this not for calling or texting but also for the apps that it has like the games, ebooks and etc when im bored..
i HOPE the Apple DEVS read this and find the solution on the drivers which is so ****** UP and so LAME!!
PS: i hope a lot of people who are having the same issue as what i had find this and help them with their concern even though this is not a permanent solution.. it is just a work around for folks that are looking for answers and solution.
Have a Great Day Folks and it is the start of a New Year and want to contribute something even though i don't usually posts my work around.

Hi LSGZ,
If you are having issues updating or restoring your iPhone, you may find the following article helpful:
iOS: Unable to update or restore
http://support.apple.com/kb/HT1808
Regards,
- Brenden

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