USB Bootloader CRASH on Vista

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USB Bootloader CRASH on Vista

Postby mindthomas » Sun Mar 09, 2008 3:49 am

Hi, i'm new here so i hope you can help me :)
For two weeks ago i had a great USB Pic18F2550 programmed and worked, both in Bootloader mode (Programming mode),
and it was also running great in Testing mode (I had maked a Visual Basic program, and a PIC Code in Pic Basic, so i could control some LED's)

Then i don't know what i had done, but suddenly when i connect the PIC To USB when the PIC is in Bootload Programming mode, my Windows Vista Home Premium crashed into Blue Screen Of Death, saying that there was a problem with the mchpfsusb.sys driver.
Where in the driver the Error happends is different everytime i try to connect the USB to my computer, but it crashes, and restarts!
The funny thing is that my PIC works in USB Testing mode with my Visual Basic application, but i can't set my PIC into Programming mode without having my computer to crash!!

I hope you can help me, because i have reinstalled my computer last night, because i thought that could fix the problem, but NO.

Best Regards
Thomas Jespersen
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I screwed it up, not the pic, not the bootload! I...

Postby mindthomas » Sun Mar 09, 2008 5:59 am

After i changed the PIC and programmed the bootloader into the new PIC (still PIC18F2550) it is working! But after i got it working, i thought what could had been the problem, and i saw that the 470nF capasitor was going to RC2 instead of VUsb
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Postby pantoine » Sun Mar 09, 2008 4:55 pm

That capacitor is a major source of problems for 18f2550 users... seems almost everyone forgets to connect it or connects it incorrectly at least once :-)

P.
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Postby sunnysmith70 » Tue Sep 08, 2009 3:39 am

Hi mindthomas,

I have same problem some days back with vista. when i tried this on my friend pc which has windows xp os then it works fine. So i think this is the problem of windows vista.
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Postby MattTurner123 » Sun Sep 13, 2009 12:54 am

I wonder how come vista is giving so much of trouble.. It is one of the most advanced and best OS... But it is true.... What about the windows 7
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Postby jillypacee7 » Tue Feb 16, 2010 8:24 am

Just i purchased the new lenovo laptop.. its handy but bit problem in Vista installation. hmm.. your point seems helpful. Lets see i have to try this..!! but problem must be similar so this solution is better :wink:
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