Dwayne Reid wrote:
> Does your target have any connection to earth ground?  In other 
> words, is it possible that you have a ground loop between the PC's 
> USB connection and that other ground?  Grounded power supply?
>
> I have run into a similar problem - not sure if the error message was 
> similar (too long ago) and I think I even toasted an ICD2 about that same time.
>
> Removed the ground connection from the PC (ran my laptop on battery 
> with the AC adapter completely disconnected) eliminated that problem.
>
> Even connecting the ground lead of a scope probe (also connected to 
> earth ground via the scope's AC power cord) can mess up an ICD2 project.
>
> I haven't yet invested in a USB isolator (BB Electronics) but plan to 
> do so at the first hint of a similar project (one that requires a 
> hard connection to AC protective ground).
>
> dwayne
>
>
> At 03:46 PM 11/27/2007, Bob Axtell wrote:
>
>   
>> At my client office, with MPLAB7.4, it worked some but was very 
>> cranky on my office Dell Dimension 2400. Lately, it has stopped 
>> working entirely. But I can take the proto home, attach one of my 4 
>> ICD2's and they all 4 work perfectly. Yet at the office, not a 
>> single DELL will  run the ICD2, and we have 12 of them!
>>     
>
>
>   
Ya know, this certainly might be the answer.

--Bob
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