but I don't see why the monitor requesting a resolution the graphics
> card can't handle might not have a similar effect.
>>
>> Or a faulty monitor (or cable?) might draw too much current on one or
>> more signal lines for the graphics card to handle nicely.
>>
>> I've seen USB-powered speakers disable a computer, presumably
>> something about drawing too much power on the USB port drops the
>> voltage on a supply rail internally.
>>
>> Owain
>>
> Thanks ...so it could happen then.....she got a message "Frequency out
> of range"...funny I couldn't find the right resolution for the monitor
> in the win 10 settings on the third computer just befor it threw a
> wobbly....thanks again I will trash the monitor and cable then .....
Run a program like:
formatting link
and check the resolutions / frequencies the monitor works with. In Windows safe mode it should revert to VGA 640x480x60Hz and all monitors should cope with this.