You should check if putting the back cover on could cause any pressure and
thus maybe an unwanted contact on the logic board...
Johannes
> -----Original Message-----
> From: newtontalk-bounce_at_newtontalk.net
> [mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Jon Kinney
> Sent: Monday, November 18, 2002 7:23 AM
> To: newtontalk_at_newtontalk.net
> Subject: [NTLK] Speed upgrade and funny lines on screen
> Hello I have installed the cheap speed upgrade...the 5 MHz and 3.686 combo
> crystals with the switch...it works great and I am really happy with the
> speed when upped to nearly 220 mhz...but I have one problem...it
> works with
> the back casing off...but if I put it back on, even just snap it in place,
> The switch won't work at the accelerated speed. It gets a black
> line on the
> screen (vertical) and forces me to switch back to the regular speed, which
> works flawlessly. So has anyone had this problem before? I re-soldered
> everything to make sure the connections were solid and they seem to be. My
> next thing to try would be to use 2 new crystals...? But it works with the
> back off!!!!! Any ideas? Thanks,
>
> Jon
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