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        <title>Lcd lights up but no information displayed</title>
        <description> Hi all, 

If anyone know an answer to this it would be greatly appreciated :)
I had a ramps 1.4 board working with the hex file provided with a project on instructables Project 
and even had it printing some pretty rough prints. 

A problem has occurred where the screen will light up but nothing is displayed.
So far I have done the following without any success.
Re flashed Mega 2560
Replaced the ramps board thinking I damaged that.
Replaced the Arduino when I noticed the voltage regulator was damaged.

Nothing had worked. Could it be that the actual smart controller unit is damaged? And Is there any way to test this?

Any help or suggestions would be greatly appreciated!

Thanks in advance!</description>
        <link>https://reprap.org/forum/read.php?219,553682,553682#msg-553682</link>
        <lastBuildDate>Fri, 10 Jul 2026 16:46:02 -0400</lastBuildDate>
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            <guid>https://reprap.org/forum/read.php?219,553682,554493#msg-554493</guid>
            <title>Re: Lcd lights up but no information displayed</title>
            <link>https://reprap.org/forum/read.php?219,553682,554493#msg-554493</link>
            <description><![CDATA[ Give <a href="https://m.youtube.com/watch?v=H3wj9l1hvVw" target="_blank"  rel="nofollow">this video</a> a shot. It helped me get mine working]]></description>
            <dc:creator>gmckee</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Sat, 05 Sep 2015 22:58:02 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,553682,554179#msg-554179</guid>
            <title>Re: Lcd lights up but no information displayed</title>
            <link>https://reprap.org/forum/read.php?219,553682,554179#msg-554179</link>
            <description><![CDATA[ Tried that thanks gmckee, unfortunately it wasn't that simple!]]></description>
            <dc:creator>ryan.exe</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Sat, 05 Sep 2015 05:31:02 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,553682,554093#msg-554093</guid>
            <title>Re: Lcd lights up but no information displayed</title>
            <link>https://reprap.org/forum/read.php?219,553682,554093#msg-554093</link>
            <description><![CDATA[ I am assuming you already tried to adjust the contrast, mine has a very touchy contrast know to where bumpin the lcd will mess it up.]]></description>
            <dc:creator>gmckee</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Fri, 04 Sep 2015 19:22:26 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,553682,553682#msg-553682</guid>
            <title>Lcd lights up but no information displayed</title>
            <link>https://reprap.org/forum/read.php?219,553682,553682#msg-553682</link>
            <description><![CDATA[ Hi all, <br />
<br />
If anyone know an answer to this it would be greatly appreciated :)<br />
I had a ramps 1.4 board working with the hex file provided with a project on instructables <a href="http://www.instructables.com/id/Building-a-3D-Printer-Under-200/" target="_blank"  rel="nofollow">Project</a> <br />
and even had it printing some pretty rough prints. <br />
<br />
A problem has occurred where the screen will light up but nothing is displayed.<br />
So far I have done the following without any success.<br />
Re flashed Mega 2560<br />
Replaced the ramps board thinking I damaged that.<br />
Replaced the Arduino when I noticed the voltage regulator was damaged.<br />
<br />
Nothing had worked. Could it be that the actual smart controller unit is damaged? And Is there any way to test this?<br />
<br />
Any help or suggestions would be greatly appreciated!<br />
<br />
Thanks in advance!]]></description>
            <dc:creator>ryan.exe</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Fri, 04 Sep 2015 00:55:14 -0400</pubDate>
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