<![CDATA[SoliForum - 3D Printing Community — Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/topic/11176/help-my-lcd-screen-shows-only-2-lines-of-blocks/ Tue, 26 May 2015 19:16:51 +0000 PunBB <![CDATA[Re: Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/97094/#p97094 might have been a short on the EEPROM check to see if there are any loose cables/wires to prevent it from happening again

]]> Tue, 26 May 2015 19:16:51 +0000 https://www.soliforum.com/post/97094/#p97094 <![CDATA[Re: Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/96660/#p96660 carl_m1968 wrote:

That is usually and indication the firmware did not load if all wires look normal.  The solid lines is the dumb mode of the LCD meaning it has power but no data. You may need to reflash or you could have a power supply isdues as well.

I re-uploaded the firmware, and it worked again! It's so weird, why could that happen? I did not leave any file out but the LCD did not work.

]]> Fri, 22 May 2015 07:43:45 +0000 https://www.soliforum.com/post/96660/#p96660 <![CDATA[Re: Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/96250/#p96250 That is usually and indication the firmware did not load if all wires look normal.  The solid lines is the dumb mode of the LCD meaning it has power but no data. You may need to reflash or you could have a power supply isdues as well.

]]> Tue, 19 May 2015 03:34:28 +0000 https://www.soliforum.com/post/96250/#p96250 <![CDATA[Re: Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/96211/#p96211 wire10ga wrote:

Check for loose wire/connection would be my 1st thing to look for.

Connection is fine, but it's hard to see if something wrong with the wire.

]]> Tue, 19 May 2015 00:35:36 +0000 https://www.soliforum.com/post/96211/#p96211 <![CDATA[Re: Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/96132/#p96132 Check for loose wire/connection would be my 1st thing to look for.

]]> Mon, 18 May 2015 11:47:01 +0000 https://www.soliforum.com/post/96132/#p96132 <![CDATA[Help, my LCD screen shows only 2 lines of blocks!]]> https://www.soliforum.com/post/96110/#p96110 After printing perfectly for a couple of month, my seemsLCD 2004 dead suddenly, showing only 2 lines of blocks, as you can see in the picture.
It is not contrast issue, because as you adjust it, 4 lines with change together.
Anybody, please help. Thank you in advance.
http://soliforum.com/i/?xCdIGJR.png

]]> Mon, 18 May 2015 06:10:26 +0000 https://www.soliforum.com/post/96110/#p96110