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Display blank but sounds like it is working

NXT display blank but sounds like it is working

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If it sounds like it is ticking, use your Owner's Manual for Updating the NXT Firmware.

Posted on Aug 31, 2010


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Posted on Jan 02, 2017

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SOURCE: The NXT from a group

The main problem may be it's not working properly or it appears broken. Try to reinstall the NXT

Posted on Apr 27, 2011

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Fix the ticking sound on a mindstorm nxt

Your NXT probably froze. To fix this, get a paper clip and unbend it. Then press the button in the top left corner. Be sure not to press this button for more than 4 sec. Here is a picture:

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If you're getting the program from the RoboCenter, double check that all off the blocks are set right. If that doesn't work, open the programming software, click Tools> Update NXT Firmware. Connect your NXT with the USB (or it might work with Bluetooth...) Then click Check and download the latest firmware (or just click download). Don't be alarmed if the display turns off and the brick makes a ticking noise.

Aug 06, 2010 | Lego Media Lego Mindstorms

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My nxt won't start up with a good charged battery. actually I have 2 nxt bricks with this problem. 1. Battery... Battery works on another nxt battery shows full charge. I've also connected the power...

The clicking sound is supposed to tell you that the NXT is on while resetting the firmware. You probably disconnected it while it was updating it. Try updating it again.

Jul 19, 2010 | Lego Media Lego Mindstorms

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The screen on my nxt brick is blank with jumping black lines

Follow the instructions in your Owner's Manual for updating the firmware.

May 21, 2010 | Lego Media Lego Mindstorms

2 Answers

When I used my NXT the first time it makes sounds but the display does not work.

This is a common hardware problem, not a firmware issue.
Send it back to Lego for exchange or (if you're out of warranty) try this:

Oct 20, 2009 | Lego Media Lego Mindstorms

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Check this out. There are some great pics and stuff.
Hope this helps.

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Instructions for repair of a Lego NXT Brick with no LCD display:


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