Screen Java class is missing problem

[tamirz12345]

Hellow forum,
this is my first question here .
I  made a CPU.hdl and i want to make a computer so i built Memory ANd computer but Hardware Cimulator Writes me Java Class screen is missing evan i already put Screen.hdl and Screen.Class in my project Folder.
Somebody know what to do?
Thanks to the helpers!

[ybakos]

Be sure to take a look at the index and the chapter reading about how the simulator automatically provides the screen and keyboard chips. Delete the Screen.hdl and Screen.class files from your project directory. You can email me your Computer.hdl if you'd like me to take a look.

[tamirz12345]

Hellow,

And thanks for help i deleted what you said so it writes me that Screen Chip is missing what to do?

2013/4/23 ybakos [via Nand2Tetris Questions and Answers Forum] <[hidden email]>

Be sure to take a look at the index and the chapter reading about how the simulator automatically provides the screen and keyboard chips. Delete the Screen.hdl and Screen.class files from your project directory. You can email me your Computer.hdl if you'd like me to take a look.

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[cadet1620]

You should have the following files in the indicated directories.
    1322  11-22-2006   6:05p   nand2tetris/tools/builtInChips/Screen.class
    1115   7-21-2012  12:05p   nand2tetris/tools/builtInChips/Screen.hdl
    1921  11-22-2006   6:05p   nand2tetris/tools/builtInVMCode/Screen.class
Note in particular that there are two different Screen.class files.

If builtInChips/Screen.class is missing, you get the message
    "In HDL file ..., Can't find Screen java class"
if builtInChips/Screen.hdl is missing you get the message
    "Chip Screen is not found in the working and built in folders"
If the wrong Screen.class File is in the BuiltInChips directory, the Hardware Simulator hangs displaying "Loading chip..."

--Mark