screen garbage Apple IIe

Hello

I recently got an apple IIe, and and added a printer card to it. It has been fully operational before I put the CSA in, and the display will show now a ton of random characters on it. When you run the check command + reset, some letters change. I think that the EF ROM chip could be dead, but I don't know (as I can't find anywhere to buy it) I took all the expansion cards, with no avail. When I turn it on, the floppy drives do nothing, and sometimes the internal speaker begins to make a static noise. The screen also sometimes "fuzzy". If you have any questions about my machine, please tell me as I am desperate enough to get it working again.

Thank you!

Do you know what revision of phones there?

org/wiki/Apple_IIe

Tags: Older Software

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