Uploaded July 2025 | Updated September 2026, 1 week ago
With thanks to this episodes sponsor pcbway.com
I plugged this computer in to test a screen and it was still faulty! Again!
This time an upper memory fault with the Retroleum diagnostics pointed to IC25 or IC26 as the problem. But are they?
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With thanks to this episodes sponsor pcbway.com
I plugged this computer in to test a screen and it was still faulty! Again!
This time an upper memory fault with the Retroleum diagnostics pointed to IC25 or IC26 as the problem. But are they?
**NEW**
Patreon
patreon.com/morefunmakingit
MAIN CHANNEL!
youtube.com/@MoreFunRetro
BlueSky
https://bsky.app/profile/morefunmakingit.bsky.social
Ko-fi page
ko-fi.com/morefunmakingit
Amazon Wishlist
amazon.co.uk/hz/wishlist/ls/I5EGNMXIW5PC?ref_=wl_share
Discord Channel
discord.gg/5fmPMzU
More Fun Website
morefunmakingit.co.uk
facebook.com/MoreFunMakingIt


![Fixing Commodore Keyboards with a Workpro Screwdriver
WORKPRO Screwdriver Set:
https://amzn.to/46AKLph (Affiliate)
In this episode of More Fun Fixing It, we dive into the meticulous process of restoring Commodore 64 keyboards. Dealing with a batch of six keyboards spawned from five restored cases, I test each one to identify non-responsive keys and common issues like flaky space bars and sticky home keys.
Watch as I demonstrate a full teardown, including the removal of the shift lock wires and those tiny brass screws that are the bane of every restorers life. This project also serves as the perfect field test for the WorkPro 3.7V electric precision screwdriver, which helps speed up the tedious process of removing dozens of fasteners.
Key highlights include:
- A destructive experiment to prove that C64 rubber pads are graphite-impregnated all the way through, meaning they can be safely cleaned with abrasives like sandpaper.
- cleaning gold contact PCBs using isopropyl alcohol and nano sponges.
- Tips on checking solder joints and reassembling the keyboard.
Keyboard testing software:
CRL Joystick and Keyboard Test and Diagnostics [2021]
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