JamesH Posted December 23, 2020 Share Posted December 23, 2020 (edited) Bought a new addition to my classic computer collection, the requisite Commodore 64. It appears to be almost fully functional, boots and BASIC is there. However it refuses to boot with a cartridge inserted. Anyone encountered this problem before? My initial guess is stress on the connector cracked the solder connections over the years of inserting and removing cartridges. Edited December 23, 2020 by JamesH Quote Link to comment Share on other sites More sharing options...
+evg2000 Posted December 23, 2020 Share Posted December 23, 2020 did you clean the cart edge connector and the cart slot? Quote Link to comment Share on other sites More sharing options...
JamesH Posted December 28, 2020 Author Share Posted December 28, 2020 Seems to have resolved in an odd way. I ordered a KeeLog.com aftermarket PSU and I tried the cartridges with the new PSU and they worked fine. Coincidence or voltages problem? The KeeLog.com PSU is quite advanced, with a small OLED display with details about power usage by the computer. Has my recommendation. Quote Link to comment Share on other sites More sharing options...
motrucker Posted January 24, 2021 Share Posted January 24, 2021 My only objection to the KeeLog PSU for the C-64 is it isn't powerful enough to run an REU. It's a shame they don't make a more powerful model. Quote Link to comment Share on other sites More sharing options...
eightbit Posted January 24, 2021 Share Posted January 24, 2021 I stick to Ray Carlsen power supplies. Never an issue with anything..ever Quote Link to comment Share on other sites More sharing options...
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