A1200 Pointer Corruption

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Hi all,

I have some dodgy pointer corruption occuring with my mouse pointer, even in the ESM... when the pointer is near the top of the screen a garbled pointer image is repeated down the screen.

Any ideas?

I've just installed a CF card as a HDD in my A1200; could that have something to do with it?

I'll try and get an image of the corruption tonight.

TIA
Daniel

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ESM = Early Startup Menu.

There's nothing else inside, just a bog standard Commodore A1200 which I purchased on eBay. I've never noticed the pointer before at the same time, I never used it with a hard drive; just for games.

I'll have a good look inside tonight, and take a shot of the screen. I'll do it with my camera so I can get the corruption.

The CF card was installed from scratch by myself, using a StarTech adapter and a blank 4Gb Transcend CF card.

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Bit of an update... the corruption only occurs when the machine has warmed up. It doesn't happen at all when first switched on.

I've managed to take a photo of the corruption on my phone to better explain what's going on...



As you can see, this only happens when I drag an icon around on the screen, or like I said when I'm in the ESM.

Any ideas or should I just ebay another A1200?

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*BUMP*

Anyone seen this type of corruption before and if so, what to do to fix it?

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Just an update for the people who posted suggestions etc.

I have fitted three RAM heat sinks onto the Lisa chip and moved the CF adapter to another location in the case and everything seems to be back to normal. I had it runninlg for a couple of hours last night and couldn't replicate the corruption so I guess I can call that fixed now.

Thanks for help everyone!

Daniel