Since these systems come with Core Duo processors, I think they should also support some of the first gen Core 2 Duo mobile chips (I’m thinking like the T7200). Those chips support 64 bit and should be pretty cheap to come by, if you’re willing to do some surgery on the laptop.
I am interested in trying out the journal app. I’ve used several different apps in the past that are mental health focused, such as Daylio and Finch. Although the journal app doesn’t replace them, it may work better just for dumping my thoughts.
That is a processor with some very dried-out looking thermal compound on it. I had to deal with a similar situation today on a machine I was working on.
I hope you get to go home soon and that you recover quickly!
I’ve had a Brother laser printer for years now, never given me any issues.