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Kistaro Windrider, Reptillian Situation Assessor

Unfortunately, I Really Am That Nerdy

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This is why I have two computers and an extended warranty
a look of abject horror, yikes
So after I made my last post, I spent a while diddling around more on the Internet (mostly reading the design history of Chrononauts from http://www.looneylabs.com), then told my computer to shut down and went to bed. I woke up a little bit ago, an idea for an Icehouse game bouncing around in my head, and grabbed my PDA to jot down notes on the idea. Looking across the room to where my desktop computer has been set up, I noticed the power light was still on, so I powered on the monitors to see what was going on.

Of all the Stop errors Windows can show, *** HARDWARE FAILURE *** is probably the worst one.

*** Hardware Failure
Memory parity check failed.
Call your hardware manufacturer.

*** The system has halted ***

So I'm currently running a full comprehensive multi-pass memory test (courtesy of System Rescue CD) on the computer, trying to figure out if it's a hard failure or a soft failure (the computer had been running for over a day straight in a warm room, but not warm enough to overheat), and if so exactly which DIMM needs to be fixed. Meanwhile, I'm glad I've got my school files all on this computer, my SD card, one of my USB sticks, and an external hard drive, I've got an extended warranty on that computer, and I've got my Tablet PC to use in the interim.

I've been in the case of that computer so many times, though, I'm not entirely sure if they'll still honor the warranty. (It's one of those computers designed for easy upgrades- it's got release buttons to open the case without a screwdriver, footpads on the side to set it down gently easily, a catch to hold the case open, latches holding down all the components so almost nothing standard to modify requires a screwdriver, etc.) At least if I can pin down which memory chip has blown- assuming it's a reliable hardware failure- I'll be able to fix it just with new RAM... and probably more of it, now that I'm using Photoshop. I wasn't really budgeting for it, though- oh well, bad luck is like that.

The memory test didn't find anything on the first pass, but I've switched it into super-comprehensive mode now, trying to recreate the chance it will reproduce the failure. I guess I'll just go back to sleep and let it run- I'm pretty sure MemTest86+ will cheerfully run until I tell it to stop, so if it's a problem that requires the computer to run for a wihle, that'll give it a chance.

And if I can't recreate the problem, what can cause a transitory memory parity check failure while shutting down Windows, when the computer had before shutdown been running as well as usual?

**edited to add**
Well, that would explain it. Note to self: Before assuming that the part that claimed to fail actually failed, assume that the recently-added hardware (there's no network cable up to my room- it looks like "300 feet of cat5" is on my shopping list now) is the actual source of the problem.

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I suppose it's possible that some fluke occured which flipped a bit causing the failure that is not a permanent sort of thing. I don't know that such is all that plausible given computers' love of dying in strange ways.

I suggest (quite probably unnecessarily given that you're even better about backing things up than I am) that anything which you do not already have backed up get copied elsewhere if you get the thing to turn on. I had a hard drive crash by causing all sorts of strange errors that didn't always look like they had anything to do with the hard drive and just made it sometimes take me an hour or more to get the silly computer to turn on. It makes me look suspiciously at Stop errors.

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