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After almost a year of working wonderfully, my home computer has suddenly stopped. I thought it was a thermal issue: from cold I could login and even maybe start firefox before it would freeze (screen became static, network died, etc.) but if I rebooted after that it would stop much earlier. Today it has become much more consistent: booting recovery (verbose) mode always gets up through: "[xxx] devtmpfs: initialized" and then hangs.

Things that work:

memtest86+ runs fine and reports no errors.
Grub always loads and stays loaded fine.
A Debian 32bit install (rescue) disk loaded and did not crash.

Things that don't work:

64bit Debian install on the main HD
A 64bit Debian install disk I burned today did not load past the menu.

Could the debian amd64 bit kernel not be correctly built for my computer? Any advice would be much appreciated!

System:

MB: MSI 890FXA-GD70
CPU: AMD FX 8120
RAM: Kingston
HyperX 2x4GB
VID: EVGA GTX550Ti
Root HD: OCZ 30GB SATA II SSD

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It's definitely a hardware problem and you'll need to weed through the logs to really know. IMHO, time to buy a $300 new PC and move your HDD over to it. When a "works everyday linux computer" stops working, it's the hardware. –  Chris K Mar 19 '13 at 20:19
    
Though I agree with @ChrisK, try booting the 32 bit CD and look at the logs, specifically /var/log/kern.log,/var/log/boot,/var/log/pm-powersave.log and /var/log/syslog. Update your question with any new info and we'll see what we can do. –  terdon Mar 19 '13 at 21:29
    
Open it up, check for excess dust and duff fans. –  Tog Mar 28 '13 at 9:39
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