Overheating CPU? That's a thought. Well, I guess my system is a year old and could use a bit of an overhaul. Thank you very much for the help! -- Darren James Cameron wrote: > On Sat, May 23, 2009 at 09:50:45PM -0400, Darren Landrum wrote: >> Well, I decided to run memtest86, and it locked up during the test. > > Ah, good, that reduces the component set to something quite smaller. > The things I would consider as cause for that are: > > 1. dust in the CPU cooling fins, (I take my systems outside and run a > vacuum cleaning in reverse, with a thin nozzle, and play the air stream > over the various parts of the heatsink), > > 2. non-rotation or slow rotation of the cooling fans, (if the system > has a BIOS sensor display, check that it shows a reasonable rotation of > the fan, typical rotation rates are from 1000 to 3000 RPM, in my > experience, and is fixable by replacing the fan, or cleaning it) > > 3. drying out of the thermal conducting grease between the CPU and the > heatsink, (I recently had to remove and reapply the grease on a Pentium > 4 3GHz desktop at home, symptom was CPU temperature consistently high > and random power downs), > > 4. failing power supply, (I unplug non-essential devices temporarily, > such as hard drive, to lower the average power draw, and see if the > memtest symptom goes away ... I also check the power supply voltages > with a meter), > > 5. corrosion or other damage to the memory DIMM socket or module, (I > wiggle the DIMMs during a memtest, with about the equivalent of up to > 200 gram force ... if the memtest result changes in a cycle with my > wiggling, I know there's damage), > > 6. a specific memory DIMM failed, (remove it, see if memtest > completes). > > Oh, and above all remember to use anti-static procedures, and try not to > unplug or replug things inside the unit while the power is on. > > Static discharge damage is particularly annoying because it typically > happens months after the static discharge happens. The discharge causes > damage which then takes a long time before it begins to make the > component fail. > > So "it works after I zapped it" isn't a reliable method of proving no > damage was done. > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user