Could be the power supply or a heating problem. You can test temperatures and fan speed with the excellent freeware "Speedfan" from http://www.almico.com/speedfan.php. If the CPU overheats it shuts down the pc.
recommended to control noisy fans as well :-) greetings Markus -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bob W Sent: Thursday, March 15, 2007 9:56 PM To: 'Pentax-Discuss Mail List' Subject: RE: Lightroom crashing my PC I'll give that a try - I bought more RAM specially for Lightroom. The system doesn't hang though - it switches off the power. -- Bob > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of John Francis > Sent: 15 March 2007 13:16 > To: Pentax-Discuss Mail List > Subject: Re: Lightroom crashing my PC > > On Wed, Mar 14, 2007 at 09:40:34PM -0400, Mat Maessen wrote: > > On 3/14/07, Bob W <[EMAIL PROTECTED]> wrote: > > > Over the last few days I've had some problems where LR crashes my > > > whole PC. It seems to happen during long-running > processes, such as > > > importing, and uploading to the website. That is, when > the progress > > > > I've seen similar problems in a PC that has a bad memory > DIMM. There's > > a program you can download called memtest86 that can test for it. > > Google for it for details. > > That would be my first thought, too. A memory-intensive application > such as Lightroom will put more stress on your machine in 30 minutes > than you would otherwise see in a week. The reported symptoms are > consistent with that, too; if some of the pageable OS code ends up > in the section of memory with intermittent failures then you could > very well end up with a hung system. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

