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Dell Precision M65 Quadro FX 350M uncommanded shutdowns

post #1 of 7
Thread Starter 
SOLVED: Precision Motherboard P/N YY715 Requires Heatsink P/N YD866 for systems with Discrete Graphics (NVS 110m, NVS 120m, and FX 350m)

My Dell Precision m65 with T7200 and Nvidia Quadro FX 350M shuts down at random times (during boot, bios setup, within windows.) *Does not matter whether system is using battery or AC, or does not have battery installed. Same symptoms while using dock station.

System Specs:
Processor: Intel Core 2 Duo @2Ghz T7200
Graphics: Quadro FX 350M
Ram: 2gb
Display: WXSGA+ 1680 x 1050
HDD: 80gb Seagate

All drivers and bios are up to date per dell website.
Although I feel this is either a motherboard bios, vga bios or hardware issue since problem occurs within bios as well.

This is an OEM replacement motherboard, that I installed yesterday, initially I suspected it was the processor that was overheating due to bad Heat sink alignment or thermal paste. However I have been able to run Everest's System Stress Tool, for over 8hrs @ 100% cpu load, I monitored the temps and they never exceeded 65C for each core averaged around 62C. System never shutdown during this test.

I have run MEMTESTx86 and each 1gb dimm passed.

I am suspecting it is the VGA (Quadro FX 350M), I booted into the dell diagnostic test, and ran the extended test, I get a repeatable shutdown when the test runs the Video Memory test.

What is troubling me is the sustem will run for hours under normal use (Browser, Word Proccessor etc.) and then just shutdown.

Any help would be of assistance.

System is not under warranty so that is not an option.
post #2 of 7
Odds are this is going to be a problem until you replace the video card. If you can't obtain a FX350M for a reasonable price, the Radeon X600 should work without a problem (you may have to switch to a D810 BIOS if possible, not 100% sure)
post #3 of 7
Thread Starter 
I solved the issue discrete heatsink was required.

The Nvidia FX 350M is soldered on to the mainboard, therfore is not replaceable, unless you replace the entire motherboard.
post #4 of 7
I'm sorry, I got your system confused with the Precision M70. Color me stupid. I should have known better since my D820 is the EXACT SAME SYSTEM.

And I'm assuming what you did was upgrade an integrated graphics D820 to an M65, or you cobbled together an M65 out of assorted parts. But yes, the heatsinks are different between the Intel IGP systems and the ones with discrete GPU. In fact I had to fix one tech's mistake where he put a D830 motherboard in an M6300 and the M6300's board in a D830 with Intel IGP. Bet he REALLY wondered why those systems wouldn't work.
post #5 of 7
Thread Starter 
Yeah, I was making a M65 out of 2 partial systems, and I never realized there were two heatsinks. I should have known seeing as I have opened up my D820 with a NVS 120m numerous times. Regardless I have a new Discrete Heat-sink on order.

Hopefully the FX 350M is no worse for wear, having run without a heat-sink. I guess I will find out when I receive the Discrete Heatsink PN
YD866.
post #6 of 7
Most of these newer chips have built-in thermal protection to keep them from completely combusting. I know Intel's had it on their CPU's going back to the socket 370 Pentium III's. You have not done any permanent damage to it, but it's hard to say with these mobile video chips.
post #7 of 7
Thread Starter 
I just installed the new heat-sink, and it is running great. But I guess time will tell.
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