.308 o/s
General Category => PC Upgrade and Repair => Topic started by: HokieLoki on May 16, 2011, 12:59:15 PM
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This is a copy of my post from EggXpert.com. Thought I'd put it here too, in case anyone might have an opinion.
I recently built a computer for my boss with parts all purchased from newegg.
Lately the computer has been having some issues that I believe are related to the PSU. When I turn the computer on, the fans start up, all the LEDs come on, then after about 3 seconds from hitting the power button, everything shuts off. Now normally I can sit there after it shuts off like this and wait and suddenly it will just spring to life on its own after about 20 seconds without my hitting any buttons at all, just waiting. This works sometimes, but now very recently the newest thing is even if it boots up just fine, I can be in the middle of doing something a mere 5 minutes after boot when suddenly it just turns off, as if it suddenly lost power.
I have it plugged in to the wall, not a battery backup or power strip. I want to think it's the PSU because that would be convenient, but I have a hard time believing that because of its ability to turn on after a few minutes on its own. I have called Corsair and they agree that it could be their PSU, but it could also be the MOBO.
My knowledge of computers is not exactly greatly vast, so I am hoping someone who understands this all better than I do can help.
Thanks for any help.
System Specs
Budget: $1500.00
GPU: 1 x XFX HD-585X-ZAFC Radeon HD 5850 1GB 256-bit GDDR5 PCI Ex
Monitor: NEC MultiSync PA241W connect via Display Port Cable
MB: 1 x ASUS M4A78T-E AM3 AMD 790GX HDMI ATX AMD Motherboard
OS: Windows 7 Enterprise 64 bit
Browser: Google Chrome
CPU: 1 x AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz Socke
Sound: 1 x Creative Sound Blaster X-Fi Titanium Fatal1ty Profession
Memory: 1 x G.SKILL Ripjaws Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM
PSU: 1 x CORSAIR Enthusiast Series CMPSU-850TX 850W ATX12V v2.2
HD: 1 x Western Digital Caviar Green WD20EARS 2TB SATA 3.0Gb/s 3
Cooling: Stock CPU fan
Misc: Second Monitor, Samsung SyncMaster 930B via Analog cable
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Sounds very PSU related but damn could be your gpu as well. Here is one way to know for sure,I have this tool and it has saved my butt on a few occasions. If you dont have Micro center near you I'm sure you can google the tool and find it else where. Good luck let us know how it turns out.
http://www.microcenter.com/single_product_results.phtml?product_id=0341753 (http://www.microcenter.com/single_product_results.phtml?product_id=0341753)
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If Adam doesn't mind (next time you have your battlestations together), try Adam's Zalman PSU in your rig. If you get the same behavior, it's the mobo (or something on the mobo). If not, it's the PSU (and Corsair is very good with RMAs).
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16GB? holy crap, that's the same amount of ram my VMWare ESX machine has, and that runs 5 linux servers!
Although bad ram shouldn't cause your machine to shut down. What if you pull out the video card and turn the machine on a couple times. Same behavior or does it stay on? OBviously you won't post as there is no video bus, but just curious if the power will hold. That PSU should come with 4 video card molex adapters, have you tried the other set of two as opposed to what you have in the video card now?
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Not for what we use: Nagios, MRTG/Cacti, DNS/Bind, NFS file sharing server, Server 2008 box (just for testing compatibility). We make transport stream video playback servers for cable companies. We have under 50 employees, so internal infrastructure is light. The external facing servers we have aren't virtualized, just internal infrastructure. Ubuntu server and CentOS seem to need much less ram than MS2008 to run effectively (although I am fan of both linux and windows - I think each have their specific applications where they excel). That's a lot of ram for your machines! Are you running SQL and ERP apps?
I used to work for Mellon Bank back in the day, and they threw mad hardware at every app (which, of course, they needed with 25K employees and millions of users). The Oracle backbone boxes were a couple mil each.