On Mon, January 4, 2016 6:08 pm, David Both wrote:
Power supply
On 01/04/2016 07:03 PM, tdukes@palmettoshopper.com wrote:
Hello,
I have an old IBM Netvista. Lately, it would seem to go into sleep mode but I have all that disabled. I would have to power off to wake it up. Now I think its done. I can't even get to the CMOS/BIOS. The power light is on but no beeps or anything spinning up.
I have two of these Netvistas and had put on away when I upgraded one of the machines. I pulled the HD from it and installed it in the other. Same thng. I'm fairly certain it was working when I updraded. I've swapped out monitors as well.
Power supply or hard drive, any ideas?
In my book in the order of likelihood I would list the following:
1. system board (motherboard, meaning the same, but I still consider "motherboard" a jargon ;-) - likely reasons: leaked electrolytic capacitors either filtering BUS leads or around CPU, or microcrack
2. Power supply
3. some dead expansion card - remove all you can and try to boot as minimal amount of metal as you can (swap add-on video card for another if you don't have on board video chip). I would even disconnect whatever cables lead to front (and/or rare) panels - some short in them can cause this too.
4. memory or cpu (main CPU in the socket 0 - the one the things boots on in multi-socket boards) re-seat memory and CPU if you didn't try yet and try to boot again. Try to boot with minimal hardware, only one CPU, minimum RAM.
Good luck!
Valeri
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++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++