Resurrecting an old PC - no GUI

Soldato
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For a giggle I decided at the weekend to try and bring an old machine back to life. It's an old MSI K9A2 Platinum with an Athlon XP Dual Core Processor.

As the motherboard has been sat gathering dust for (a number of) years, I got my trusty paintbrush and some compressed air for the heatsink and set to work cleaning it up. I also cleaned the heatsink & processor and applied some new thermal paste. So far, so good. I also had an old OCZ PSU (400 or 450 watts - can't remember which at this second) that I dusted off.

After putting it all together in a not-expensive midi tower and adding a HIS HD 5670 GPU I tried booting it (I've also tried a couple of other spare GPUs I had loafing around). Everything sounds like it's coming on but I can't get anything to display on screen. I've tried two different monitors, both of which I use for work, and both an HDMI and VGA cable to rule that out. No difference. All the connected fans spin up (rear case, PSU, heatsink).

I've also tested the PSU with my Thermaltake ATX PSU Tester and all results are that it's working. The one other interesting thing of note is that, after switching the PC on, when I turn it off I can't turn it back on again unless I cut the power to the PSU (until the motherboard light goes out) and thwn switch it back on again. If I switch the PC on and leave it, it all just sits there humming quietly but other than that shows no signs of POSTing.

There are a couple of lights on the motherboard which I've circled in the below picture as it's not very clear with the camera flash. There is a white and green light to the right of the memory slots by the two pots, and there's another green one (which seems to denote power is getting to the board) above the PCIe slots.



I'm currently stumped, so any suggestions welcome to help get it going or work out whether the board is duff.
 
Check jumpers aren't set to clear CMOS as some old boards would just sit there until you put them (jumper) back to off.
Also. I don't see any onboard sounder, check memory one by one.
 
It's probably a case of the gpu being too "new" and not being compatible with the motherboard. It's usually fixed by flashing to a newer bios but that's probably not a option. It's far from uncommon and even happens with current gen motherboards from time to time. It happened with Z77 motherboards (especially Gigabyte ones for some reason) when they were the current gen. Nvidia and AMD launched new gpu's and many people who bought them were welcomed to black screens on startup. A plethora of hastily updated bios releases later and the problems were fixed.
 
Thanks both.

Check jumpers aren't set to clear CMOS as some old boards would just sit there until you put them (jumper) back to off.
Also. I don't see any onboard sounder, check memory one by one.

As it happens I did check the CMOS jumper and have tried in both positions to be sure. In one position (clear) it boots and you can't turn it off without unplugging the power. In the other (normal) position the results are as my first post.

I did also take out all the DIMMs and just put one in and still had the same result. I haven't tested all of them individually yet.

It's probably a case of the gpu being too "new" and not being compatible with the motherboard. It's usually fixed by flashing to a newer bios but that's probably not a option. It's far from uncommon and even happens with current gen motherboards from time to time. It happened with Z77 motherboards (especially Gigabyte ones for some reason) when they were the current gen. Nvidia and AMD launched new gpu's and many people who bought them were welcomed to black screens on startup. A plethora of hastily updated bios releases later and the problems were fixed.

I think my GF9800GT is probably the oldest card I've got and that one doesn't give me a GUI either. I may have a fanless low power AMD or NVIDIA card in the shed that I used to use for a HTPC. I will have to check tomorrow, though I'm not sure offhand how old it is so may have the same issue.
 
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Next, I'd probably check voltage is making it to jpw1 bottom left, should be the CPU power supply should be 12v from two pins, others are ground.
Check the processor legs for bends. Seems obvious but seen it done before....years ago :D. Much beyond that and front panel pinouts being correct, it's looking like something has an actual fault rather than needing adjusted.
 
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This morning I grabbed the only other graphics card that might stand a chance, which is a Asus EAH4350 Silent/DI/512MD2 which harks from around 2009 from a quick search. Sadly there was no change to my previous posts. I've also now tried every DIMM individually in slot 1 and took the CPU out to check the pins, all to no avail unfortunately as it looks fine as far as I can see.



I also took some wobbly camera shots of my PSU tester:



I'm getting the feeling I may be out of luck with this particular motherboard, which is a shame.
 
You replaced the CMOS battery? Seen boards fail to boot with a flat battery, some don't care. Heard of bios chips getting corrupt over time.
 
Classic motherboard.... quad SLI days

Sounds crude buy may be socket / slot oxidation.

With the socket lever closed, carefully raise the cpu a couple of mm at each corner then push back in .... repeat.
Small jewellery screwdriver may help depending how rough you want to be.
 
I had a quick go at raising the CPU but wasn't overly confident on that but couldn't seem to get any leverage under the processor and didn't want to break it so gave up fairly quickly. I can now confirm though that the PSU definitely works as I dug out an equally ancient Foxconn G41MX, plugged all the cables in and it booted straight away with yet another graphics card I found hidden in a box (NX6600-TD256E). I then tried that card in the MSI board but that didn't work either.

One thing I did notice from trying the Foxconn board which I hadn't really spotted was that the power LED lit up really brightly with the Foxconn but doesn't do anything on the MSI board. I've now tried pulling all the panel indicators out and reinserting them in a variety of combinations but the LEDs never light up.
 
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