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Re: [LUG] building a PC

 

Mark wrote:

On Thursday 20 April 2006 10:15, Tony Sumner wrote:
I've been slow to post recently because so often I find I write in
haste and then find I've said something really stupid. So it goes, but
I'm afraid I need some help with this. I am building a desktop,
starting with a smart new Biostar NF4ST-A9 mobo and Athlon 64 CPU.
I've built several before but not this combination. I put the CPU in,
with two strips of memory, small HDD and a floppy drive and switched
on, just to check that the BIOS was working, and nothing happens. The
pwr and hdd leds come on and the fans go round but nothing else. No
floppy led, no beeps and nothing on the monitor. I've tried with a
different monitor. Also the power switch will not turn it off. What
should happen I think is that the BIOS should test the memeory and
report on the IDE discs. I am not too well up in what goes on at
startup so my question is: does this indicate that the processor is
not working? Is there another possible explanation? If the BIOS is ok
does it need the processor to send out signals via the speaker, the
floppy led and the monitor? Are there some more checks I can do?

Tony Sumner

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On the 64 bit mobos, there are 2 main PSU to mobo power plugs - one is the long one which is common to all ATX systems, the other is usually a 4 pin one. If the 4 pin one is not plugged in, it will fail to work. On a really new system I helped build a few days ago, there seemed to be nowhere to plug in the 4 pin connector - and as a result, the machine ran as you describe - lights, fans, but no life shown on monitor, no beeps ,,,,, it also failed to turn off.No floppy fitted, so cannot comment on that. Sounds like exactly the same issue. This had a pci express radeon card fitted too - which again lights came on, fans turned - but nothing else. The latest boards have a 6 pin connector socket sat on them - and you need an adaptor unless you have the very latest CPU. I would look at the board and see if you have a 4 pin power connector (grey block type) which is not connected up, or, as mentioned on latest boards, a 6 pin one. I can ask the guy who built it where he got the adapter if it will help - it was only a few quid and from what we thought was a duff graphics card or something, he now has a great PC.

Mark

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Hi Mark,
I am having the same problem, am useing a ECS 755-A2 with a sempron 64bit that came ready installed and I too put in the RAM sticks Hard disk and video card, turned on and nothing, well it pwered up but I got nothing on screen! I checked the card and RAM on another system and all was working fine... so it is going back. Most annoying as it only arrived yesterday!!!!

Bill

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