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Finished the build today and turned it on.
Back fan comes on - cpu cooler fan comes on for 1-2 secondfs then stops ( I have read this is typical with gigabyte motherboards combined with massive heatsinks)
I cannot reset the computer using the reset button and the on switch at the front doesn't work (I have connected then correctly to the motherboard - (the coloured wire +ve the white wire -ve to the correct pins)
No picture output - I am connecting via DVI ouput on the graphics card to a D-sub adaptor then VGA cable to my old TFT monitor)

Problem is there is no speaker on the Antec Titan Case - so no POST beeps
Basically - I'm stumped
1) Should I buy a cheap internal speaker and connect it to the mobo to examine the beeps first?
2) Try the bog standard Intel heatsink and fan - but perhaps the heatsink is working well and the fan isn't coming on beacuse it isn't needed to lower the temperature - the gigabyte mobo won't turn the fan on if too cool?

strav100 wrote: 1) Should I buy a cheap internal speaker and connect it to the mobo to examine the beeps first?

yes.

Strange...
I built a DP965LT system into a Titan case. Doing it was quite easy following the excellent Intel pictured installation guide. Everything is running ok and with a Scythe Andy / Nexus D12SL-12 fan it is really really silent.

Although this can't be anyhow helpful for you, I have a spare buzzer I removed from the chassis since I was not able to connect it to the DP35DP.
My DP35DP don't beep at all during the post (this and something like a half second too many of black screen after pushing the power button when AC has been off worried me for a moment at the first boot ). I discovered later there's a built in buzzer on board. It beeped at Windows errors (Nlite experiments).

I can guess your mood anyway.

Taking it for granted that the graphic card is correctly placed in its slot and the CPU heatsink is firmly mounted and treated with thermal compound: disconnect everything from the board, but RAM, CPU fan, and graphics, check the PSU and its connections, check the screen, then give it try. If it's the same, try with a different graphic card if you can. If unluckily it won't go yet, you will be sure you have defective hardware (motherboard, or maybe CPU)

I forgot: check the idle fan.

As far as I remember, extreme CPU thermal protection (Thermtrip# signal) usually should turn the power off at all.....but I'm not sure.

...CPU fan however is the last thing I should stop if CPU overheates

Sorry to take long to post - I have just finished doing a dual boot Vista / XP - a bitch to do (Music stuff on XP obviously!)
Sorted it in a couple of hours - only forgot to plug the extra ATX cable for the CPU !!!!

The 4-pin +12V connector?

These things can happen...
Just last night after midnight I finnished building my second pc. Wondered why the BIOS couldn't find the hard disk. It was simple: I had forgotten to connect the HD power cable

that'll do it.

hehe, i had a broken sata cable lately. it was looking ok from the outside, but the hd wasn't found. i was shocked firstly, thought the hd has gone forever, and the last backup was 2 month ago. well, a new sata cable, and all worked well again... and the first thing i did was - guess what - yes, a backup

Cheers

Hehehe. It happens.

Since we're talking about that, does anyone knows why my PSU has twin 4 pin +12V connectors?

Even worst things can happen. Few days ago I was able to reverse connect the molex from the Liberty PSU to a DVD drive in my 2nd machine ; I had to trash the LG unit.
Probably I'm lucky, since the motherboard looks to be still OK.

you can probably join them together to make an 8 pin connector, which some server boards use instead of a 4 pin one.

if i'm right, the 425 W version of my PSU comes with a single 4 pin plug. its power could had been enough for my system, but ...

http://www.anandtech.com/casecoolingpsu ... =3270&p=13

ADDED:
naaa it's 4/8 pin the 425 W too...