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Home » Forums » Forum Archives » Motherboards, Chipsets, Processors, & Memory » Topic # 762

Abit KT7 boot problem
Rubicon May-18-02 04:10 PM
Hi
English isn't my first language so I'll try to be brief.

Current setup:
Abit KT7-Raid motherboard
Duron 650
Geforce 2MX (Asus 7100)
2*128 Mb Ram (Mosel)
JNC 300W power supply


HDs, soundcard and nic have been disconnected.

Problem:
No video signal. Computer starts, fans run
and before I resetted the bios the disks started and it sounded
like a regular boot but no video. PC-speaker is connected, but no beeps.

Background: Computer has worked fine for over a year, had some problems just after I built it but nothing for over a year.
Was gone for a few days and decided to pull the power cord (computer side), a friend had smoke coming out of his powersupply (same type/version etc) so I didn't wan't to take any chances while I was gone. I got back and plugged it back in but wasn't fast enough and for a couple of tents of a second I got that "nasty" sound you get when not entirely connected.

So far:
I've tried most of the stuff in
http://www.viahardware.com/faq/kt7/faqboot.html
esp the things under
"Nothing happens when I try to boot, or only fans start. What's wrong?"
Among other things I've tried

1.Different graphic cards (pci) that works on another board without any success.
2.Changed between my memmory sticks, reseated them etc. If they are fried, both are.
3. Changed the pins the cpu fan ran from to others that aren't rpm monitored. (I have a later version bios that allows the fan to be run from other pins altough I'm unsure if it is the latest version)
4. Tried to run the computer with the moterboard completly out of the casing.
5. Reseated the cpu a couple of times.
6. Resetted the bios a couple of times, even removed the battery over night.
7. Checked the motherboard for signs that it was broken.

I think thats it, I hope I didn't forget anything. If anyone could suggest anything to try or if you know where the problem lies please let me know.
Right now I'm thinking that it is either the motherboard or the powersupply thats fried.

regards
Patrick


1. RE: Abit KT7 boot problem
lbyard May-18-02 10:54 PM
In response to message 0
>Changed the pins the cpu fan ran from to others that aren't rpm monitored.

Why did you do this when you say the fans are running?

Try another monitor. If you donít see anything then, try another power supply. I point at these two items from the clue about the "nasty" sound. Larry


2. RE: Abit KT7 boot problem
Rubicon May-19-02 10:38 AM
In response to message 1
>Why did you do this when you say the fans are running?
According to the faq (linked to in my first post):

"Sometimes an erratic tachometer signal from the fan can crash the BIOS - try moving the fan to header 3 or 4 where the speed is not monitored."
Thought I might try it...

>Try another monitor. If you donít see anything then, try another >power supply. I point at these two items from the clue about >the "nasty" sound. Larry

Monitor works with my old computer. I will try to get a hold of another powersupply to try with. Sorry about the poor description of the sound, a good description really is above my english. But maybe a "low electrical crackling noise" might describe it better.


Thanks for the reply
/Patrick


3. RE: Abit KT7 boot problem
lbyard May-20-02 01:33 PM
In response to message 2
A snapping sound like one would hear if an electrical circuit is shorted and sparks are flying could just be some dust and no permanent damage, but could also be a high-voltage failure in the power supply or monitor, or, less likely, a low voltage failure in another device. Larry

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