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Geek Culture / Help! EPIC computer fail

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Squelchy Tom
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Posted: 9th Sep 2008 23:46 Edited at: 10th Sep 2008 23:30
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NW EPIC PROBLEM :< see last post :{




well, some of you saw it coming... anyways, just put the upgrades in, 8gig ram, new mobo and geforce9800x


First problem was that my psu did not have a 6 pin connector that i needed for the graphics card which was a bitch. At the moment i have my old asus something or other graphics card. The main problem i am having is that the computer will start up, work for about 10-30 seconds then turn off. At first i thourght it was because i did not install the mobo's drivers. Tried that, soon as i put the disc in it turned off. Totally impossible.

I am running windows vista home premium 64bit
segate 350g HD
8gb Crucial 800mhz ram (In 2 gb sticks)
geforce9800 SC (Not in atm)
ASUS P5N-D motherboard.
Some no-name soundcard and networking card
900w PSU

I have checked all the wires, everything is where it is meant to be, this is my second pc build (more of an upgrade, but seing as i had to replace the motherboard it was a bit difficult). I cant find the problem :< any help?
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NeX the Fairly Fast Ferret
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Posted: 9th Sep 2008 23:51
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Sounds like an overheat to me.

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Squelchy Tom
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Posted: 10th Sep 2008 00:00
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I was a bit nervous when moving the processer from one mobo to the other, the manual says when the processor has thermal paste applied dont put any on yourself. However its all thinned out and crusty, should putting some on solve the problem?

What else could be overheating:/
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RalphY
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Posted: 10th Sep 2008 00:07
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You need to clean the old thermal paste off and apply apply a new layer. Without a layer of thermal paste the heat-sink wont be effective at dissipating heat from the processor.

A new layer (so long as you clean the old stuff off first!) should solve the problem assuming you haven't already permanently damaged the CPU.

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Squelchy Tom
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Posted: 10th Sep 2008 00:16
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i still cant understand how it could get so hot in under 10 seconds
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NeX the Fairly Fast Ferret
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Posted: 10th Sep 2008 00:24
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You don't understand? Most CPUs use about 40W of power. Light bulbs, about 60W-80W. Touch a light bulb, it burns.

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Diggsey
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Posted: 10th Sep 2008 00:41
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Sounds like the power supply

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James H
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Posted: 10th Sep 2008 00:45 Edited at: 10th Sep 2008 00:47
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What RalphY and NeX the Fairly Fast Ferret said - on the assumption you have not altered default bios settings.
In addition to this, your graphics card should have come with a connector that converts from two of the standard 4 pin connectors to one 6 pin connector(4 pin like for your drives, not 4 pin cpu pwr conector - 8 pin in some cases, which should come with psu). Check the box if you haven`t already, though I`m guessing you already have.

Edit - is your heatsink for cpu hot to touch straight after it cuts out? If so then its probably the grease or a bios setting, if not then is your psu hot?
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ionstream
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Posted: 10th Sep 2008 01:05
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Are there beeping sounds when it shuts off? Are any lights on? If so then I'd say it's overheating. If it's not though, then its most likely the power supply. My parents had a similar problem, and 2 motherboards and 2 CPU's later I find out it was the power supply :/ .

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spooky
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Posted: 10th Sep 2008 01:23
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I agree with RalphY, when you move processors from one pc to another you are forced to remove the heat sink and fan first which ruins the thermal paste seal. Clean off the old paste, buy some new stuff, like arctic silver (don't buy cheap and nasty stuff), apply that and everything should be ok. A little tube of arctic silver only costs a few pounds and you only need about a very small portion of that.

Processors heat up incedibly fast and without thermal paste and a good heat sink and fan will overheat within a few seconds and the bios settings will force a shutdown.

If you want to see if it is an overheat problem, boot up and quickly go into bios and goto the fan and temperature page and see if the realtime cpu temp rapidly increases.

Boo!
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_Nemesis_
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Posted: 10th Sep 2008 02:02 Edited at: 10th Sep 2008 02:03
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As others have said above, definitely sounds like overheating to me. Go into the BIOS and take a look at the CPU temp (it's usually down under PC Health).

I've found Socket 775 CPU heatsinks can sometimes appear to be secure on the board when they're not and that CPU temp rockets up. Give your heatsink a tug and see if any of the clips break away from the board. When putting it on, you need to really push quite hard and if you can't push all 4 down at once, push them down in diagonal pairs.

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JoelJ
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Posted: 10th Sep 2008 03:01
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Quote: "i still cant understand how it could get so hot in under 10 seconds "

I have a friend who burned a Processor out in just a few seconds because he wanted to see if something worked and didn't bother putting a fan on because it was just a few seconds.


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Agent Dink
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Posted: 10th Sep 2008 04:37
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Yeah, they heat up fast. I booted up a PC once without a fan or heatsink on it just to go into the bios real fast (fan wasn't working, but I guess the heatsink does more than I thought, even without a fan!)

Well anyhow, within about 3 seconds the processor started smoking! I shut it off as soon as I saw the smoke. Amazingly it's perfectly fine still. Been working for a few years since then.

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Phaelax
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Posted: 10th Sep 2008 05:03
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What can heat do to a processor? Just watch this video to see what happens if you overclock (increase voltage) to a cpu without a heatsink:
http://video.google.com/videoplay?docid=5393904704265757054


Make sure to carefully scrape off the existing compound before reapplying the thermal paste. They say not to touch the paste I think mainly due to the oils in your skin.

And 900w is rather excessive. What brand? Believe it or not, the brand of PSU is quite important, don't try to save money here. I recommend Antec without a doubt. I'm currently using SeaSonic, which I've read builds Antec's PSUs, and I must say I'm impressed with the seasonic. It's completely silent.


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Squelchy Tom
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Posted: 10th Sep 2008 22:52 Edited at: 10th Sep 2008 23:02
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Thanks for the help, turns out it was overheating. Got some paste and replaced the old crusty stuff. Now it turns on, and stays on The graphics card problem i will need to get a new psu which shouldent be too much hastle, will just use old one till then.

New problem however, it starts up, gets to windows loading then restarts. Then asks me something about new hardware and to start normally or in safe mode etc. To solve the prob tells me to run my win install cd. It wont load the damn disc, ignores it like its not even there. I can get into bios fine, i have the cd in primary ide and cd in slave, HD in sata one, is that all right?

This damn restarty buisness is getting on my nerves, how can i fix this problem :<

thanks again for the help :/

Edit: Found the temp monitor. The mobo is running at 36c and the processor around 46c - This is after i cleaned and reapplied new thermal paste. Is this ok for a quad core that is basically idle i suppose :/
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RalphY
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Posted: 11th Sep 2008 00:26
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Those temperatures look fine.

Quote: "i have the cd in primary ide and cd in slave, HD in sata one, is that all right?"

I'm slightly confused, you have two IDE CD drives, one set as master and one as slave? You will need to find the boot order in your BIOS and set the CD drive with the disc in as the first boot device.

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Squelchy Tom
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Posted: 11th Sep 2008 00:31
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I have spent ages trying to change the order of ANYTHING

As it stands it looks a bit like this:

Primary IDE master: " " Dvd-rw
Primary IDE slave: " " Cd drive
Sata 1: adse123a2 Harddrive
Sata 2: none
Sata 3: none
Sata 4: none

I have been trying to make the HD primary IDE, or atleast the dvd drive, thinking that if thats primary i might be able to pop in my vista dvd to attempt that repair thing it is on about.
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Mahoney
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Posted: 11th Sep 2008 00:34
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Quote: "I have been trying to make the HD primary IDE, or atleast the dvd drive, thinking that if thats primary i might be able to pop in my vista dvd to attempt that repair thing it is on about. "


Being primary doesn't make it the first in boot priority. Find the boot priority menu.

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RalphY
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Posted: 11th Sep 2008 00:45 Edited at: 11th Sep 2008 00:47
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You can't make the HDD primary IDE if it's SATA, SATA and IDE refer to the type of connections . You need to go to the boot menu, then select Boot Device Priority, then make sure the 1st boot device is set as whatever you want to boot from (in this case the DVD-RW I take it?).

[Edit] It may not give you the option to select which specific drive, in this case select CDROM.

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Squelchy Tom
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Posted: 11th Sep 2008 20:53
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Cant run vista installation on cd as it is a dvd. However vista is allready installed on the HD so i dont know why it restarting and asking me to do all this.

Google came up with countless numbers of problems and solutions with the restart issue but none of them have yet to work.
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RalphY
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Posted: 12th Sep 2008 00:24 Edited at: 12th Sep 2008 00:27
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Once you select CDROM in the boot menu it should give you the option to select which drive, then select your DVD drive. I'm getting this from the instruction manual for your motherboard (as obviously these things can vary from vendor to vendor).

http://support.asus.com/ you can grab a copy of the instruction manual there if you don't have a physical copy.

Vista is probably asking you for the install disc as you have changed the hardware on which it is running. Vista needs to update your install to run with the new hardware (the repair install option should do this).

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Sid Sinister
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Posted: 12th Sep 2008 18:53
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Quote: "What can heat do to a processor? Just watch this video to see what happens if you overclock (increase voltage) to a cpu without a heatsink:
http://video.google.com/videoplay?docid=5393904704265757054
"


The accents made that so much better. I like when they look over the motherboard and they are like omg! there is a hole! lol.

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-Computer Animation Major @Baker.edu-
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