Question about Shuttle AV40S Motherboard

4 Answers

No boot...no nothing...I am screwed

I am having a huge problem... I took the heatsink off of my CPU in order to replace it and while it was off, I was on the ground to look inside the case and my foot hit the surge protecter, powering it on. The computer came on for about twenty seconds without the heatsink on the CPU and then shut off. I put the heatsink on properly and then attempted to turn the computer on, but the fans twirled for about half a second and then...nothing. There is a red light on at the top right of the Mobo, but I cannot find out what the light means...HELP!!!

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  • lj386 Apr 13, 2008

    just install the aopen Motherboard Model MX4GVR-GN and it will not power on. I do get a red light on the motherboard itself to come on (standby lights up only). pressing the power on button I get nothing at all. Why? I removed all components and checked the power on button wires-they look fine. what else do i need to do to get this pc up and running?

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4 Answers

You can buy another 754 socket Turion processor on ebay pretty cheap if you fried your CPU. I think my CPU is overheating/overheated, as mine will power on for like 20 to 5 seconds and just shut off.

Posted on Aug 23, 2008

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Pull the cmos battery if nothing posts, put the battery back in after 30 sec., this may help your problem

Posted on Feb 14, 2007

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I guess you have a real problem now! First of all never work on a pc without unplugging the power cord!! so you can avoid an accidental start-up of the pc. If (I think) it's a AMD cpu this can be overheat in very short time when not using the heat sink! Maybe the cpu is DEAD

Posted on Jan 16, 2007

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  • 31 Answers

The red light indicates that that the ATA bus is set up properly, (same goes for many SCSI controller cards). On some mainboards it represents memory modules being under current. If the CPU was and AMD, then it is most likely history. Intel had thermal throttling much earlier, so it most likely is still OK. If your motherboard speaker is present or a functioning one is connected, it should report a dead cpu by a number of beeps. Check the cpu orientation and/or seating. (make sure you did not damage the cpu ceramic core when installing the heatsink -that killes most athlon/duron and P3 socket cpus)

Posted on Nov 30, 2006

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Posted on Jan 02, 2017

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I think your Thermal Paste on the CPU HeatSink might be dry. When this happens it like metal touching metal and the computer shorts out so it can't boot. You need to open the case and you will see 4 screws that hold the cpu heatsink on top of the processor chip. There are lots of videos on Youtube that show you how to replace the thermal paste (sometimes called thermal compound). I'm going to post a link here to one. I normally apply a thin coat of the paste all over the cpu and also on the heatsink. Then I put a coat of the paste in the middle of the cpu just like the video shows. This insures that I have coating all over the cpu and the cpu/heatsink. Don't worry as the video says about letting it dry. Put it on and turn your computer back on and start using it. https://www.youtube.com/watch?v=BQgCUcAAdac
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Unscrew the screws in the back of your case (most have 4-6) Depending on your case, you may only have to pull the screws on the left side (as you look at the PC). Remove the exterior case.

The system fan will be held in place on the back of your PC by 4 smaller screws. Unscrew em, and disconnect it from the power supply. Install the new fan in the opposite order, and call it a day!

If you're replacing the heatsink fan, you may have to get more detailed instructions on the exact fan/heatsink model. Some are screwed in, some are clipped, ect. Just remember: if you do pull the heatsink fan, DO NOT touch the chip, and before you put a new one back on, DO use thermal grease. Nothing more disappointing that replacing it twice because you forgot this step. Good luck.

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Computer wont start(Plz Help me ) Added Much Detail as possiable


start by removing everything, ram, any cards plugged in, drives etc. Then try and boot it. If the issue is still present, shut it down and remove the heatsink and cpu. I have known CPU's to be jolted out of their sockets after an impact. Take the heatsink off, lift the lever and remove the cpu. Check that all the pins are still aligned and straighten any bent pins then refit the cpu and lock the lever down. Refit the heatsink making sure that the heat transfer pad or heatsink paste is still present and lock it down. Plug the power cords and front panel wiring back in and try and boot it. If it boots, shut down and refit each item you removed one at a time, booting in between each item. If the issue arises again, the last item you fitted is the culprit. If you can refit everything and boot the system up, lady luck is with you. If you still cannot get it to boot after refitting the cpu, replace the mainboard. Sorry but without special gear, locating a fault like this on a mainboard is a real pain..

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Heres the fix:

This requires access to the cpu and heatsink, remove the keyboard and palmrest to access the motherboard, I think you have to remove the screen too. Remove the heatsink and cpu. Reseat the cpu, heres the kicker, press firmly on the center of the cpu while turning the locking screw. Pressing the cpu hard, allows the locking mechinism to get a good bite. Turn the locking screw hard into the end of the turn. Hook up the heatsink and set it back on top of the cpu. Press down on the heatsink over the cpu, fairly strong pressure.

Now test the motherboard, use just cpu, heatsink, memory, power button board and cable and external monitor, you can use your screen instead by just hooking up the cable to motherboard, leave the screen laying flat on the table. Now push the power button with one hand and the other is still applying pressure to the heatsink, no you dont need to screw it down yet. Keep reseating the cpu with varying degrees of pressure if you dont get it go the first time.
The trick will be to get it all assembled with the same results.
There seems to be a problem with the cpu seating correctly, it must come loose and the laptops exhibit the symtoms of no video. It might even be neccessary to insert a wafer thin piece of copper or something in between the cpu and heatsink if the heatsink doesnt apply enough pressure to cpu to keep it seated deep enough to run the computer.

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Salvage what you can and build or have someone build you a clone.

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