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Old ASUS Motherboard Won't Boot/No Signal

January 11, 2021 at 22:00:03
Specs: N/A
Beginner putting together my first computer. I just bought an ASUS P5G41T-M LX and it won't boot or post. I read online that I need to use 800MHz RAM to get it to boot then setting the bios fsb to 333 so the dram will allow the use of the 1333 MHz memory.

Any truth to this? Could this be a driver issue or bios problem? Or is there something I'm missing? Any help would be greatly appreciated!

CPU - Intel SLACR Core 2 Quad Q6600
RAM - KINGSTON KVR 1333 DDR3 2x4GB

Also, my keyboard doesn't light up when the system is turned on.


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#1
January 12, 2021 at 01:36:44
Too many issues, could be anything.
You need to read the manual, usually on the CD.
Or, get it here.
https://www.asus.com/us/Motherboard...

message edited by Johnw


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#2
January 12, 2021 at 03:04:53
Which psu are you using - make and model?

As per Johnw, use the manual and carefully check that you have correct connections in all places. Also without a hard drive, it ought to boot ok regardless.

And for me, logically I would build a system to work first without any over clocking or customisation above the basic settings. Once it was working OK then I’d consider customising it further.

Not that it happens often, but it’s not unknown for motherboard to be faulty on arrival, likewise a psu.

I note you describe the board is “old” which I presume means it’s not a current one; possibly even used/second hand? If used... then it may well be one that was rejected by previous owner as faulty?o

Do you have a test meter and do you know how to use it?

message edited by trvlr


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#3
January 12, 2021 at 18:55:27
I've been reading through a PDF version of the manual but still no luck. As the for the PSU I'm using a 400W EVGA 100-N1-0400-L1.

Regarding the mother board it's second hand; I bought it off eBay the seller claimed that it was tested, and will work.

I don't have a test meter although I'll look into getting one. I'm not sure if this matters or important but when I press the power button on my case all the fans turn on, the lights turn on, the PSU fan turns on, I can feel heat coming off the CPU, and there's a little light on the motherboard indicating that there's power.


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Related Solutions

#4
January 12, 2021 at 19:14:12
Ok, take the ram out & reboot.
Do you get any beeps?

message edited by Johnw


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#5
January 12, 2021 at 19:24:34
Ok, just did that. No beeps. I also tried booting with one stick of ram and changing out the sticks to see if that would change anything. I'm still getting a "no signal" message on the screen

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#6
January 12, 2021 at 19:36:16
Does it have a graphics card installed?
If so, take it out & put the cable into the onboard port.

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#7
January 12, 2021 at 19:53:35
I've tried with and without the graphics card installed. The graphics card only has HDMI & DVI ports, and the mother board only has a VGA port which is hooked up to the monitor. Also, I really appreciate the help.

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#8
January 12, 2021 at 19:59:25
"The graphics card only has HDMI & DVI ports"
Is the card disabled in the bios?

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#9
January 12, 2021 at 20:14:19
I'm not sure as I haven't been able to get into the bios yet. Nothing shows up on screen when I turn it on.

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#10
January 12, 2021 at 20:27:49
Had to make sure.
Out of idea's now, other than borrowing a cable or adapter, to try on the video card.

message edited by Johnw


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#11
January 12, 2021 at 20:41:50
Here are a couple of videos, just to make sure nothing has been missed.
https://www.youtube.com/watch?v=F-d...
https://www.youtube.com/watch?v=utz...


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#12
January 14, 2021 at 19:57:29
What is the reason to buy an antiek motherboard? Second hand??
Is there anything happening on the MB when you power up? CPU fan? any LED indication?

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#13
January 14, 2021 at 22:48:20
@sluc I thought It'd be interesting to build a PC with the focus of it being secure on the hardware level not just with it's software or connection to the internet. To clarify a bit in 2008 Intel started manufacturing processors with a hardware level backdoor at the request of the NSA. Now, it's uncertain if AMD has the same backdoors however it's likely. So I started with an older but not too old CPU (2007) then built the PC around it so to speak. Which led to me to using a second hand mother board since the new ones that would fit the CPU I had we're too expensive for what they were. Plus this was supposed to be a cheap build anyways.

Also, I learned that you can easily modify socket 771 CPU's to run on this mother board (socket 775) so I thought it'd be neat as well to tinker with the hardware like that so I could use a faster CPU that wasn't meant for it. Right now it has the 775 CPU in it that is compatible with the mother board.

Regarding the mother board when I power it up the CPU fan comes on, the case fan come on, the LED's in the case turn on, the PSU fan kicks on, the CPU heats up, and there's a little green LED on the mother board itself that lights up when I press the on the button.

After doing a bit more research I'm starting to think it may be an issue with the RAM as I read online that I need to use 800MHz RAM to get it to boot then setting the bios fsb to 1333 so the dram will allow the use of the 1333 MHz memory. But I still don't know for certain.


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#14
January 14, 2021 at 23:42:15
"But I still don't know for certain"
Have you got any ram, with the notch in the exact same place, so you can test.

Take it out of any other comps, your's, friends or family.

message edited by Johnw


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#15
January 15, 2021 at 07:51:31
Good idea I didn't think of that lol I'll take a look thank you

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