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Old 12-20-2008, 01:39 PM   #1
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Onboard Lan not detected.
I'm not sure this is the right section to ask this...

I just built a new desktop. Everything work but the internet. I cannot connect to the internet. I try to download the drivers and it say that there is not network card.

I have an Asus M3A78-EM Mobo. and it has Gigabyte Onboard Lan.

Any help would be greatly apprecieted.

My set up is:

Motherboard: M3A78-EM
Processor: AMD Phenom X4 64
Video Card: EVGA GeForce GTX 260
Memory: G.Skill DDR2 SDRAM DDR2 1066 (PC2 8500)
Operating System: Vista 64bit
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Old 12-20-2008, 01:43 PM   #2
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Have you checked in the BIOS to see if the LAN is enabled?
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Old 12-20-2008, 02:49 PM   #3
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http://support.asus.com/download/dow...model=M3A78-EM

Is that what you downloaded?
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Old 12-20-2008, 03:06 PM   #4
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Have you checked in the BIOS to see if the LAN is enabled?
Lan is enabled in Bios. The lights in the back don't even come on.
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Old 12-20-2008, 03:17 PM   #5
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Did you download the Realtek drivers for your GIGABIT LAN integrated on the motherboard?
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Old 12-20-2008, 03:50 PM   #6
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I don't have an internet connection so I tried using my old cpu and then put the updates on my flash card . Is that possible to update it that way?
Last edited by chillz; 12-20-2008 at 03:53 PM.
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Old 12-20-2008, 04:04 PM   #7
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Also sorry for cross-posting.
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Old 12-20-2008, 05:13 PM   #8
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I don't have an internet connection so I tried using my old cpu and then put the updates on my flash card . Is that possible to update it that way?
Did you copy the drivers from the flash card onto the new computer and try installing?
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Old 12-20-2008, 06:24 PM   #9
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Did you copy the drivers from the flash card onto the new computer and try installing?
I just tried it. It did not work.

When I try to download the driver it just says No Network Card exists on this machine. My link light is off in the back also.
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Old 12-20-2008, 06:41 PM   #10
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Are there any unknown devices under Device Manager?

Could be a dead lan adapter.
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Old 12-20-2008, 06:45 PM   #11
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Are there any unknown devices under Device Manager?

Could be a dead lan adapter.
No, there's no unknown devices. I can't see the Lan device unless I click "View All". Dead Lan adapter... arghh I feared this too.
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Old 12-20-2008, 07:33 PM   #12
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Are you ABSOLUTELY SURE you have it enabled in the bios? There's more than one entry in there that may APPEAR to do it.
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Old 12-20-2008, 07:56 PM   #13
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Are you ABSOLUTELY SURE you have it enabled in the bios? There's more than one entry in there that may APPEAR to do it.
Here's how its set up.

Bios (Onboard Device Configuration)

Serial Port1 address [3F8/IRQ4]
Parallel Port Address [378]
Parallel Port Mode [Normal]
Parallel Port IRQ [IRQ7]

HDAudio Controller [Enabled]
Front Panel Select [HD Audio]
SPDIF_OUT Mode Setting [SPDIF Output]
Onboard LAN Controller [Enabled]
Onboard Lan Bood Rom [Disabled]
1394 Controller [Enabled]
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Old 12-21-2008, 12:29 AM   #14
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Okay - that is in fact enabled. I'd RMA the motherboard on warranty.
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Old 12-21-2008, 01:37 AM   #15
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Okay - that is in fact enabled. I'd RMA the motherboard on warranty.
dag... Thanks I was hoping I wouldn't have too.
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Old 12-21-2008, 11:18 AM   #16
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The other option is a PCI network adapter.
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Old 12-21-2008, 03:57 PM   #17
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The other option is a PCI network adapter.
thats a good idea! whats a good one. At least if i'm gonna get one it has to be better than the onboard.
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Old 12-21-2008, 05:48 PM   #18
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Anything will work as long as it's compatible with your operating system. They are very inexpensive.
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Old 12-22-2008, 01:13 AM   #19
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Anything will work as long as it's compatible with your operating system. They are very inexpensive.
Thanks! I'm gonna order one. I don't feel like taking this cpu apart anyway.
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Old 12-22-2008, 02:15 AM   #20
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Here is a link to a good PCI network card: http://www.newegg.com/Product/Produc...82E16833127102. Seems like there are some less expensive alternatives such as Startech and Rosewill, but I've never had any experience with them, maybe someone else on this forum can inform on quality.
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Old 12-22-2008, 06:47 PM   #21
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Thanks Masaki! Thats a great price too!
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Old 12-23-2008, 12:38 AM   #22
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That D-Link is a solid low end card that's compatible with just about every operating system in existence.
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