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Can't Determine Part Number For Sony Laptop "Network Interface Card"

Posted on 2016-09-27
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Last Modified: 2016-10-16
I've been having a problem with my Sony laptop staying connected to a small home Local Area Network - a HOMEGROUP.

After working with a few Experts on this site, I have concluded that periodic drops from the LAN may be due to a faulty NIC (Network Interface Card). So, it seems that it's time to buy a new NIC Card.

The problem would not be that difficult if Sony Corp were still in the PC business. If they were, I think that all I'd I have to do is call them and have them indicate the Part Number for the NIC Card -  given my laptop model, which is a Sony Laptop VPCZ114GX.

But, Sony Corp isn't available to answer this straight-forward question.

It may be that all Sony Laptops in the VPCZ1 Series take the same NIC card.  Or that there is a generic non Sony replacement.

The card I'm looking for works with adapter software called "Intel (R) 82577LC Gigabit Network Connection".

Does anyone know where I'd be able to find the Part Number for a NIC Card that would work in my Sony VPCZ114GX?

Thanks.
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Question by:gbmcneil
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Full parts list for your model
https://sony.encompass.com/model/SONVPCZ114GX%7CS/_/Accessories/Sony/VPCZ114GX%7CS/VAIO_NOTEBOOK_COMPUTER

Wireless LAN P/N is 1-458-172-12

If you use Google images with that P/N you'll see a standard Centrino N6200 card and generic cards like this from other manufacturers will also fit as long as the configuration matches that image - i.e with the PCI connector along the longer edge (some N6200 cards are set out in "portrait" format, you need "landscape"!)

eBay lists part numbers for Sony Vaios as: VPCEA2 VPCEB1 VPCEB2 VPCZ1
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by:Dr. Klahn
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This site claims to have the service manual available for sale.

Assuming that we are talking about the hardware Ethernet and not the WiFi ...

Looking over ebay and several other sites, I don't see many parts for the VPCZ series and no hardware LAN cards at all, only cable pigtails.  I suspect that you'll find that the network interface is built onto the motherboard, as with most laptops.

In that case the options are three:

  1. Find a repair facility (not Sony) that will work on it.  I say "not Sony" because last time I looked, they charge $200/hour to work on out-of-warranty equipment.
  2. Find a replacement motherboard and install it yourself.  Much more difficult than it sounds.
  3. Put the $150 repair charge toward buying a new laptop, and resolve not to buy Sony again.

Personally I would have to say that 3 above is the best option, as it will get you a long way toward a brand-new laptop.
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by:John Tsioumpris
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Well this laptop when it was "young" it was a great laptop but after so many years investing on it is rather a waste of many unless it is done cheap...
So personally i would buy a USB -> LAN adapter and resolve your networking problems...
Surely is not fancy but it would cost from $2 (ebay) and you won't have to do "internal" works with all the possible risks involved...
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by:Dr. Klahn
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EE email requested stale question closure.
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