Wireless Card

October 3, 2009 at 09:25:43
Specs: Windows Vista
My wireless card inside of my laptop no longer works, I need a replacement, can it be replaced in laptop or do i have to have a external adapter? also which card should i get for my laptop

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October 3, 2009 at 09:45:33
Laptops don't use cards, it probably has onboard Lan which is built into the motherboard. Have you checked for driver errors in Device manager? Right click My Computer and select Properties. Click the Hardware / Device Manager tab and look for any yellow exclamation marks on you onboard lan. Also post your make and model #.

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October 3, 2009 at 11:54:50
EI System 4115C - Intel Celeron - and tried what you said and it didnt work said it was a code 31 and contact microsoft

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October 3, 2009 at 12:46:33
Go to Device Manager again. Right click you wireless lan and click update drivers. Code 31 is a device error meaning bad drivers or registry error.

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Related Solutions

October 3, 2009 at 13:39:52
"Laptops don't use cards,..."

The term CARD is frequently mis-used - it isn't a CARD unless it's removable and plugs into a slot or similar that's on the mboard inside the case. Only high end (more expensive) laptops can have a CARD come with it, and if so, it's usually only the video adapter that's on a card.
That said, on the other hand, sometimes the network adapter, more likely if it's wireless, IS on a card, and in that case it CAN be replaced, but you, or someone, usually has to open up the case in order to do that, unlessthere's an access panel you can remove - sometimes it's near where the ram is.

If you tell us the make and model of your laptop, we may be able to find out whether you DO have a wireless networking card or not. The specific model is usually printed on a label on the outside of the case, usually in the bottom of it, or it can be determined on the brand name's web site.

There's probably nothing wrong with the wireless adapter in the laptop, unless you have dropped the laptop or have spilled liquid on it and that got inside the laptop.

Setting up a wireless connection is not as easy as setting up a wired network connection.
If you were getting messages such as "limited or no connection" or similar, it's probably because the settings for the wireless connection are messed up, not because the wireless adapter is defective. The wireless settings on both endsof the wireless connection must be compatible with each other. E.g. if your wireless adapter is using an encryption key or password, whatever you are trying to connect to - usually it's a wireless router - must be using the same key or password.

If there seems to be a problem with the drivers for the wireless adapter (in Control Panel - Device Manager) ,
- go into the laptop's bios Setup and make sure the wireless adapter is enabled.
- if that doesn't help.....

- go to Control Panel - Device Manager - and RIGHT click on the wireless adapter's name, and choose to un-install it - if you are prompted tore-boot, do that - if you aren't, do that anyway.
If you are fortunate, Windows will load the drivers for the wireless adapter properly while booting, and when you look in Control Panel - Device Manager again, it will not be marked as not working properly.

If that doesn't help....

Un-install anything listed for the wireless adapter in Control Panel - Programs and Features, and install the correct drivers again. The correct drivers are listed on the web site of the maker of the laptop in the software or drivers downloads for your model,
OR, if you are the original owner of the laptop, you may have a disk that came with the laptop that has drivers for it and other things on it - install the drivers for that.

If you get messages such as "limited or no connection" or similar after installing the software for the wireless adapter, orotherwise, it's probably because the settings for the wireless connection are messed up, not because the wireless adapter is defective.
We can help you fix that, but you may need to use a network cable temporarily, in order to access configuration settings on whatever it connects to wirelessly.

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October 3, 2009 at 14:34:20
Oops - missed this.

"EI System 4115C"

Apparently there is no website for Ei Systems anymore.

I did find this info:

Ei System 4115C

Component Description
CPU Intel® Celeron® M 530 (1.79 GHz)
Chipset Intel® 965GM Express Chipset
Memory 1GB DDR2 533Mhz SODIMM PC4300 (not upgradeable)
Hard Drive 80GB, Serial ATA (5400rpm) notebook hard drive
CD / DVD Drive DVD±RW Multidrive
Video / Graphics Card Integrated Intel® Graphics Media Accelerator X3100 (up to 358MB)
Monitor 15.4" TFT WXGA (1280x800)
Sound Card Realtek ALC883 High Definition Audio
Modem Not installed
Network Card Realtek 8169/8168/8101 PCI/PCIe
Network Card RaLink RT73 Wireless Network Card for Advent K300
PC Card 1 x ExpressCard/54 slot (also supports ExpressCard/34)
Case Advent L51II3/5/9 chassis
Mouse Synaptics touchpad
Battery L51-4S2200-G1L3 (L55II9)
Serial Number Advent L51II9 chassis

It's probably a re-branded Advent model, but there's no Advent web site anymore either.

I found that here:


Home page Ei System 4115C support

Drivers Ei System 4115C :

Advent K300 RT73 Wireless Driver - direct download link.
Ralink RT73 wireless card driver for the Advent K300 (Version

NOTE - I looked at the download contents - they support NT through Vista. Extract the files to any folder, by themselves. You probably need to go to go to Control Panel - Device Manager - RIGHT click on the name of the adapter, and choose to install or update drivers, then point to where the 3 files are - Windows is looking for the *.inf file.

Advent K300 Laptop

Uses the same wireless adapter.
NOT the same laptop as EI System 4115C.
One of the Advent models on the site MAY be the same laptop.

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