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Use of Ethernet Cable in wireless setup

I have the following computer hardware:
#1 computer: HP Pavillion a1110n desktop with 512RAM/160HDD/Win XP Home
#2 computer: Toshiba laptop with 512RAM/80HDD/Win XP Pro

I'm running the following wireless hardware:
D-Link DCM 202 cable modem; D-Link WBR 1310 wireless router; Belkin wireless PCI card in the HP desktop; Belkin wireless PCMCIA adapter in the laptop.

Connections: TV Cable to modem, ethernet cable #1 - modem to router, ethernet cable #2 - router to desktop.

First question: Even though everything is running fine, I'm wondering if I need the ethernet cable from the router to the desktop since I have a wireless card in the desktop? One source said to remove it another source said to leave it in.

Second question: I have a WPE 64 bit encryption installed on the desktop with MAC addresses on both computers. Do I need to have some kind of encryption on the laptop? One source said I didn't need since I had it on the desktop. Is this correct? If so, is it because the encryption is on the network rather than on the computer itself?

Thanks. Munro

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Some answers. . .

In reply to: Use of Ethernet Cable in wireless setup

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Some answers

In reply to: Some answers. . .

Thanks for the info. Can you tell me how to encryp the laptop?

Munro

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Your wireless NIC. . .

In reply to: Some answers

setup. Open it and give it the same encryption key as the router. I'm assuming you have the desktop encryption running?

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Your wireless NIC....

In reply to: Your wireless NIC. . .

Thanks -- problems are solved!

Munro

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