[UriB]

I have a network with two laptops connected to it, one wired (called HERMES) and one wireless (g)(called Aphrodite). Both are Windows 7 Ultimate. The gateway used is Netgear WNDR4500.
Somehow, although both are connected to the same network (or so I think). The wired computer is connected to a home group called Uri's Home and the wireless is connected to Uri's Home 2. I do not know why, it is certainly not intentional. On the wireless computer I can't see the wired one and on the wired one I can see the wireless but I cannot access it (all shares are correct)
I enclosed a screen shot of the network as seen from the wired laptop (HERMES). What is the meaning of the question mark.
How do I correct the situation?
Thanks a lot in advance for any, any idea
Uri

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Thanks alot for your educative help you are offering. I have a small problem with my Inspirion E1405 Dell Laptop. I was given by a friend and it had a 80 Gb hard drive and wireless was working well ,because wherever i powerd my computer, i could see it could pick wifi signal. Then i had to change the HardDisk after the original one crashed. Since then i haven't been unable to connect to any wifi. Itried to run a network set up, it just to start. This is the current settings

Windows IP Configuration

Host Name . . . . . . . . . . . . : HomeOffice-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

PPP adapter ZTE Wireless Terminal:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : ZTE Wireless Terminal
Physical Address. . . . . . . . . :
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 10.2.193.43(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 0.0.0.0
DNS Servers . . . . . . . . . . . : 212.49.70.22
212.49.70.23
NetBIOS over Tcpip. . . . . . . . : Disabled

Wireless LAN adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-18-DE-3E-36-1A
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controller
Physical Address. . . . . . . . . : 00-15-C5-7B-37-34
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{A18ED932-AEDA-4D33-808F-4E0708B26555}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{72F0154B-681C-48AB-8E5E-452391C68647}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:2812:3417:f5fd:3ed4(Preferred)
Link-local IPv6 Address . . . . . : fe80::2812:3417:f5fd:3ed4%12(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{D4DFE9F0-D68C-49C2-8A4A-C8A78EC04560}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

[DanoChit]

Thanks alot for your educative help you are offering. I have a small problem with my Inspirion E1405 Dell Laptop. I was given by a friend and it had a 80 Gb hard drive and wireless was working well ,because wherever i powerd my computer, i could see it could pick wifi signal. Then i had to change the HardDisk after the original one crashed. Since then i haven't been unable to connect to any wifi. Itried to run a network set up, it just to start. This is the current settings

Windows IP Configuration

Host Name . . . . . . . . . . . . : HomeOffice-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

PPP adapter ZTE Wireless Terminal:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : ZTE Wireless Terminal
Physical Address. . . . . . . . . :
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 10.2.193.43(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 0.0.0.0
DNS Servers . . . . . . . . . . . : 212.49.70.22
212.49.70.23
NetBIOS over Tcpip. . . . . . . . : Disabled

Wireless LAN adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-18-DE-3E-36-1A
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controller
Physical Address. . . . . . . . . : 00-15-C5-7B-37-34
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{A18ED932-AEDA-4D33-808F-4E0708B26555}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{72F0154B-681C-48AB-8E5E-452391C68647}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:2812:3417:f5fd:3ed4(Preferred)
Link-local IPv6 Address . . . . . : fe80::2812:3417:f5fd:3ed4%12(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{D4DFE9F0-D68C-49C2-8A4A-C8A78EC04560}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

[Ztruker]

Are there any yellow marks in Device Manager? Sounds like you may not have installed the Wireless driver. You can get it from support.dell.com.

[DanoChit]

i have tried to download and install several times, but to no avail.

[Ztruker]

What did you download? Looks like you need this: