3-Way dead end...

dw96

Darkness Warrior ['96]
Pro User
VIP
Local time
1:42 AM
Messages
367
Location
Bulgaria/EU
Hi guys. Wi-Fi problem.
I have a Linksys WRT54G2 Router, and a Fujitsu Siemens laptop with NO WLAN CARD (yes, it's pretty old - connects with a TP-LINK TL-WN821N USB Adapter)

Now here's the deal:
Whenever the Laptop is turned on and the adapter is plugged, it displays Wi-Fi networks accordingly, but the weird thing is that if I try to connect to my home network it says "Cannot connect to DarkNET". Tried troubleshooting, tried network & sharing center... Nothing. The only possible solution is to go to the router, (192.168.1.1) log in, and then just change some wireless setting to something else. For example the wireless channel frequency (It's 2.462 by default):
Frequency.png

Once I do that and get out of the router, the other side gets the internet PERFECTLY - really fast and with no disconnections, interruptions or whatever. Biggest misery is that my dad has an HP laptop (a bit newer; 2x core AMD, WLAN card - built in) and also connects to the same network but has NO PROBLEMS AT ALL! He's on XP Media Center Edition with SP3 and that's where it gets tricky. There is no way of understanding whether it's the router that's lagging up (although I don't think so), my mom's edition of 7 or that TP-LINK USB thing.

Most likely for it to be the USB device. My previous router was also by the TP-LINK brand and it died real fast (lasted only 9 months, dunno why), so it is MOST likely for this stupid TP-LINK thing to be the problem... I've already upgraded router firmware and the problem is still here.

Suggestions??? :o
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Multirama PC Expert [Bulgaria]
OS
Windows 7 Home Premium [64-Bit]
CPU
Intel Core 2 Quad CPU Q8200 @ 2.33 GHz
Motherboard
GIGABYTE GA-G31M-S2C
Memory
4094 MB DDR2
Graphics Card(s)
SAPPHIRE Radeon HD 6970 (2 GB VRAM)
Sound Card
Realtek ALC883 @ Intel 82801GB ICH7 - High Definition Audio
Monitor(s) Displays
Samsung SyncMaster BX2235 [21.5" LCD with LED Backlight]
Screen Resolution
1920x1080
Hard Drives
Hitachi HDT721075SLA360 - 750 GB
PSU
Cooler Master GX750 - 750W
Case
Multirama (Black / 2010 Revision)
Cooling
Stock + Cooler Master
Keyboard
Logitech G510 (Gaming Keyboard)
Mouse
Razer Lachesis (4000 DPI, Blue Version)
Internet Speed
Vivacom Optical [100 Mbps]
Browser
Chrome [Windows]
I suggest getting a Linksys or D-Link Wireless Stick :)
 

My Computer

Computer Manufacturer/Model Number
Apple Macbook Pro (April 2009)
OS
W7 Ult. x64 | OS X
CPU
Intel Mobile Core 2 Duo 2.93Ghz [T9800 Penryn]
Motherboard
NVIDIA nForce 730i Rev. B1 [Mac-F2268EC8 (U2E1)]
Memory
4096MB Samsung DDR3 Dual Channel [PC3-8500F 1066Mhz]
Graphics Card(s)
NVIDIA GeForce 9600M GT 512MB [G96M Rev. C1]
Sound Card
SB X-Fi Surround 5.1 USB | Onboard Realtek (Disabled)
Monitor(s) Displays
Acer x223wbd 22" | Apple Anti-Glare 17" (Disabled)
Screen Resolution
{Current} 1440x900 {Acer} 1680x1050 {Apple} 1920x1200
Hard Drives
{Internal}
Seagate Momentus 320GB 2.5" 7200RPM [ST9320421AS]

{Externals}
LaCie 320GB USB 2.0 HDD [301284UR]
LaCie 750GB USB 2.0 FW400 eSATA HDD [301314U]
LaCie 1TB USB 2.0 HDD [301304UR]
PSU
Magsafe
Case
Aluminum/Unibody (MBP52)
Cooling
2 x 6000 RPM Fans
Keyboard
Logitech G-15v2 [PN 920-000379]
Mouse
Logitech G-9 [PN 910-000338]
Internet Speed
12Mbps/2.5Mbps w/ 24Mbps Speed Boost [Comcast]
Other Info
Logitech X-540 Speakers [PN 970223-0122]
Sennheiser PC-151 Headset
I suggest getting a Linksys or D-Link Wireless Stick :)
Umm... any other solutions before I directly go buy something? Plus, I'm a little low on $$$ right now...
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Multirama PC Expert [Bulgaria]
OS
Windows 7 Home Premium [64-Bit]
CPU
Intel Core 2 Quad CPU Q8200 @ 2.33 GHz
Motherboard
GIGABYTE GA-G31M-S2C
Memory
4094 MB DDR2
Graphics Card(s)
SAPPHIRE Radeon HD 6970 (2 GB VRAM)
Sound Card
Realtek ALC883 @ Intel 82801GB ICH7 - High Definition Audio
Monitor(s) Displays
Samsung SyncMaster BX2235 [21.5" LCD with LED Backlight]
Screen Resolution
1920x1080
Hard Drives
Hitachi HDT721075SLA360 - 750 GB
PSU
Cooler Master GX750 - 750W
Case
Multirama (Black / 2010 Revision)
Cooling
Stock + Cooler Master
Keyboard
Logitech G510 (Gaming Keyboard)
Mouse
Razer Lachesis (4000 DPI, Blue Version)
Internet Speed
Vivacom Optical [100 Mbps]
Browser
Chrome [Windows]
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