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Windows 7: Weak wireless signal strength

17 Jun 2011   #1
Paultx

Windows 7
 
 
Weak wireless signal strength

My daughter's Acer Aspire 4736Z-4201 notebook gets too weak wireless router signal strength and sometimes it fails completely, even with no other computer connected to the network. It happens under the same conditions where mine and my wife's notebooks get from normal to good to excellent signal strength, with two walls as barriers at a distance of a few meters. The Acer notebook only gets good to excellent signal strength when there is no barrier, that is, when it's near the router.

I've updated all its drivers with DriverMax Pro (Acer's web site isn't of much help for that, 'cause the latest drivers there are from April 2010). But TNA.

I think the problem might be the wireless card, so I ask you to please help me find a way to check it out, perhaps using some kind of software. I want to try this before taking the notebook to tech support.

If you have some suggestion on how to solve that, I'll appreciate you letting me know.

TIA for any help.


My System SpecsSystem Spec
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17 Jun 2011   #2
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

If updating the drivers and tinkering with the card configuration doesnt help, there are only 2 options. Either junk the builtin card and replace it with a new card- this can be internal or an external wireless dongle. Or if you have a spare router lying around, you can use that as a wifi extender. This trick is also very useful in large houses. To do this- draw up a CAT5 cable from the LAN port of the mother router to the room/place where the signal is not picked up (you'll have to plan how to take it across the barriers) and plug it into a LAN port on the spare router. Now, if DHCP is enabled on the main router, the spare router will aotomatically get assigned a valid ip- if you use static ip's, you'll need to manually assign an ip in the main router's range.

Keep DHCP and NAT disabled on the spare router because those functions are being handled by the main router. You'll need to assign a name to this SSID and a security key depending on what encryption you're using (use the same security key as the main router). Now you'll have a wireless network in the problem area with good strength. When you move to the other room, the wireless card will disconnect from the previous network and connect automatically to the new one (if set to connect that way). In the grey area between the 2 routers, you may need to manually pick.
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 Weak wireless signal strength




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