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Check that the laptop's "wireless disable/enable" switch is in the enabled position
Check that the computer is actively searching for a wireless network.
Ensure the settings on your computer match that of the router, for example, make sure a thunderstorm didn't knock out power which knocked out power to the router, which forgot its settings. If this is the case, you'd need to re-load those settings.
Check that the broadcast unit for your wireless, the jetpack or the router, is powered on and sending a signal.
Reboot (complete power off and power back on). If the wireless now works, disable your operating systems' power management for your laptop's wireless card.
If your ethernet card or wifi adapter disconnects when the computer goes into sleep mode, and the only way out is to restart the system, try this:
Open the Device Manager, under the Properties, Power Management tab for your ethernet card or wireless adapter, deselect the box that reads "Allow the computer to turn off this device to save power".
If other devices are sketchy as to how long they'll stay active, try the same trick:
Open the Device Manager, open every USB Root Hub, and under the Properties, Power Management tab, deselect the box that reads "Allow the computer to turn off this device to save power".
It should be already activated. Just connect the monitor. You may have to check BIOS by pressing F2 key during boot. It would not hurt to check Device Manager as well. Right click My Computer > Manage. It should work even if the drivers are not loaded. Just at the default resolution.
The wireless card was optional for that particular computer. You can see if you have one by clicking the start button (lower left corner) right click on computer and select "manage". When the window opens click device manager in the left window and find "network adapters" in the larger center window. If you see a wireless card listed in that then you have one and it should be activated already (there's no on/off switch for wireless on a desktop). If you don't, any PCI wireless card can be purchased for 15-30 bucks. To install it, turn off and unplug your computer, take off the side panel of your machine, remove the i/o cover adjacent to the PCI slot you plan to use and insert the card into the pci slot and secure it with the screw that held the cover on. Power on your computer and run the driver installation software that came with the card you purchased.
You should be able to see there might be an antenna on the back of your computer which is part of the wireless network adaptor. I checked the specification of your computer and did not see wireless card included. You may need to buy one internal wireless card or a USB wireless card to use wireless feature. You will need to install the driver and configure it to use a wireless access point on some of the wireless cards. Usually you can turn on wireless by using network connection or using the connect to item in the start menu if you are using Windows Vista.
what i want you to do is right click "computer" select "manage" and then "device manager", then click on the + sign next to "network adapters" and right click on the wireless network/ethernet and "un-install" the device, reboot the laptop and wait for windows to detect the wireless/ethernet card and install the drivers for it, this will appear in the system tray (bottom right hand side) when its done try to connect again
In some Acer models, there is a software switch in Start/All
Programs/Acer Launch Manager. If this is missing, you need to reinstall
since even with the WiFi hard switch activated, this application is required. This is so especially if a
new/clean/OEM install of the OS has been done on the laptop.
In some models, there is a hard switch either at the front or at the side to activate the internal wifi (and bluetooth). Still in other, there is button on the leading edge of the computer which also serves as an indicator lamp,
Some models also have WiFI enable/disable in the BIOS/CMOS setup.
Still others have a button along with the Easy-launch strip (top) together with the those for email , bluetooth , Acer Arcade & others.
As shown above, depending on the specific model/region version of your laptop, the WifI activation can be varied.
Hope this be of help/idea. Pls post back how things turned up or should you need additional information.
right now i am using someone elses computer while i am trying to fix mine. I am using a wireless card. All signals are good and everything shows connected but when it shows the sent and received activity there is a number for the sent activity and a 0 for my received activity what is causing this.