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Are You Sure You Have Signal coming into modem/router sometimes the red light indicates no connection is it dsl or cable or? if DSL can you use the phone disconnect the filter. and plug the cord strait into the wall plug.cable could be the connection check for shorts could be an issue with your carrier call them for a simple electronic reset Hope this helps!
Do you have a wireless router that is connected to the Internet via a DSL or cable modem? Is the wireless driver installed and working on the Acer Aspire laptop? IF not then install the wireless driver. Download the wireless and device drivers from the Acer WEB site. Make sure you select the model of your laptop the drivers you that require that matches the Windows version that is installed on your laptop. Use this link to get to the Acer support: - http://www.acersupport.com/drivers_download.aspx
If you can get into the Internet with another computer then your DSL modem is configured correctly. Check the LAN driver in the $5 laptop is working and enabled, if not then install the LAN driver. You can download the LAN and device drivers from the Compaq/HP WEBsupport/download page. Make sure you select your model laptop and the Windowsdrivers you require and install them. Click on this link to download thedrivers: - www.compaq.com/country/cpq_support.html Connect a LAN cable from the $5 laptop to the DSL modem and open IE and you should get into the Internet.
If you have a wireless router and it is connected to the DSLor cable modem then -To connect to your wireless router, the router needsits wireless settings to be configured with the SSID, encryption key etc., alsothe wireless cards and wireless adapters in all the laptops/computers needs tobe configured with these router's wireless settings. Then the laptops/desktopcomputers can communicate with your wireless router and access the Internet via the DSLor cable modem.
The flashing DSL light means that the modem isn't seeing the DSL signal on the phone line it's connected to. This might be due to modem failure, but it might also indicate a phone line problem. The most common trouble I run across is an unfiltered device connected on the line that interferes with the DSL signal. Other than the modem, all devices (phones, fax machines, security systems, etc.) need to be connected to the line through a filter. Check to be sure something hasn't been connected without a filter. Sometimes a phone gets moved or a new phone is added that gets plugged in to a handy jack without being filtered.
If you can, try connecting another modem to the line. You may be able to borrow one, or find one at a resale shop. I see them quite often for only a couple of dollars, leftover from people changing to FiOS or cable service. This can help determine if the modem is responsible.
One final possibility: your DSL service has been cut off. I've had two cases where loss of DSL was a phone company issue that they needed to fix at their office. (One following some wiring work done in apartment building, the other when service was mistakenly disconnected from the wrong customer.)
This kind of trouble can be a headache to solve, but it can be solved. Good luck and thanks for using Fixya!
check your wireless router if it is turned on.
see if it is getting a signal from your cable or dsl connection.
you can also connect via cat 5 from your laptop and see if your getting a IP on the WAN.
reset your cable/dsl modem if your not getting any signal or IP address.
check the connections between the router and the modem either cable or dsl or whichever
and change the setting in the router interface so you know what the ssid is being broadcasted and the network key
If the modem connect to a coaxial cable its cable, if connect to a RJ11 aka Telephone cable is DSL. Most of the modems connect the computers via RJ45 aka Cat5 or network cable. For this type of connection you do not need drivers.
If the computer not connect to internet, check for the NIC card driver in COntrol Panel. If the drivers are good, then open the command prompt (go to START | Run.. | Type cmd and press ENTER) and type ping 127.0.0.1, if you not have a success the network card is bad. If successfull...
Type ipconfig, if you have return IP of 169.254.x.x then your computer is not getting an IP. reset the router and check again.
When type ipconfig you have to display one of these IP address . 1) 192.168.x.x 2) 172.16.x.x 3)10.0.x.x. If you cant connect check for third party software installed.
If you have plugged the ethernet cable directly into the motherboard, make sure the onboard lan is enabled in the bios, if you have plugged into a pci nic adapter you will have to install a driver for it, winxp should have the driver for your adapter other than that I cannot help any further.