dell inspiron n5040

Hi murphgal,

Please try the below mentioned steps:

1. Click “Start”, type “Power options”, and then click “Settings” on the right hand side. Click “Power options” from the search results.
2. On the Select a power plan page, click Change plan settings for the plan that you want to change.
3. On the Change settings for the plan page, click “Change advanced power settings”.
4. On the “Advance settings” tab, expand “Wireless adapter settings”, expand “Power saving mode” and change the settings to “Maximum Performance”.
5. Click Apply and then Ok to save changes and exit.
6. Restart the computer and check for the strength of wireless networks.

If the above options do not work please try changing the settings for wireless card in Device manager.

Please follow the below mentioned steps;

1. Click “start”.
2. Type “Device Manager” in the search box.
3. Select “Device Manager “in the list.
4. Double click “Network Adapters”.
5. Right click the wireless card.
6. Select “Properties” and set "Transmit Power" to maximum and "Roaming Aggressiveness" to lowest setting.
7. Restart the computer to save changes and check the wireless signal strength.

Please post the results.

i tried both with no success