Question about D-Link DWA-556 (ASKU58510) Wireless Adapter

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When I shut down the computer, the DWA 556 wifi card causes it to reboot. How do I stop this?

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There are settings in the BIOS setup of most computers that allows the computer to be powered up by the Wake On Lan signal This allows you to remotely power up the computer by sending a signal to your network card. This setting is normally found in the Power Management portion of your BIOS setup.

Most motherboards allow you to access their BIOS settings by pressing the DEL key while your computer is first turned on. The first screen that shows on your monitor will normally have something similar to "Press DEL to run Setup" across the bottom of the screen. Whatever key is displayed is the one that you want to press as soon as you power it up. Once inside your BIOS look for the Power Management menu across the top of your screen. Once you choose that menu item the next screen should have either "Wake On Lan" or a "Power On By PCI Devices" setting. Make sure that this is turned off. You should then save your changes and exit your BIOS. Usually across the bottom of the settings screen, or on the side, you will see the keys you need to press to do so. Once you press the key or keys, your PC will save the changes and then reboot itself. Just to ensure that the change was made go back to the Power Management screen and make sure the setting is still off.

If your computer is still rebooting itself then the next step is to ensure that you have the latest driver for your adapter. Go to the following website:

You should see a black bar with Overview, Works With, and Support Resources labeled in the bar. Choose the Support Resources. When the bar changes you will then want to choose Drivers. Download the latest drivers for whatever version of your Operating System that you are using. Install them, then reboot your computer. Your computer should then recognize your adapter and install the new driver files.

If after all of this you are still getting reboots the problem might be the PCI slot you are using. Power down the computer, and remove the cover of the case. Remove the screw holding down your adapter and move it to another PCI slot. Re-assemble the case and power up your PC. If you are still getting the reboots then the issue is probably the adapter itself. Try and boot the computer without the adapter installed. If the reboots are gone then the card is defective. If you are still getting the reboots then you have a hardware issue with your motherboard. At this point you should have it looked at by your local repair shop. Due to the price of new motherboards it us usually cheaper to buy a new board rather than try and find someone who will repair it.

One of these processes should resolve your issue.

Posted on Mar 27, 2011


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