Question about Microsoft Windows XP Professional

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Hello, my wireless is not showing on my computer and when i go on device manager on my computer it has a question mark on ethernet controller and say erro code 28, how can i fix this?

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Do your Wireless Device (PCI or USB unit) comes with an installation CD? If so, use the CD to install the software/drivers.(Instead of using the Windows wizard). Remove any previous installation before reinstalling with the CD.

Resit your device to a different USB port or PCI slot. If the drivers/software are properly installed, windows will detect and installed the device correctly.

Cause of the Code 28 Error (In general)
A Code 28 error is caused by a missing driver for that particular piece of hardware. There are several of reasons that a driver might not be installed for a device but your troubleshooting of the problem will be the same no matter the root cause.

Resolution
1.Restart your computer if you haven't done so already.

There is always the slim chance that the Code 28 error you're seeing in Device Manager was caused by a fluke with Device Manager or in your BIOS. If that's the case, a reboot might fix the Code 28.

2.Did you install a device or make a change in Device Manager just before you noticed the Code 28? If so, it's very possible that the change you made caused the Code 28 error.

Undo the change, restart your PC, and then check again for the Code 28 error.

Depending on the changes you made, some solutions might include:
•Remove or reconfigure the newly installed device.
•Roll back the driver to the version prior to your update.
•Use System Restore to undo recent Device Manager changes.

3.Update the drivers for the device. Installing the latest manufacturer supplied drivers for a device with the Code 28 error is the most likely solution to the problem.

Important: Make sure you install the drivers for the correct operating system. Example, if you're using Windows 7 32-bit, install the drivers designed for that specific version of Windows. Most Code 28 errors are caused by updating or install the wrong drivers for a device.

4.Update your OS to latest Windows service pack. Microsoft regularly releases service packs and other patches for their operating systems, one of which may contain a fix for the cause of the Code 28 error.

**Note: Certain service packs for Windows Vista and Windows 2000 have contained specific fixes for some instances of the Code 28 error in Device Manager.

5.Replace the hardware. As a last resort, you may need to replace the hardware that has the Code 28 error.

It's also possible that the device is not compatible with this version of Windows. You can check the Windows HCL to be sure.

Note: If you still think there is still a software/operating system component to this Code 28 error, you could try a repair install of Windows. If that doesn't work, try a clean install of Windows. Not recommend doing either of those more drastic options before you try replacing the hardware, but you may have to if you're out of other options.

Hope it helps.

Posted on Aug 22, 2010

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2 Answers

Internet both WLAN and ethernet


You will need to open up your network connections click start control panel network connections this may vary depending on your operating system look for local area connection if you see a Red

X or a yellow Exclamation or Question mark !?
you will need to update or install the driver or it could be firewalled.

If you are trying to connect through a modem/router the driver should have come with a disc provided by your ISP internet service provider or your motherboard disc

click start control panel administrive tools computer management device manager scroll to network adapters could see a yellow question / exclamation mark? ! or a red X right click install drivers

You only need to do the following if you cant install the driver

Make sure you Ethernet/internet is enabled in biosRestart your computer during the boot up process you will see on your screen a certain key to

press to enter set up (BIOS) usually the Delete or F2 key press and hold that key to enter bios using arrow keys scroll to intergrated peripherals.

Look for SiS On Chip Pci Device press enter scroll to SiS 10/100m press ENTER make sure its enabled

wifi
Most new laptops are equipped with all the components necessary to go online wirelessly to account for the increasing popularity of Wi-Fi Internet.

If you find that you are not able to connect to any wireless networks on a laptop, take a few basic troubleshooting steps on your own before having the laptop serviced.

In all likelihood, you will be able to restore your laptop's wireless functionality and be browsing Wi-Fi Internet in no time.

Enable the wireless card by pressing the radio button, typically located near the top of the keyboard.

Press the radio button until a light illuminates indicating that your wireless card has been enabled and is ready to go online wirelessly.

Test your connectivity once again; if there is still no wireless access, it is time to check for a possible issue with your wireless card.


Navigate to the computer's device manager by opening the "Start" menu and either clicking "Device Manager" from the "Control Panel" window or right-clicking "My Computer," clicking "Properties," and choosing "Device Manager" from the "Hardware" tab, depending on what version of operating system you use.


Look for the wireless card in the Device Manager by clicking the "+" next to "Network Adapters." If you see any item labeled "Wireless Card" or "Wireless Controller," check to see if it has a "?," "X," "!" placed over the name; if it does, you will need to update the software drivers for the wireless card. Contact the manufacturer of the computer for assistance.

Attempt to connect a wireless network other than your home network. Make sure you connect to a wireless network that you are legally allowed to use, such as a free public Wi-Fi hotspot, and that you are not illegally connecting to someone else's wireless network.

If you can connect to other Wi-Fi networks, the problem is likely isolated to your home network and you will need to troubleshoot that.

If you are still can't connect to any Wi-Fi networks after following the steps above, you may need to have the laptop serviced or have its wireless card replaced.

Mar 10, 2014 | Computers & Internet

2 Answers

Hi, I've just installed OS. In Device Manager there are exclamation marks by Ethernet controller, Network controller and PCI simple communications controller. I've tried emachines...


You should install the drivers from this link:

http://support.gateway.com/us/en/emac/product/default.aspx?tab=1&modelId=3333

Install the chipset driver first, the you install LAN driver and the appropriate Wireless LAN driver. You would probably find which wireless card you have by looking under your computer, there should be a sticker.

Jun 05, 2011 | E-Machines Computers & Internet

1 Answer

Motherboard P4i65GV ASROCK. Installed WIN XP service pack 2 , ethernet controller is not installed shows exclamation mark in device manager.Unable to connect to net.


you must ethernet controller driver first
goto device manager, right click at exclamation mark, then chose update driver, follow instuction step by step, if it ask for cd driver insert motherboard cd driver, if you did not have cd driver download ethernet controller here
http://www.asrock.com/MB/download.asp?Model=P4i65GV&o=XP
wait until process finish and exclamation mark at device manager disappear, and try to connect your computer to internet
i hope this helpful
thank you for using fixya

Feb 02, 2011 | Asrock P4i65GV Motherboard

1 Answer

I reinstalled the operatiing system & it won't to the internet. Doesn't show an network conn ection in the device manager just a yellow question mark by the ethernet controller. I've installed all the...


Here are the stpes that you can try..Go to Device Manger select ethernet controller, then right click, select Properties and then select Uninstall. After this re-install your Ethernet driver. The yellow question mark means that the computer is not detecting the device.

Sep 10, 2010 | Dell Dimension 2350 PC Desktop

1 Answer

Basically i done a clean installation on my laptop and now i cant get on the internet. i have a wirless card already placed inside . it states in the device manager that i need as follows: Ethernet...


Hello,

I'm sure those devices listed have a yellow exclamation mark beside them. This is an indication that you need to install their drivers.

The drivers for those devices are not installed and they need to be installed for them to be able to perform their functions.

This is the main reason why your computer is not connecting to the internet. If you try to use internet via cable, it won't work because the Ethernet controller is not installed and Network controller is in charge of wireless.

So install the drivers for these devices and every thing is going to be alright.

Good luck.

Apr 21, 2010 | Evesham Voyager 5800 Notebook

1 Answer

Reformated my Dell Dimension 2400, now under device manager I got the big yellow question mark for Other Devices - Ethernet Controller -PCI Simple Communications Controller Dell's driver support page does...


If you have windows Vista simply Right Click on the entry in device manager and choose Update driver (Requires working internet connection)

Else use the following drivers (Works on XP and vista)
ftp://ftp.us.dell.com/network/R64645.EXE

Oct 16, 2009 | Dell Ethernet Card Network Adapter

2 Answers

The ethernet controller on my Dell Latitude C540/C640 Notebook has not worked in a while. I am able to get wireless internet access, but no luck when I try to connect to my router via a direct line. I...


If you are using Windows XP, go to Control Panel > Network Connections. Right click on Local Area Connection and then click Enable. (This is only applicable if the ethernet port is disabled).

Also, you may go to Device Manager (Right Click My Computer > Manage > Device Manager) and then check if the ethernet is disabled or has a question or exclamation mark.

If both dont work, your ethernet controller is broken.

Jun 07, 2009 | Dell Latitude C640 Notebook

1 Answer

Network Adapter/Ethernet Controller


Nothing wrong with having two network adapters installed on your computer. If you have this DWA-552 wireless adapter installed as well as an onboard NIC, the correct thing to do is have both drivers installed so you see them both in your Control Panel->Network Connections window.

If you really want the onboard nic to go away, go into device manager and disable it - not uninstall it.

Mar 08, 2009 | Computers & Internet

1 Answer

Ethernet controller with big yellow question mark


You need to reinstall the software for that, if its a ethernet card built in to your motherboard you can find the software for it from the motherboard setup CD , and if its a additional device to your computer just run the setup CD for it to reinstall the software back....

Sep 12, 2008 | ASUS PCI-L3C920 Network Adapter

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Ethernet controller driver


What is the model number and brand of your PCMCIA Card ?

Dec 11, 2007 | Compaq Network adapter

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