Colin Snow
Realtek's network controller deep sleep mode issue is a common problem that has been reported by many users. The issue causes the ethernet connection to disappear or become undetectable by Windows, resulting in the inability to connect to the internet. This issue is often resolved by plugging in the cable and checking if the Allow the computer to turn off this device to save power option is disabled in the Power Management tab. Other solutions include resetting the motherboard, removing the RAM for 10 minutes, or clearing the CMOS.
How to wake up Realtek Ethernet from deep sleep
| Characteristics | Values |
|---|---|
| Reset the motherboard | Remove RAM chips for 10 minutes, remove the battery for 5-10 minutes for laptops, plug in an external hard drive or USB thumb drive, load default settings in BIOS |
| Plug the cable | If Deep Sleep Mode is enabled |
| Turn off Deep Sleep Mode | Go to Power Management tab and uncheck "Allow the computer to turn off this device to save power" |
| Reinstall or repair the driver | Use official drivers auto-install |
| Update drivers | Update the drivers after clearing CMOS |
| Check BIOS settings | Disable/enable on-board LAN |
| Restart the PC | Restarting the PC may fix the problem |
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What You'll Learn
Reset the motherboard
Resetting the BIOS (Basic Input/Output System) of your motherboard can be done in several ways, depending on your motherboard model. The BIOS is a set of instructions that runs when a computer is turned on and is typically stored in the CMOS (Complementary Metal-Oxide-Semiconductor), which is a small battery on the motherboard.
Firstly, it is important to note that you should be cautious when resetting your motherboard. Accidentally changing an unknown setting can prevent your computer from turning on, booting into the operating system, or cause a loss of data. Always refer to your motherboard's manual for specific instructions on how to reset it.
One common method to reset the motherboard is by clearing the CMOS. This can be done by removing the CMOS battery, which is usually a coin-cell type, and then reinstalling it. This process will reset the BIOS to its default settings. Ensure that you have disconnected the power cable from your computer before attempting this.
Another method is to use a jumper to reset the BIOS. A jumper is a small metal connector that can be placed over a set of pins on the motherboard. The location of the jumper and the number of pins will vary depending on your motherboard model. Typically, you will need to move the jumper to a different position, wait a few seconds, and then move it back to its original position.
Some motherboards also have a dedicated reset button, which can be used to reset the BIOS. This button is usually located on the I/O panel or on the motherboard itself.
Additionally, if your motherboard has a Clear CMOS or CLR_CMOS button, you can press and hold this button for about 5-10 seconds to clear the real-time clock (RTC) memory.
Finally, if your computer is still functional and you can access the BIOS, you can reset it through the BIOS interface. This is typically done by loading the default settings and then restarting your computer.
It is important to note that the specific steps to reset your motherboard may vary depending on the manufacturer and model. Always refer to the manufacturer's instructions or manual for detailed information on how to safely reset your motherboard.
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Remove the RAM
To wake up a Realtek ethernet device from deep sleep, one quick fix is to:
- Go to the Power Management tab.
- Uncheck the option to "Allow the computer to turn off this device to save power".
However, if you are still facing issues, you can try removing the RAM. Here is a step-by-step guide on how to do that:
- Power off your computer: Before starting any work inside your computer, ensure it is turned off. Save any open files and close all programs.
- Find the memory slots: The RAM slots are typically located near the main processor (CPU). They are long, narrow openings on the motherboard, holding the RAM sticks. Depending on your system, they may look slightly different but will be in the same place.
- Release the clip: You will notice a small plastic or metal clip on one side of the RAM stick. This clip secures the RAM in its slot.
- Gently push the clip: Use your fingers to carefully push the clip outward and away from the RAM stick. The RAM stick will pop up slightly when you do this.
- Remove the RAM stick: After releasing the clip, hold the RAM stick by its edges and gently pull it straight out.
- Leave the RAM out: Keep the RAM out for about 10 minutes. Leaving it out longer has worked for some people.
Once you have removed the RAM for an extended period, restart your computer and check if the Realtek ethernet device has woken up from deep sleep. If not, you can try some other methods, such as removing the laptop battery (for laptops) or plugging in an external hard drive to install external hardware.
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Remove the battery
If you are experiencing issues with your Realtek network controller, one suggested fix is to remove the battery from your laptop. This fix is intended for laptops that have entered deep sleep mode, which can cause the network controller to become unresponsive.
To perform this fix, turn off your laptop and unplug the power supply. Locate the battery compartment and remove the battery. Wait for 5-10 minutes, and then replace the battery. After replacing the battery, turn on your laptop. This process will reset the motherboard, which may resolve the issue and allow the network controller to function properly.
It is important to note that this fix may not work for all laptops or situations. If removing the battery does not resolve the issue, there are other potential solutions to try. For example, you could try leaving the RAM out of your laptop for 10 minutes or more, as this has been reported to work for some people. Alternatively, you could try turning off the system, plugging in an external hard drive or USB thumb drive, and then turning the computer back on. Windows will attempt to install the external hardware, which may wake up the network controller.
In some cases, a combination of these fixes may be necessary to resolve the issue. It is always a good idea to consult with a professional or a technical support forum if you are unsure about any of the steps or if the issue persists.
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Plug in an external hard drive
If your Realtek Network Controller is not working due to Deep Sleep Mode, you can try the following:
Firstly, turn off your system. Then, plug in an external hard drive or a USB thumb drive. Now, turn your computer back on. Once your desktop loads, Windows will attempt to install the external hardware. This has been known to work in some cases to wake up the Realtek Network Controller.
Other methods to wake up the Realtek Network Controller
There are several other methods that have been suggested to wake up the Realtek Network Controller from deep sleep mode. These include:
- Resetting the motherboard
- Leaving the RAM out for 10 minutes or more
- Removing the battery for 5-10 minutes (for laptops)
- Loading default settings in the BIOS
- Reinstalling ethernet drivers through the device manager
- Checking BIOS settings
- Updating drivers
- Installing a new network card
- Disabling sleep mode
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Update the drivers
Updating your drivers is essential for ensuring your hardware runs smoothly and wakes up from sleep mode without issues. Here are the steps you can take to update your Realtek Ethernet drivers:
Uninstall and Reinstall the Latest Drivers
Begin by uninstalling your current Realtek Ethernet drivers. You can do this by opening the Device Manager, navigating to "Network Adapters", and then right-clicking on the Realtek Ethernet driver to select "Uninstall". After uninstalling, visit the official Realtek website or your motherboard manufacturer's website to download the latest driver version compatible with your operating system. Install the downloaded driver and then restart your computer.
Update Drivers through Device Manager
You can also update your drivers through the Device Manager. Right-click on the Start menu and select "Device Manager". Then, expand the "Network Adapters" section, right-click on your Realtek Ethernet driver, and select "Update Driver". Choose "Search automatically for drivers" to let Windows find and install the latest driver version.
Update Drivers from Manufacturer's Website
Another method is to manually download the latest driver from the manufacturer's website. Visit the support section of the Realtek or your motherboard manufacturer's website and locate the driver downloads. Make sure to download the driver that is compatible with your specific model and operating system version. After downloading, run the installer and follow the on-screen instructions to update your drivers.
Update Drivers using Third-Party Software
There are also third-party software tools available that can help you update your drivers automatically. These tools scan your system for outdated drivers and then download and install the latest versions for you. However, be cautious when using third-party tools, and only download from trusted sources to avoid malware or compatibility issues.
Update BIOS
In some cases, updating your BIOS may be necessary to resolve issues with Deep Sleep Mode. You can update your BIOS by visiting your motherboard manufacturer's website and downloading the latest BIOS update file. However, proceed with caution as incorrect BIOS updates can cause serious issues. Always follow the instructions provided by your motherboard manufacturer for a safe update process.
By following these steps and keeping your drivers up to date, you can help ensure that your Realtek Ethernet hardware functions properly, even after waking up from deep sleep.
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Frequently asked questions
Try resetting the motherboard, which will bring the network controller out of deep sleep mode.
Try leaving the RAM out for 10 minutes. Some people have reported that this works.
For laptops, removing the battery for 5-10 minutes has worked for some people.
Try turning off the system and plugging in an external hard drive or USB thumb drive. Once on the desktop, Windows will try to install the external hardware, which has been known to wake up the network controller.
