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My computer's network adapter seems to have stopped working. It's not showing up in Device Manager, and I have no way to connect to any network, wired or wireless. I've tried updating drivers, but it

Problem Description

My computer's network adapter seems to have stopped working. It's not showing up in Device Manager, and I have no way to connect to any network, wired or wireless. I've tried updating drivers, but it didn't help.
1
Public Sessions
10
Available Solutions
3
Identified Causes

Recommended Solutions

Most Relevant Solutions

10 solutions

Check DNS Server Configuration

75%

Verify the DNS server settings on your router and individual devices.

Test DNS Resolution

75%

From a connected device (if possible), try pinging an IP address directly (e.g., ping 8.8.8.8) and then a domain name (e.g., ping google.com).

Inspect UPS Status

75%

Check the status lights and battery levels of all UPS units powering network equipment.

Check Building Power

75%

Verify if the entire building or office area has power.

Reboot Core Equipment

75%

Attempt a controlled reboot of the primary network devices, starting with the modem/router.

Inspect Core Equipment

75%

Visually inspect the main router, switch, and firewall for any signs of power loss or error indicators.

Check ISP Status Page

75%

Visit the ISP's website or social media for official status updates.

Contact ISP

75%

Call your internet service provider to inquire about any reported outages in your area.

Replace Aging Hardware

75%

If access points are several years old, consider replacing them with newer, more capable models that support modern Wi-Fi standards.

Update Firmware

75%

Ensure all Wi-Fi access points and routers have the latest firmware installed, as updates often fix bugs and improve performance.

Relevance scores update as you answer more questions

Frequently Asked Questions

Common questions related to this problem and its solutions.

When did the outage begin?

How many devices are typically connected to the Wi-Fi network in the affected areas?

What is the exact error message you are receiving when trying to access servers or shared drives?

How many devices are typically connected to your home network during peak hours?

When do you typically notice the network performance issues?

When did this issue first start occurring?

When do these intermittent issues typically occur?

What is your current internet connection type at home?

How many devices are typically connected to your network during these peak usage times?

Are your friends able to see the guest Wi-Fi network name (SSID)?

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Identified Causes

Hardware Failure of the Network Adapter

75%

The physical network adapter itself may have failed due to age, power surge, or manufacturing defect. This would explain why it's not appearing in Device Manager at all.

Corrupted System Files or Operating System Issue

60%

Critical operating system files related to hardware detection or driver management might be corrupted, preventing the network adapter from being recognized. This could be due to a faulty Windows update or malware.

Motherboard or Chipset Issue

40%

If the network adapter is integrated into the motherboard, a problem with the motherboard itself or its chipset could be the root cause. This is a more serious hardware issue.

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