Verify the DNS server settings on your router and individual devices.
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).
Check the status lights and battery levels of all UPS units powering network equipment.
Verify if the entire building or office area has power.
Attempt a controlled reboot of the primary network devices, starting with the modem/router.
Visually inspect the main router, switch, and firewall for any signs of power loss or error indicators.
Visit the ISP's website or social media for official status updates.
Call your internet service provider to inquire about any reported outages in your area.
If access points are several years old, consider replacing them with newer, more capable models that support modern Wi-Fi standards.
Ensure all Wi-Fi access points and routers have the latest firmware installed, as updates often fix bugs and improve performance.
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Your user account's permissions to access the shared drive may have expired, been revoked, or changed by an administrator. This is common if permissions are time-limited or if there was a recent change to access controls.
Your computer may have lost its authentication with the network or the server hosting the shared drive. This can happen due to a temporary network glitch or a stale authentication token.
The server hosting the shared drive might be experiencing a temporary issue, such as a service restart, overload, or a configuration change that is preventing access.
A recent update to your computer's firewall or antivirus software might be incorrectly blocking access to the network share.
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