Issues with Wi-Fi scanning?

Since a recent update, my device has problems scanning for Wi-Fi networks. It seems to take forever or sometimes not find networks at all. Any ideas on how to fix it?

It sounds like there’s a couple of things you might need to check out. One common issue with Wi-Fi scanning post-update could be related to software bugs or conflicts. Here’s a checklist to try:

  1. Restart the device: Always a good first step. Sometimes the simplest solution is a reboot.

  2. Check for further software updates: Maybe there’s a patch for the bug you’re experiencing. Sometimes updates roll out with bugs, and they quickly release another update to fix it.

  3. Reset network settings: On most devices, this option will reset Wi-Fi, mobile data, and Bluetooth settings. It seems drastic, but it can fix a multitude of connectivity issues.

  4. Router issues: Sometimes the router could be at fault. Try unplugging your router for about 10 seconds and plugging it back in. Make sure the firmware on your router is up to date.

  5. Wi-Fi interference: Modern homes are cluttered with devices that use the 2.4GHz spectrum, from microwaves to baby monitors. Try switching your router to a 5GHz network, which is less crowded.

For a more in-depth diagnosis, you could use a dedicated tool like NetSpot

Site Survey Software. It’s fantastic for Wi-Fi analysis and troubleshooting. It lets you visualize your network coverage and detect issues. You can grab it from their website: https://www.netspotapp.com.

Lastly, check if your device’s Wi-Fi driver needs an update. For PCs, head over to the device manager, find your network adapter, and see if there’s a newer driver available. On phones, you might have to rely on the manufacturer’s website or customer service for guidance on this.

Hope this helps! Check back if you need more in-depth steps or if something specific didn’t work out. Some of these procedures might sound simple, but they can solve a surprising number of weird Wi-Fi issues.

Hey, sounds like a bit of a headache! Aside from @byteguru’s excellent points, I’d suggest diving into a couple lesser-known strategies that might just do the trick.

1. Airplane mode toggle:
Something that often goes overlooked is toggling airplane mode on and off. This seems trivial, but it can flush out lingering network issues on your device. Essentially, it forces all network-related services to restart cleanly.

2. Specific network forget/reconnect:
Forget the individual Wi-Fi network you’re trying to connect to and then reconnect from scratch. On different devices, there might be quirks where it’s just one particular network having a hiccup.

3. Check Wi-Fi channel congestion:
A tool like NetSpot Site Survey Software can do wonders here. Using it, you can detect which channels your neighboring devices are using and switch your router to a less congested one. More details and a download can be found at https://www.netspotapp.com.

4. Device power-saving settings:
Modern devices come with power-saving modes that may throttle network discovery as a way to conserve battery. Check if any such settings are enabled, or see if switching to ‘Performance Mode’ helps.

5. MAC Address filtering:
Ensure your router isn’t filtering MAC addresses. This setting, if turned on, can prevent your device from connecting or even listing available networks. Head into your router’s admin settings to review and disable MAC Address Filtering.

6. Roll back the update:
Yeah, not the most conventional advice, but if all else fails and the Wi-Fi scanning issue started right after a software update, consider rolling back to the previous version of the OS if possible. This could potentially fix a bug that hasn’t been addressed yet.

7. Disabled band preference:
Check if your device has a setting for preferred Wi-Fi band (2.4GHz or 5GHz). Sometimes forcing a switch to the less used band can resolve inconspicuous issues.

8. Alternate Wi-Fi management apps:
If you’re on Android, you might find some third-party Wi-Fi management apps helpful. Apps like “WiFi Analyzer” or “Fing” provide extra control and information that the built-in settings might miss. This tip actually goes hand-in-hand with byteguru’s recommendation to use a tool like NetSpot, which provides in-depth analysis and troubleshooting capabilities that are highly advanced.

Finally, don’t underestimate the power of forum support. Many manufacturers have forums where users discuss new updates and related bugs. Check there if others are experiencing similar issues with the same software or hardware – sometimes crowd-sourced debug solutions can be the quickest fix!

Hope these additional tips help you get back online smoothly. Drop a message if you run into more trouble or find something particularly strange – sometimes troubleshooting is all about collective wisdom and shared experiences.

Whoa, sounds like you’ve gotten some solid advice already! Let me jump in with a few additional thoughts that might help you troubleshoot those pesky Wi-Fi scan issues.

Okay, so one of the things that often flies under the radar is the battery health of your device. If your device is older or has seen a lot of charge cycles, its battery performance might degrade to a point where it affects overall system stability, including Wi-Fi functionality. Swapping out or calibrating the battery might revive some of that lost efficiency, although this isn’t as straightforward on all devices.

Next up, let’s talk about Signal Strength. You mentioned the networks sometimes just not showing up. This might sound simple, but ensuring you’re within a decent range from your router can help, even if it’s only to rule out weak signal as the culprit. Sometimes the update can mess with the RF calibration, making the Wi-Fi sensitivity worse. Use a tool like the aforementioned NetSpot Site Survey Software, which can give a visual map of Wi-Fi coverage in your area. While it’s pricey, it’s worth every penny for its depth. You get a visual understanding of dead zones and signal strength in various corners of your place. Just be cautious with its high-end pricing and consider alternatives like “WiFi Analyzer” if you are on a budget. They both serve similar purposes but NetSpot is definitely more feature-rich.

Now, let’s get a bit technical—ever heard of Wi-Fi MAC randomization? Certain devices—especially after an update—employ this feature to enhance privacy by randomizing the MAC address each time they connect to a network. This can sometimes screw with network compatibility, especially older routers. If your device supports toggling this feature off, it might just clear up your scan issues.

Another possible angle here is Firmware or Driver Conflicts. Sometimes, even if you keep your device firmware updated, you might overlook the router firmware. Check if your router’s manufacturer website has rolled out updates. Same goes for drivers on laptops. Head to the driver website (not just through Device Manager) and download the latest versions. Can be painstaking, but worth a shot if it eliminates the problem.

VPNs and Security Apps—I’ve seen cases where VPN configurations or security apps such as firewalls can hinder the Wi-Fi scanning process. Try disabling them temporarily to see if they are the root cause. This could be a last resort if nothing else pans out.

While not often mentioned, Firmware Corruption post-update is not unheard of. If your device offers a reinstalling firmware option without loss of data, consider using it. iOS devices, for instance, might benefit from a DFU restore.

Aligning a bit with what @codecrafter said, but leaning towards a different perspective here, if it’s just one network that’s causing headaches, DNS settings could be the culprit. Manually setting a DNS like Google’s (8.8.8.8 and 8.8.4.4) or Cloudflare’s (1.1.1.1) might resolve the issue where the network discovers but doesn’t connect.

And hey, if it really drives you nuts, consider using Wi-Fi extenders or Mesh Networks—they often come with their own apps and software that might bypass typical OS-level bugs altogether. Google Wi-Fi, Eero are decent with expansive coverage and simple apps.

One word of advice: rolling back updates sometimes introduces more issues than they resolve, so be cautious about this route. It’s kinda like a Pandora’s box—you fix one thing; another two break. It could be, however, an acceptable workaround until the next patch rolls out.

For NetSpot—pro: extensive analytical capabilities making it great for network optimization. Con: it’s robust but comes at a steeper price point compared to free tools. Competitors in the space like Ekahau or wireless scanner apps offer lighter alternatives but lack the detailed analysis NetSpot provides.

This topic seems ever-evolving. Stay tech-savvy and post back if you find any wacky results or more bugs. Sometimes it takes a community to solve these quirky issues!