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A Wi-Fi drop that repeats at the same clock time every day is a strong clue, but it does not prove your router is blameless. Official vendor and platform documentation describes four mechanisms that can produce a daily pattern: a scheduled router reboot, a radar-triggered channel change on a DFS channel, a Windows power-saving setting on the affected PC, and a problem on the provider’s side or in shared equipment. The fastest way to tell them apart is to establish two things: whether one device or every device is affected, and whether the drop removes the Wi-Fi connection itself or only the internet access behind it.
Start with two different failures
“Connected to Wi-Fi” and “the internet works” are separate states. Microsoft’s guidance on Wi-Fi problems in Windows 10 and Windows 11 makes this distinction explicitly: a PC can stay connected to the router while the modem or the internet service behind it has failed. So when you say the Wi-Fi “drops,” check which state you are in during the outage. Your Wi-Fi icon may still show a connection while every app reports no internet, or the icon may disappear entirely. Those two symptoms point to different layers.
Four explanations that fit a daily pattern
1. A scheduled router reboot
Some routers can restart automatically at a set time. ASUS documents a reboot scheduler on supported models, where you choose the days and the time. ASUS states that a reboot disconnects the network for about 1 to 3 minutes, and the exact duration varies by model. If your router has a schedule enabled for the minute your Wi-Fi drops, that is a direct and testable explanation. The setting is usually found in the router’s administration page or app under an administration, system, or restart option. Labels differ by model and firmware, so search the admin page for “reboot” or “schedule” if you do not see the same wording.
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On 5 GHz, many routers use DFS (Dynamic Frequency Selection) channels, which share spectrum with radar systems. When the router detects radar on its current channel, it must move. ASUS’s support article on DFS, last updated 2024-12-13, quotes the consequence directly: “This behavior will cause connected WiFi clients to be disconnected from the network for a period of time before re-connecting to a different channel.” The same article says the channel availability check that follows takes 1 to 10 minutes depending on country, and that 2.4 GHz can remain available while 5 GHz is being checked.
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This mechanism has a useful limit. Radar detection is triggered by radar, not by a clock, so a DFS event alone rarely lands on the same minute every day. If your drops line up precisely with a time but affect only 5 GHz devices, a DFS event is worth checking, yet the timing still needs confirmation from the router’s log.
3. A Windows power-saving setting on one PC
Microsoft’s guidance for Windows Wi-Fi problems recommends turning off the power-management option that lets the computer switch off the Wi-Fi adapter to save power. This explanation fits a pattern where only one laptop or desktop drops, while phones and other computers stay connected. A power-saving rule rarely fires at the same wall-clock time unless the PC’s own sleep or idle behavior follows a daily routine, so check the PC’s power plan and sleep schedule before blaming this setting.
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To inspect it on Windows, open Device Manager, expand Network adapters, double-click your Wi-Fi adapter, and open the Power Management tab. If “Allow the computer to turn off this device to save power” is checked, clear it and click OK.
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4. The provider or shared equipment
If several devices lose internet at the same time, the cause may lie upstream. Google’s troubleshooting guidance for its Nest Wi-Fi and Google Wi-Fi products states that ISP service affects all devices, and advises contacting the ISP about recurring problems. The modem, the provider’s line, or a shared power event can also cause a daily failure, and a power event such as a scheduled appliance or circuit load can repeat at the same time. None of the official sources quantify how often a daily same-time drop turns out to be one of these causes, so treat each explanation as something to test rather than a likely answer.
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How to narrow it down in order
- Log each occurrence. For several days, record the local clock time, the length of the outage, which devices were affected, the router’s status lights, and whether the Wi-Fi icon disappeared or stayed connected while apps reported no internet. This log is the most useful input for every later step, including the conversation with your provider.
- Test one device against the others. During the next outage, check a second phone, laptop, or tablet on the same network. If only one device drops, work through the PC’s adapter setting first, then look at that device’s own sleep and network settings.
- Check whether the router is reachable. On a Windows PC, open Command Prompt, run
ipconfig, and note the Default Gateway address. Then runpingfollowed by that address. A reply means the PC can reach the router over Wi-Fi. If the ping fails while the Wi-Fi icon still shows connected, the problem is in the local Wi-Fi-to-router path, which is what Microsoft’s guidance asks you to investigate next. - Check whether internet access fails when the router is reachable. If the gateway ping succeeds but websites do not load, the router is working and the failure lies beyond it, at the modem or the provider. Restart the modem only after logging the outage, so you keep the timing data.
- Run a wired comparison. Connect the same PC to the router or modem with an Ethernet cable during an outage, or during a normal period if you cannot time it. Microsoft’s guidance says that if internet works over Ethernet while Wi-Fi does not, the Wi-Fi router is implicated in that scenario. That result does not establish an ISP cause, and it does not clear the router of anything it cannot show on a wired test.
- Check the router’s schedule and log. Look for an enabled reboot or wireless on/off schedule that matches your times. On a router that uses DFS channels, check whether the system log records radar detection or channel changes at the same moments as your drops.
- Check upstream service. When every device loses internet at once, check your provider’s outage information, then contact them with your log.
Matching what you see to the likely layer
| What you observe | Layer most affected | Next check |
|---|---|---|
| Only one device drops; others stay online | That device’s Wi-Fi adapter or power settings | Clear the adapter’s power-saving option on Windows (Microsoft guidance), then watch the next occurrence |
| All devices drop; Wi-Fi icon disappears | Router restart, wireless off, or channel change | Look for an enabled reboot schedule (ASUS documents about 1 to 3 minutes of disconnection on supported models, varying by model); check logs for channel changes |
| Only 5 GHz devices drop; 2.4 GHz stays up | DFS channel on 5 GHz | Check for radar or channel-change entries in the router log; ASUS describes a channel availability check of 1 to 10 minutes depending on country |
| Wi-Fi icon stays connected; gateway ping fails | Local Wi-Fi-to-router path | Restart the router after logging; repeat the ping during the next outage |
| Gateway ping succeeds; websites fail; all devices affected | Modem or provider | Check provider outage information; contact the provider with your log |
| Ethernet works during an outage; Wi-Fi does not | Wi-Fi router, per Microsoft’s wired test | Review the router’s wireless settings and schedule; the test does not establish an ISP cause |
What to bring to your provider
- The exact clock times from your log, and the outage length for each occurrence.
- Whether all devices, or only Wi-Fi devices, were affected, and whether a wired connection still worked.
- The modem’s status lights during an outage, if you noted them.
- A request to check for a recurring problem on your line at that time of day, which Google’s guidance explicitly recommends.
Why the clock alone can mislead you
A daily time is a hint about what runs on a schedule, not a verdict on which device is at fault. A reboot schedule, an upstream maintenance window, or a power event can all produce the same clock time, and a router that is genuinely healthy can still produce the symptom through a scheduled setting. Your log, the device-by-device tests, and the wired comparison are what separate those explanations. Until those results exist, the honest conclusion is narrower than “it’s not my router”: the pattern points to a scheduled or recurring cause, and the tests above show which layer owns it.
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