What is causing PC’s to Wake up from sleep?
We investigated this particular issue by looking at various user reports and the repair strategies that are commonly being used to resolve this particular issue. Based on our investigations, there are several different potential culprits that might end up causing this particular problem: If you’re currently struggling to resolve the same problem, this article will give you some troubleshooting ideas. Down below, you’ll find a collection of methods that other users in a similar situation have successfully used to fix the problem and stop their computers from waking out of sleep with no apparent trigger.
Method 1: Disabling Wake Timers
Some affected users have reported that they finally managed to resolve the issue after disabling Wake Timers from the advanced Sleep options. A wake timer is a timed event that wakes the PC from sleep or hibernation mode (at a specific time). By default, a PC is configured to only allow Important wake timers to disrupt a sleep or hibernation session. Here’s a quick guide on disabling wake timers to ensure that your machine doesn’t get waked up from sleep: If you’re still seeing your computer waking abruptly from sleep with no apparent trigger, move down to the next method below.
Method 2: Preventing the network adapter from waking the PC
Another popular fix for this particular issue is to disallow the hardware responsible for waking up the computer using Device Manager. Several users encountering the same exact issue have reported that the issue was finally fixed after they used Device manager to prevent their network adapter from waking up their PC. Here’s a quick guide on how to do this: If you’re still noticing that your computer is suddenly waking up from sleep even after this modification is enforced, move down to the next method below.
Method 3: Disabling the Automatically Scheduled task of Disk Defragmenter
As some users have reported, another potential culprit that might end up triggering this issue is an automated Disk Defragmenter task. Several users that we’re encountering the same issue have reported that their computer has finally stopped waking up from sleep after they disabled the automated defragmenting task of Disk Defragmenter. Here’s a quick guide on how to do this: If this method still hasn’t resolved the issue, move down to the next method below.
Method 4: Identifying the device waking the computer
If you don’t mind using the terminal, there one method that will allow you to pinpoint the issue and figure out which of your connected devices is causing the sudden wakes. Several affected users have managed to stop the device causing the issue by running a series of command prompts to troubleshoot the problem. Here’s a short guide that you can use to determine which devices (besides your network adapter) are capable of waking your system: If you’re still encountering the same issue, move down to the next method below.
Method 5: Disabling Wake on Magic Packet and Wake On Pattern Match
Several affected users have reported that they managed to resolve the issue by disabling to Network Adapter properties: Wake On Magic Packet and Wake on Pattern Match. Disabling these two properties will ensure that your network adapter will no longer have the capabilities to wake up your computer from sleep. Here’s a quick guide on how to do this:
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