How to Turn On or Off Search Indexer Respect Device Power Mode Settings in Windows 10
Indexing the contents of your PC helps you get faster results when you're searching it for files and other things. Learn how it works.
Indexing is the process of looking at files, email messages, and other content on your PC and cataloging their information, such as the words and metadata in them. When you search your PC after indexing, it looks at an index of terms to find results faster.
When you first run indexing, it can take up to a couple hours to complete. After that, indexing will run in the background as needed on your PC as you use it, only re-indexing updated data.
Starting at least with Windows 10 build 18965, you can turn on or off having the search indexer respect device power mode settings. This will affect the indexer performance.
The Windows performance power slider enables you to quickly and intelligently trade performance of your system for longer battery life. As you switch between the four power modes to trade performance for battery life (or vice versa), Windows power settings are engaged behind the scenes. You are able to customize the default slider mode for both AC and DC, and can also configure the power settings, and processor power management (PPM) options, that are engaged for each slider mode.
If you turn on Respect Device Power Mode Settings, the indexer will stop searching and updating the database with new information in the background or throttle it down during certain times. For instance, when the device is in power saving mode, low power mode, or gaming mode. Or when the processor usage peaks 80 percent, or disk usage goes up above 70 percent.
This tutorial will show you how to turn on or off having the search indexer respect the device power mode settings for indexer performance for all users in Windows 10.
You must be signed in as an administrator to turn on or off having the search indexer respect the device power mode settings.
If you disabled Search Indexing, then the Respect Device Power Mode Settings setting will automatically be disabled as well.
Contents
- Option One: Turn On or Off Search Indexer Respect Device Power Mode Settings in Settings
- Option Two: Turn On or Off Search Indexer Respect Device Power Mode Settings using a REG file
1 Open Settings, and click/tap on the Search icon.
2 Click/tap on Searching Windows on the left side, and turn on or off (default) Respect Device Power Mode Settings for what you want under Indexer Performance on the right side. (see screenshot below)
3 When finished, you can close Settings if you like.
The downloadable .reg files below will add and modify the DWORD value in the registry key below.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Search\Gather\Windows\SystemIndex
RespectPowerModes DWORD
0 = Off
1 = On
1 Press the Win + R keys to open Run, type regedit into Run, and click/tap on OK to open Registry Editor.
2 Navigate to the registry key below in the left pane of Registry Editor. (see screenshot below)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Search\Gather\Windows\SystemIndex
3 Change the owner of the SystemIndex key to be Administrators.
4 Change the permissions of the SystemIndex key to "Allow" Administrators "Full Control".
5 You can now close Registry Editor if you like.
6 Do step 7 (on) or step 8 (off) below for what you would like to do.
A) Click/tap on the Download button below to download the file below, and go to step 9 below.
Turn_ON_RespectPowerModes_for_search_indexer_performance.reg
Download
This is the default setting.
A) Click/tap on the Download button below to download the file below, and go to step 9 below.
Turn_OFF_RespectPowerModes_for_search_indexer_performance.reg
Download
9 Save the .reg file to your desktop.
10 Double click/tap on the downloaded .reg file to merge it.
11 When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.
12 Restart the computer to apply.
13 You can now delete the downloaded .reg file if you like.
That's it,
Shawn
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