Windows 10 build 15014 issues: High CPU usage, undetected hard drives, and more

by Madalina Dinita
Madalina Dinita
Madalina Dinita
Windows & Software Expert
Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer. She is interested in all things technology, especially emerging technologies... read more
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Windows 10 build 15014 packs a bevy of new features, bringing us closer to the Creators Update. To fuel your curiosity, here’s what you can expect to find in build 15014: Native ebook support for the Windows Store and Microsoft Edge, a new custom color option, a new power slider, a new feature that automatically frees up space on your computer, and more.

Alongside these new features and improvements, build 15014 also brings issues of its own just like any other build. Microsoft already published an official list of known issues that includes some bugs known to Insiders from the previous build.  If you haven’t downloaded the latest Windows 10 build, expect to encounter install issues as well as audio bugs, high CPU usage, and Edge crashes. Apart from these issues, build 15014 also packs other bugs that Insiders are only now starting to discover.

Windows 10 build 15014 reported bugs

Safe Mode Minimal and Network are broken

Insiders report that Safe Mode and Network are unresponsive in build 15014. This is quite annoying since Safe Mode is a very useful troubleshooting tool. Safe Mode starts Windows in a very basic state, enabling only a limited set of files and drivers. In this manner, users can quickly identify the culprit for various technical issues.

Both 32-Bit and 64-Bit Build 15014.1000, the Safe Mode Minimal and Network are both broken in this Build and remains unusable.

Hard drive crashes

One Insider reports that after installing build 15014, his computer now displays the error message “No Boot Device Found”. After attempting a diagnosis in BIOS, the results show that there was no hard drive installed and no Boot Option.

I was asleep and PC must’ve tried to update to this latest build and suddenly after I woke up, I see PC displaying No Boot Device Found and then I did Diagnosis in BIOS and it showed Hard Drive not installed and there no Boot Option. This build 15014 on Jan 20 crashed my PC.

Action Center is blank

Action Center randomly turns blank, but you can quickly solve this issue by restarting your computer.

Action Center was entirely blank for me post installation; it was just a beautiful translucent slab. A reboot got it back.

Speech Runtime Executable kills CPU

The speechruntime.exe file stays in the background and chews up 25% of the CPU. Killing the app through Task Manager doesn’t help.

New issue here as well.Here it’s just speechruntime.exe though, which I noticed taking 25% (one core out of four)? The first time I killed it, it just came back, and it wasn’t because I said “Hey Cortana.” I guess there are other ways

Build 15014 update error 0x800705b4

The install process of build 15014 is not a smooth one for all users. Some Insiders haven’t been able to download and install the latest Windows 10 build on their machines due to error 0x800705b4.

Stuck on 0x800705b4 :/

Build 15014 breaks games

Playing games on a computer running the latest Windows 10 build is not a good idea. Titles such as Dota 2, CSGO, Geometry Dash and others don’t get along too well with build 15014. Some players can launch games only in windowed mode, and certain settings in GeForce Experience are unavailable, just to name a couple of issues.

One quick tip: Valve just released a new update for Dota 2, fixing compatibility issues with the latest Windows 10 Insider Builds.

Windows 10 Mobile build 15014 bugs

As far as Windows 10 Mobile is concerned, the main issues reported by Insiders are the following:

  1. Error 0x8024800a blocks the update process
  2. SD encryption is available, but decryption fails
  3. The keyboard cursor remains on the right side, even if users set it to left
  4. The APN doesn’t display the network set option
  5. Ebook reading is pretty slow and laggy. Somehow, this was to be expected since Micrsoft introduced this feature only recently.

These are the most frequent issues affecting build 15014. If you’ve come across other bugs that we didn’t mention in this article, use the comment section below to tell us more about your experience.


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