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I recently switched over from Eclipse ADT to Android Studio and as soon as I tried to fire up the emulator, I saw the following message:

emulator: ERROR: x86 emulation currently requires hardware acceleration!
Please ensure Intel HAXM is properly installed and usable.
CPU acceleration status: HAX kernel module is not installed!

On Googling around, I found that disabling Hyper-V would solve this problem. It did. And the emulator worked like a charm. But then, my internet stopped working. In any form. WiFi, Ethernet, every kind of service went bust. Re enabling Hyper-V restored my internet connection, but the error came back. So, I can either use the internet or my emulator.
I really can't keep doing that. Is there an alternate to this?

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  • Wow, 20k views in 5 months and no answer?
    – Pacerier
    Jul 1, 2015 at 13:39
  • @Pacerier it's a common issue, and yet, no fix has been found. Since then, I have been using my device/genymotion for development
    – Ranveer
    Jul 1, 2015 at 13:43

2 Answers 2

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You need to install Intel's HAXM module. HAXM accelerates your emulator so you don't test apps like a slideshow.

My advice: Install Intel HAXM. Leave Virtualization Acceleration functions (Hyper-V, Vt-X etc.) activated and the emulator will work. There seems to be something wrong with your network adapter/configuration, too. Virtualization should be independant from your network.

Also please read the error message first and do a Google search to make sure such questions aren't already answered.

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    I did install Intel HAXM. I still have the problem. Also, I did Google the issue, but didn't find anything apart from disabling Hyper-V
    – Ranveer
    Jan 18, 2015 at 14:35
  • The error message "HAX kernel module is not installed!" makes me assume it's not installed. If Hyper-V is not used, it shouldn't cause any issues AFAIK.
    – GiantTree
    Jan 18, 2015 at 14:38
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    So here's what I did. I disabled Hyper-V and installed HAXM. The emulator then worked. But re enabling Hyper-V gave this error message again.
    – Ranveer
    Jan 18, 2015 at 14:40
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    Also, this is where I got the advice from: stackoverflow.com/a/18207178/2302611
    – Ranveer
    Jan 18, 2015 at 14:52
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    Well, in that case, I'll keep this question open. :/
    – Ranveer
    Jan 18, 2015 at 15:18
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I solved this by creating a new Virtual Device in AVD Manager with API level above 14. Try using API level 15 or higher.

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