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"Enter Coherence" option is grayed out

APPLIES TO:
  • Parallels Desktop for Mac Business Edition
  • Parallels Desktop for Mac
  • Parallels Desktop for Mac Pro Edition

Symptoms

Unable to enter into Coherence mode because this option is grayed out.

Cause

Conflict between Standard VGA Graphics Adapter driver and Parallels Display Adapter (WDDM)

Resolution

  1. Go to Start Menu.
  2. At the search bar type Device Manager
  3. At the Device Manager expand Display Adapters.
  4. Right-click on Standard VGA Graphics Adapter (Microsoft Basic Display Adapter in Windows 10) > Uninstall it.
  5. Reinstall Parallels Tools (Actions menu > Reinstall Parallels Tools ) and restart Windows.
  6. Open Device Manager and check Display Adapters. Parallels Display Adapter (WDDM) should appear in the list.

Now you are able to run virtual machine in Coherence.

Search words:

Enter Coherence

PD

Coherence is grayed out

Coherence

"今天开始,如果启动Windows ,那么在"Windows启动后,在Mac的各种界面里(如浏览器等),都无法输入文字,光标可以到达,点击后按键盘无文字出现。此时如果用 搜狗拼音输入法输入汉字,会弹出输入法的输入框,也能显示候选字,但是其输入法界面是Windows的,如果把Windows关闭,则输入法就是Mac的搜狗输入法了。 以前一直没问题,今天才出现的。出现后,重启系统,或者重新安装Tools,或者重新安装输入法,都无济于事。




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