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Windows 7: Dual Boot - Keyboard and Mouse NOT Working after switching OS

10 Aug 2015   #1
Jack W

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
Dual Boot - Keyboard and Mouse NOT Working after switching OS

My operating systems are:
Windows 7 Ultimate 64-bit (Default OS)
Windows 8.1 Pro 64-bit


Mouse and keyboard stop working at the logon screen (usually even sooner at Starting Windows loading screen) when switching from Windows 8 to Windows 7. But when you switch from Windows 7 to Windows 8, they still work but not vice versa. They don't work at the Windows 7 installation menu either when booting from Windows DVD.

I have tried:
  • Unplug mouse and keybaord. Nothing.
  • Plug-in another keyboard. Still nothing. It' s like they are being turned off immediately I plug them in.

Known temporary fixes:
1. Turn of PC and disconnect the power cable. Put the cable back in and start the PC. Mouse and keyboard are now work again. If you switch OS again you have to repeat these steps.
2. Go to the BIOS settings and change default settings related to USBs. Like USB Support to "Full Initialization" (default: Partial Initialization). Save changes and restart PC and they should work again.

How can I fix it so that mouse and keyboard always work when booting to a different OS?

My System SpecsSystem Spec
13 Aug 2015   #2
Jack W

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1

I got it fixed. The problem was related to USB 3.0.

Solution was to change Intel xHCI Mode from "Smart Auto" to "Auto" (or just disable it) under Advanced - USB Configuration. So it will not use USB 3.0 during the boot.

Note: Also make sure that Legacy USB support it set to Auto or Enabled.
My System SpecsSystem Spec
05 Feb 2016   #3

Windows 7 Enterprise 64-bit

Nice one Jack. I had same issue with Windows 7 after setting up a dual boot with Windows 10. Disabled USB 3.0 and now works a treat. Thanks ! I thought I was going mad ! Regards, Gary
My System SpecsSystem Spec

11 Feb 2016   #4
Paul G

Windows 10 Professional (64bit)

Thank you very much for the resolution on this. As I was also running in to the same issue when multi-booting from Windows 10 default, I was rather puzzled since the multi-boot was working. USB drivers were not loading.

I set Intel xHCI Mode to "Auto" and it is working fine now.

Heh, even Microsoft had no clue.

Thanks again! Very happy now with my dual-boot between Windows 10 and Windows 7.
My System SpecsSystem Spec
26 Sep 2016   #5

Windows 10 and 7 64bit

This thread just saved my sanity. I dual boot Windows 10 and 7, I have been trying to find a way to get keyboard and mouse working without rebooting a million times for months.

One click in my UEFI to set USB xHCI to works perfectly. I also found that having 10 as default works better than having 7 as default, before this change less problems if I had 7 default.
My System SpecsSystem Spec

 Dual Boot - Keyboard and Mouse NOT Working after switching OS

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