Thursday, May 22, 2014

Install Hyper-V Server 2012 in VM VirtualBox

Problem
When try to install Hyper-V Server 2012 will get the error as below

Your PC needs to restart.
Please hold down the power button.
Error code: 0x000000C4
Parameters:
0×0000000000000091
...

Solution

  1. Go to command prompt by click START, type cmd.
  2. Find your virtual machine name that want to install Hyper-V server, to list down all existing virtual machine,type "c:\Program Files\Oracle\VirtualBox\VBoxManage.exe" list vms
  3. After found the VM name, type this command: "c:\Program Files\Oracle\VirtualBox\VBoxManage.exe" setextradata [your vmname] VBoxInternal/CPUM/CMPXCHG16B 1
  4. Done.
For more info pls refer http://en.wikipedia.org/wiki/X86-64

Tuesday, April 1, 2014

Chromecast connection to Unifi

To connect Google Chromecast to unifi internet:-


  1. Go to router setting, 192.168.0.1,TM Unifi router default username and password as below:
    • Username: operator
    • Password: h566UniFi
  2. Go to Advance -> Advance Network. 
  3. Check "Enable Multicast Streams"

Monday, March 10, 2014

NO USB Debugging Mode in Android 4.2


  1. Open Setting, go to About Device
  2. Tap the Build Number 7 times
  3. Developer Options menu will appear