IT Knowledge Base

When I right clicked on my desktop it took about 30 second until the context menu appeared. I tried to solve it with updating the graphic card drivers but it still didn’t help. Finally I found the solution.

Delete all Graphiccard related entries in the registry:
HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers

So if you can’t recover the Primary Domain Controller then you have no other choice than making a member DC to a PDC. You can seize the roles with ntdsutil.

Run command prompt with domain admin rights:
1. ntdsutil
2. roles
3. connections
4. connect to server MyMemberDC
5. q
6. Seize domain naming master
7. Seize PDC
8. Seize RID master
9. Seize schema master
10. q q
11. dsa.msc

* We don’t seize Infrastructure Master because it should be on another DC where the Global Catalog isn’t installed.
* You can get help in ntdsutil anytime if you just write help and press enter

I have always been a big fan of virtual reality but haven’t been following it for a long time. Somewhere on the net I heard about Google Cardboard and I thought i give it a shot. I didn’t have very high expectations because it is made just of carton, lenses and magnets. To my suprise the experience was awesome.

More Info:
Cardboard

What it looks like:

There are several software (emulator) to run android apps on your windows or mac computer. I tried so far BlueStacks and Genymotion. BlueStacks made a cluttered and slow impression and Genymotion worked smoothely and fast.

Here you can download Genymotion:
Genymotion

If you want to install Android apps on Genymotion you need to install Google Play Store first. Follow this step by step:
1. Create a virtual device
2. Download the right Google Play Store version
3. Drag&Drop the zip file in the running virtual device
4. Let it install and restart the device
5. Run Google Play Store and run all updates