Bluetooth handsfree / headsets with caller id on android or iphone

To be able to hear caller name in you bluetooth headset it must support the bluetooth protocol PBAP or Phone Book Access Profile - aka caller announce feature.

Plantronics has 3 headsets that offer this feature : Voyager Legend, Voyager Legend UC (B235/B235-M), Voyager Edge.

From Jabra : JABRA EXTREME2

If your headset does not support the protocol no play-store app will help you - I tries dozens of them.

Other bluetooth headset protocols are :

• A2DP (Advanced Audio Distribution Profile):you can listen to audio from the phone (music, gps indications, youtube etc)
• HFP (Hands Free Profile) : you can redial last number and activate voice dialing
• AVRCP (Audio/Video Remote Control Profile) : control audio from device : stop, play, forward, backwards etc

Black title bar in Internet Explorer 8

Go to System Properties - Advanced - Performance - Settings
and select Adjust for best appearance and then back to what setting you want.

It usually happens when you change windows theme.

Change a partition letter without disk management

The easy way is to open Disk Management (diskmgmt.msc) and right click and chose change partition letter. But for ex in windows embedded posready 2009 you do not have this option.

Open regedit and navigate to HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
Rename \DosDevices\D: to \DosDevices\E:  for ex and then restart windows.

VirtualBox showing only 32 bit os

Search for Turn windows features on or off
and deselect Hyper-v
Restart windows.

Resolve host name from IP address

For a windows machine you can check netbios records : 

nbtstat -a 192.168.1.50

To release or renew a DHCP ip type from cmd :
ipconfig /release 
ipconfig /renew

Hosts - file location : %SystemRoot%\System32\drivers\etc\hosts

To flush dns : ipconfig /flushdns