How-to : Recover totally bricked Nokia Lumia 820


When trying to recover my Lumia 820 from unsuccessful OS upgrade, phone went completely dead.

I was not able to turn it on or see any sign of activity in the device (boot manager damage happened probably).

At that stage I decided to look for tool which can recover my boot manager and then OS on Lumia.

Tool I found is available on Microsoft web site:

…and here is how it recovered my phone…



How-to : Recover Nokia Lumia 820 when OS fails to load


When I tried to install Technical Preview of Windows 10 on my Nokia Lumia 820, I ended up with phone which went into infinite loop of updating.

As a result of that phone became unusable and there was no way to bring it back to life without any additional intervention.

To get phone back to life I used fostware available for free from Microsoft:

…and here is how that went…



How-To : Use Raspberry PI as Wireless Access Point


Here is how to turn Raspberry PI with Linksys WUSB100 v2.0 adapter and Raspbian into wireless access point. This might be handy for conference rooms where you have wired connection, but wireless signal is too low. Just quick setup on Raspberry, plugin the cable and you have wireless available.

Install required packages

apt-get install firmware-ralink wireless-tools hostapd bridge-utils

Modify /etc/network/interfaces to add bridge interface

auto lo br0

iface lo inet loopback
iface eth0 inet manual

allow-hotplug wlan0
iface wlan0 inet manual

iface br0 inet dhcp
bridge_ports eth0 wlan0

Once network configuration is modified reboot Raspberry PI.

Create /etc/hostapd/hostapd.conf file to define access point configuration


Add configuration information to /etc/default/hostapd

That will make hostapd daemon to start automatically each time Raspberry PI will bootup.


How-To : Install RDP server on Raspberry PI with Raspbian


By default on Raspberry PI with Raspbian you can enable SSH and connect via text terminal connection.

However, Raspberry PI offers also graphical environment.

How to access Raspberry PI graphical desktop remotely?

Here is how to install RDP server on Raspberry PI with Raspbian…



Tips & Tricks : Linksys WUSB100 ver.2 and Windows 7


Default driver for Linksys WUSB100 Ver.2 doesn’t work on Windows 7 64-bit. Instead  of that Ralink USB RT2870 (currently MediaTek) driver can be used.

Properly working driver can be found here.


Tips & Tricks : HP TouchSmart tm2t, Windows 8 and Switchable Graphics


Recently I came up with idea to upgrade operating system on my HP TouchSmart tm2t to Windows 8. In general there was no major issues except one. As this computer has two graphics adapters (Intel for low performance when operate on battery, AMD/ATI for better performance when operate on mains) there was small issue with configuring Switchable Graphics option.

After installation computer was operating only on low performance Intel card and thre was no possibility to switch to AMD/ATI. Here is what I’ve done ot make it work:


Page 1 of 212