To detect whether you’re computer is running with a BIOS or UEFI, type the following command:
reg query HKLM\System\CurrentControlSet\Control /v PEFirmwareType
The following results codes are available:
Depending on the BIOS or EFI the hard disk partitioning will use MBR (with BIOS) or GPT (with UEFI) when installing Windows 7 /8.
More information about the difference between GPT and MBR can be found on the Wiki pages:
GPT = GUID Partition Table (http://en.wikipedia.org/wiki/GUID_Partition_Table)
MBR = Master Boot Record (https://en.wikipedia.org/wiki/Master_boot_record)
Normally when UAC kicks in, the network connections are reset because it is an another session. To have the same network connections after the UAC prompt is passed, you have to enable LinkedConnections. THis can easily be done in the registry.
Windows Registry Editor Version 5.00
Or download here
More information: http://support.microsoft.com/kb/937624
My Pictures Library located on a network share is very slow when opening, even if no pictures are loaded but just icons. To avoid this:
Open properties of the My Pictures folder. Click Customize tab. Change Optimize this library for value from Pictures to General Items.
Now it should open much faster.