ora - 12514 and ora - 12505 tns listener error fixed

Here's how to fix this ora.

Open SQL Plus

run SYS/SYS as SYSDBA

then write the following lines :


show parameter local_listener


alter system set local_listener='(ADDRESS=(PROTOCOL=TCP)(HOST=LOCALHOST)(PORT=1521))' 


scope=both;


alter system register;


show parameter local_listener


enjoy watching video...



Windows Server 2003 external drives

After installing Microsoft Windows Server 2003 .
I found when attaching USB hard disk , it shows USB icon but does not mount Disk itself.

Here's how to fix it :
C:\>diskpart
diskpart>automount          
diskpart>automount enable   
diskpart>automount scrub    
diskpart>exit
C:\>exit
Source : ServerFault

Battery icon missing in Windows 10 - Microsoft Community

For those who lost Battery Icon in the task bar here is how to fix it :

Device manager,Batteries
 disabled/ re-enabled AC Adapter 
disabled/ re-enabled ACPI Compliant Control Method Battery.
 The battery icon should appear almost immediately after doing so and it is still there after restarting computer. 


Battery icon missing in Windows 10 - Microsoft Community: