Show hidden files using command prompt

open command prompt and type the drive name.. then enter the below command.

attrib -s -h -r /s /d

HOW TO SOLVE ORA-28001: THE PASSWORD HAS EXPIRED

https://hecpv.wordpress.com/2014/10/16/how-to-solve-ora-28001-the-password-has-expired/

How to detect Windows Disc is 64 bit or 32 bit

go to the drive root and open the autorun.inf file.

In notepad, the 64 bit version shows:

[AutoRun.Amd64]
open=setup.exe
icon=setup.exe,0

[AutoRun]
open=sources\sperr32.exe x64
icon=sources\sperr32.exe,0

The 32 bit version shows:

[Autorun]
open=setup.exe
icon=setup.exe,0

----------------------

Open a command prompt as an administrator

Start, cmd, Ctrl+Shift+Enter


Insert the Windows 7 DVD, and close any autoplay popup.
Type dism /Get-WimInfo /WimFile:X:\sources\boot.wim where X is your DVD drive's letter.

You should see something like the following:

Deployment Image Servicing and Management tool Version: 6.1.7600.16385

Details for image : h:\sources\boot.wim

Index : 1
Name : Microsoft Windows PE (x86)
Description : Microsoft Windows PE (x86)
Size : 806,390,831 bytes

Index : 2
Name : Microsoft Windows Setup (x86)
Description : Microsoft Windows Setup (x86)
Size : 881,382,947 bytes

The operation completed successfully.



If your disk is 32-bit, it will look like above where it says (x86). If it's 64-bit, it should say, (x64).

How to unhide the hidden folders and files

If Pendrive drive letter as H:

Enter this command: attrib -h -r -s /s /d h:\*.*

How to change product key in Windows

Type the following in command

slui.exe 3

How to shrink volume in Windows 8 beyond the point from C drive

To DO 1.Disable Hibernation

How to Disable Hibernation in Windows 8?

1. In Windows 8, press Windows + X to open WinX menu, then select Command Prompt (Admin).
2. Type the command: powercfg –h OFF
3. Press Enter key, this will disable the hibernate feature.
4. Now restart the computer, you won’t be able to seehibernate.sys file in your system drive. If you can still see it, simply delete it.
5. Now you have successfully disabled hibernate and free the hard disk space.

If you want to enable hibernation again, you can use the same method above to open an elevated Command Prompt with administrator rights, then type the command: powercfg –h ON to enable the hibernation.

To do 2:Disable Paging in C Drive temporarily

Open Control Ptanel > Systems > Advanced System properties > Advanced tab > Performance > Settings Performance options > Advanced tab > Performance Settings > Performance Options > Advanced tab > Virtual Memory > Change > Uncheck Automatically manage paging file size > select system drive > select No paging File > Click OK/Apply till you exit all windows. Restart.

To do 3:Diable System protection in c Drive temporarily

Open Control Ptanel > Systems and Security>System > Advanced System properties >System Protection

Configure>check Turn off system protection(For c drive).Restart

Now try shrinking the c volume..It worked for me:)

Note:Make sure to re-enable the paging and system protection after shrinking the c drive.