how to restore the operating system

System Restore is the most reliable method to avoid formatting and seek solutions.

How to restore the operating system :

to restore the system to follow the following steps :

1- Click on Start / All Programs / Accessories / System Tools / System Restore.

2- Make a click on Next:
3- Select a date on the list, then click Next.
4- Click Finish.

System Restore begins.....

the pc will restart

The first window is the result of the restoration of the system

if the procedure is completed successfully you see this picture

if this picture does not appear So you have a virus or there is a shortage in the files that system was unable to retrieve.

Problem USB Device Not Recognized ?

USB Device Not Recognized ?

This problem afflicting many GLA that the solution is very simple and easy

1- press the start button 

2- select Run from the menu

Then we write the following command

regedit

Then OK .

Go to the next track

HKEY_LOCAL_MACHINE/SYSTEM/CURRENT CONTROL SET/SERVICE/USBSTOR

On the right  START

Click the right mouse button

Click change 

change the value 1 to 3 

restart your computer 

good luck...

see this video https://www.youtube.com/watch?v=A1Tf9YCoIYo

how to change the RAM ?

how to change the RAM ?

RAM is a temporary memory , When you reach the living memory to the end of her life because of a malfunction Electronic components must be changed, but a lot of people do not know the correct way to do it  , I will explain to you the way in which both sides of the untested

1- Unlock the computer cover

2- Look for a place living memory

3- Unlock the lock buttons

4- Remove the living memory but do not touch it from the inside

Install the new memory and then reconnect the closing protection

The same for the laptop

how to share a printer ?

How to share a printer ?

to share a printer on a local network enter the Control Panel

display device and printers

Right-click the desired printer and select Printer Properties option

check both box and select a share name

press apply then ok ,to confirm that the printer is shared  you can find a hand under the printer or two head on windows 7 .

congratulation, the printer is now shared .

how to create a folder on linux?

how to create a folder on linux?

to create a folder on linux from terminal

open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

mkdir folder_name

for example :

I want to create a folder with the name amine 

mkdir amine

Hooop ....the folder is created

The problem disc is write-protected

The problem disc is write-protected :

the first solution :

If the flash disk lock button which must be placed in a case UNLOK

If there is no lock button turn to the second solution :

1- press the start button 

2- select Run from the menu

Then we write the following command

regedit

Then OK .

Go to the next track

HKEY_LOCAL_MACHINE/SYSTEM/

/CurrentControlSet/Control/Session Manager

On the right  ProtetionMode

Click the right mouse button

Click change 

change the value 1 to 0 

restart your computer 

good luck...

how to read a txt file from terminal ?

how to read a txt file from terminal ? 

open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

vi file_name

for example :

I want to read the file amine.txt

vi amine.txt

to change a word type on the letter i

to exit the vi text editor with change press the esc button and type 

:wq 

w = write 

q = quit 

to exit the vi text editor its backup press the esc button and type

q!

q= quit 

! = confirmation