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

How to transfer a file by terminal ?

How to transfer a file by terminal ?

open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

cp -R file_name /Place the file transfer

cp = the command to copy the file

-R = transfer the file with privilege

for example :

is seen transferring the file amine.tag worm Bureau

cp -R amine.tar /home/amine/Bureau 

What is the difference between 64 and 32 bytes?

What is the difference between 64 and 32 bytes?

System supports 64 bit memory access large volumes of up to 32GB and here I mean RAM Unlike 32bit system and who can not access the memory higher than 4GB ..

In other words if the computer provider sized 6GB of RAM and installed Windows 32bit, we can not take advantage of the full size of the memory and the system will use only 4GB of RAM ..

System 64bit is characterized by providing a large capacity of virtual memory for Windows up to more than 10 terabytes, which is memory that can be tapped from the hard disk and uses Windows to speed up the tasks of running applications in time and one which gives high performance of the system and speed, especially in software designs photographic or designs video Alaab or high-precision ..

But 32bit system lacks this feature, which makes it less in the performance of 64bit many stages ..

In terms of safety in the system 64bit data encryption in the proportion of higher and stronger than the 32bit and this important feature ..
Had we noticed the current computers found all come with a copy of Windows 64bit to be to take advantage of the full resources of the machine to be excellent performance ..

How can I make sure that I have a processor system supports 64 bit ?

Modern processors mostly supports 64 bit but we must ensure support for this system before installing

There are several ways to make sure that I'm going to explain them easier ..

We download this program from here ... Download

Processor means that the device does not support the system 64 bit ..

If we have emerged this picture .. This means that the processor system supports 64bit ..

how to analyze a flash disk with kaspersky Antivirus ?

how to analyze a flash disk with kaspersky Antivirus ?

First enter the flash disk

Second, enter the computer icon

You can distinguish the flash disk icon from the rest of the icons, In this case I've got the letter J :

Click the right mouse button

Choose Find Virus

We'll give you a small window in which the process 

In the last report in which there are a number of viruses and how you can delete them by clicking on the delete button Or no viruses, such as in this picture

How do I choose a computer?

How do I choose a computer?

Because every one wants the best in his daily life, is also interested in computer that has a strong and beautiful at the same time
But not all of us want to work a computer, there are those who prefer to play and there are those who want to chat and there is no reason to buy it because he liked only ...
For this reason, choose Personal Computer respect to your requirements

1- If you prefer to play computer Or the use of graphic programs such as 3 ds-max or Autocad  you must take into account the following things:


The first thing Graphics card 

Because of the evolution of electronic games almost all require a large area of ​​GPU

In second place comes the living memory 

Do not forget the processor because it is the heart of the computer

If we talked about the processor must mention the cooling fan is better to choose the best cooling

Buy joystick in order not to damage the keyboard 

2- If you prefer to chat and writing can be selected only ordinary computer and Do not forget to buy a comfortable chair So you do not get pain in the back and neck

problem press F1 to continue

The cause of this problem is the CMOS

you must be changed CMOS

replace the old with the new cmos

start your computer and do not forget to set the date because not even this message the next faith

how to install a package .rpm?

how to install a package .rpm ?

open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

rpm -ivh package_name.rpm

i = required for installation

v = to display the information of the plant

h = to display the progress bar

unzip a tar.gz file

to decompress a file compressed on linux :


open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

tar -zxvf file_name.tar.gz

file_name = your file name to unzip .

setting time linux

How to set the date and time of the terminal partire

open the terminal

enter as administrator ( root ) with the following command :

su 

then type password

type the following command :

date 

the current date is displayed

                                              Thursday. August 21 09:47:16 CET 2014

to change the date type 

date MMDDHHmmAA

MM is the month
DD the day
HH the hour
mm minutes
AA year

for example :

date 0828004514

result :

Thursday. August 28 00:45:00 CET 2014

Problem resolution screen

problem resolution screen:

1- press the start button 

2- select Run from the menu

Then we write the following command

control desktop

Then OK .

drag the arrow to more 

Apply then OK

Hooop  the problem is solved