Your PC "lags" and scratching incessantly on your hard disk? The installation of one or several additional RAM memory modules should enable it to work faster and less to solicit the hard disk.
Indeed, the RAM or RAM of a computer is used by programs to store information and perform calculations. When it is full, the computer will use the hard disk, much slower, to temporarily store the necessary information. Thus, a
computer that lack of RAM will run at idle, because of many read operations, write or erase for the operation of programs. Choose good memory: the current desktop computer, there are two types of memory: SD - Ram: that fitted up
 to end 2000 the DDR-SDRam PC: new standard since late 2000


Barrette mémoire SD-RAM

If in doubt, refer to the manual of your motherboard. You will find all the necessary information, including the type of memory usage, the maximum installable memory, as well as the installation procedure. These two types of
memory then come in different 'speeds', expressed in MHz. There again, consult the motherboard manual to verify memory supported speed.
The different types of SD - Ram


Mémoire Bande Passante
SD-Ram PC66 66 MHz
SD-Ram PC100 100 MHz
SD-Ram PC133 133 MHz
SD-Ram PC166 166 MHz
There is nowadays the PC133 and PC166, also in endangered. For older memories, visit the sites of opportunity.
Note: you can use memories of higher speed than your motherboard will accept. In this case, verify their compatibility with the merchant. An example: there are SD - Ram compatible PC100 PC133 modules, that can turn at a slower
The different types of DDR-SDRam


Mémoire Bande Passante
DDR PC1600 100 MHz
DDR PC2100 133 MHz
DDR PC2700 166 MHz
DDR PC3200 200 MHz
Note: the DDR memory can work in ' dual channel ' (dual channel), provided that your motherboard supports this feature. This means that the PC will use two strips at the same time to improve performance. In this case, it must be
imperatively use two strips of identical features and capabilities, and install them on the slots indicated in the manual (if there are more than two slots). Materials needed for installation: magnetized Phillips screwdriver, long and thin,
if possible to unscrew the housing and the various elements (the magnet can be handy for easily retrieve fallen screws at the bottom of the housing).
A free DIMM SLOTS on your motherboard slot connect your new memory module. We reported the location of the DIMM slots in green on the picture below.


Installer une barrette mémoire dans son PC : la carte mère et les slots DIMM

How do I? Before you begin, take good care to read the warnings for each step below: step 1: disconnect start by unplugging the computer: remove the plug on the side power supply PC. No wire must connect to the sector: it would then risk of electric shock. Step 2: open it then unscrew the Phillips head screws in front rear housing, in order to remove the side panel blocking access to the motherboard (a tip: to not be wrong Panel, unscrew the opposite side to the rear connectors of the housing). You should then see map parent, such as presented in the picture above. This is the procedure to follow for "standard" cases, i.e. a tower ATX form (available at all assemblers). The towers powering the brand PC each have specific opening system. Don't panic, apart from the number of screws and their location, as well as a few covers additional plastic, the principle is the same. In this case check that the opening of the PC does not cancel its warranty


Stage 3: enficher

It must then locate the DIMM connector on the motherboard, and there plug your new memory module. PRIOR to any manipulation on the internal components of the PC, touch a few seconds the computer metal cover. This is to avoid a possible discharge of static electricity that could be fatal to your components. First, remove the plastic clips at the ends of the DIMM Slot. Then plug the bar gently, in a good way (impossible to fool you, the notches in the PCB of the barrette prevent you). Once the latter is properly pressed, rise the retention clips alone (it takes sometimes a little help them).
Step 4: close and start
It remains then to close the computer, plug it and start it. Monitor the information that is displayed at startup: the PC tests the amount of memory installed and displays.
Once Windows started, take a trip to the control panel (Start menu), and then click "System": the "Général" tab you can read information about your computer, including the amount of memory installed. Common problems
The PC refuses to start and beeps at switch: This means that the memory in use is not compatible with your motherboard, or that the Strip is defective. This can happen with the memories first prize, non-certified. At assemblers, you're given in general three days for an Exchange.


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Last edited: 2012-11-03

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