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I have recently installed a new windows 7 in my PC, and my PC in lagging alot (this is really unexpected). This was not before I installed this windows, so please don’t suggest adding a new ram. All the ram slots of my cpu are full. Now when I see CPU meter, i see that my RAM usage is about 75% when I just start my PC. I installed a new windows yesterday and before installing a new windows, the ram usage just after start-up was less than 25%!!! Currently my CPU have 4 gb of RAM. This link will tell you more about the specs of my PC: https://www.dropbox.com/home?preview=Spe… @benjamen50

Hi Salman, It’s very likely that you will need to install the correct drivers for your computer, after installing Windows afresh. Windows 7 will attempt to automatically download ones it knows about, but it’s quite common that it is unable to find the correct ones. Go to Device Manager (right-click ‘My Computer’ and choose ‘Propeties’, then ‘Device Manager’. Are there any items that have exclamation points or triangles by them? Anything saying ‘Unidentified’? If so, this is more than likely the problem. if this is a laptop, go to the manufacturer’s website, and look for it in the ‘Support>Drivers’ section. Similarly, if it’s a branded desktop, do the same. If it is a custom built machine, you will need to to identify the motherboard, and go to the motherboard manufacturer’s site to get the drivers. Usually there will be drivers for the chipset, disk controllers, power management, and so on. Hope that helps. PS a small thing, but a matter of ’nomenclature’, I daresay: many people refer to the tower, or main ‘box’ that the computer is in as the CPU. This is incorrect: the CPU is the main microchip on the motherboard. What I think you are refering to is simply ’the tower’, or case - or just ’the computer’! The CPU doesn’t have RAM, as such. You would say that the motherboard has RAM, if anything. A CPU does have on-board cache memory, but this isn’t referred to as RAM.

Ok, just because there are no missing drivers, it doesn’t mean that generic drivers aren’t being used. I would still bother to try and download the correct ones to be sure. To find your motherboard model, open a command prompt (type ‘cmd’ on the Start menu and press Enter), and type (or paste) this (no speech marks): ‘wmic baseboard get product,manufacturer,version,serialnumber’ If installing the correct drivers makes no difference to the slowness you’re seeing, something else must be the cause. With regard to what ETHREAL1 said, he’s right that 4GB of RAM can’t be fully used in a 32 bit OS, but my view is that an older dual core CPU like yours isn’t really good enough to run 64 bit, so I think you’re made the right choice going with 32 bit. You said that all the RAM slots are full. If you have 2 slots, you must have 2 x 2GB. If you have 4 slots, you must have 4 x 1GB. Either way, the RAM should be operating in full dual channel mode. If you were to up the amount to 6GB, I’m pretty sure you would need 4 slots, and 2 x 2GB + 2 x 1GB for full dual channel. Otherwise (providing the board supports Intel Flex technology), only the first 4GB would be in dual channel, and the rest wouldn’t. It’s always best to go for RAM amounts that can be halved to an even number, to maximize on performance and upgradeability. PS No judgement being made - just asking, as many of us have done it at some point, but is the version on Windows ’legit’? I ask, because there are many copies with malware or viruses injected - you don’t know what you’re getting. For peace of mind, I’d recommend not doing that, but no aspersions being cast! Something to bear in mind.

Going on with what “deathonredbull” said you can’t do much on 4GB of ram… I would say a good minimum requirements for win 7 are 2 GHz, dual core CPU and 6GB ram…