Computer slow after installing 3. GB RAMIm currently running very large network simulations for my Ph. D research, for which I need lots of RAM. I have a Core i. 7 2. K processor with a Gigabyte GA Z6. AP D3 motherboard, running Windows 7 professional 6. I bought the system with 8. GB 2x. 4GB DDR3 1. Computer Ram Testing Program' title='Computer Ram Testing Program' />MHz Corsair Vengeance RAM and the system ran like a dream. Editplus For Windows 10 64 Bit Full Version more. Im planning to upscale my simulations so I removed the 2x. GB RAM and installed 4x. GB DDR 1. 60. 0 MHz Corsair Vengeance RAM. When I rebooted the system, boot time was much longer than usual 1. After logging in, the whole system was unresponsive. I tried playing some games Bioshock 2, but it was unplayable. Ive not had this problem before and I have an ATI Radeon HD 5. The only thing thats changed is the RAM. Ive looked through the specifications of Windows, my motherboard and my CPU and they all state that 3. GB of RAM is supported. Does anyone have an idea of whats going on Any help would be greatly appreciated. More info. Thanks for all the answers guys. Will try the proposed solutions and report back tonight. MemTest-running-screenshot.jpg' alt='Computer Ram Testing Program' title='Computer Ram Testing Program' />To answer some of the questions I did remove half the RAM, so now running on 1. GB and this fixed everything. This is what Im running now, but I still need the extra RAM. Windows detects 3. GB of RAM and shows thats its all addressable under system information. Ive booted my Linux virtual machine, which was as slow, but this could just be because of the Windows host. Ill try to find and boot from a live CD. All my memory modules are 1. MHz, but the timings on the 8 GB modules are somewhat slower 1. Ive rebooted the system multiple times, also thinking Windows is just adjusting, but the problem remains. Testing method. Ive now tested my slots and modules in the following way to try and quickly rule out bad slots or modules Starting with four 8. GB modules. The system is extremely slow. I removed two of the four 8. GB modules. The system worked fine and. I added my old 2x. GB modules back into the system. MemTest Deluxe 14 bootable CD version, delivered via email The Deluxe package includes the Windows native Pro version. It adds a 32bit and 64bit version of. Predator 17 G979378CM 17. Gaming Laptop Computer Black Intel Core i76700HQ Processor 2. GHz NVIDIA GeForce GTX 1070 8GB GDDR5 VR Ready 16GB RAM 1TB HDD. The Computer Systems Technician program at Algonquin College prepares students to meet the broad range of duties and responsibilities of todays Information. The system detected 2. GB RAM and everything worked fine, so we know the RAM slots all work. I removed all modules and added the other two untested 8. Code Composer Studio Crack Full'>Code Composer Studio Crack Full. GB modules back into the system. The system worked fine Again adding all four 8. GB modules. The system experienced a factor 4. Doing this I can only conclude that all my modules and slots are fine and that theres some other hardware or software constraint that preventing me from getting all my RAM working. Eventual solution. As some of the users have stated in this thread, the solution was to turn my on board graphics card to always be on and to increase the on board graphics card memory. The system works fine now. Computer Ram Testing Program' title='Computer Ram Testing Program' />Computer Ram Testing ProgramComputer Ram Testing ProgramRAM is like short term memory. The more you multitask, the more you need. Find out how much your computer has, how to get the most out of it, or how to get more.