OEM versions do not offer any free Microsoft direct support from Microsoft support personnel OEM versions of Windows 7 are identical to Full License Retail versions except for the following: What should I do? I just want to upgrade my computer. If not, Should I just buy a new Windows OS that is not OEM and install it after I changed some of devices inside my CPU like my video card, processor and ram? I just want to upgrade my computer hardware. My Desktop computer installed with OS Windows 7 Pro OEM. I want to change my video card and my processor to a higher version.Īlso, I want to upgrade my 4gb RAM like I want to add 4gb RAM so it will come to 8gb. This forum has some of the best people in the world available to help. If your PC can pass this test both your memory and CPUĪre fine (close the case cover to maintain proper ventilation) Just choose to run the 'stress test' option for 8 hours or more. To verify your heat sink can handle the new CPU and keep it cool. Monitor your CPU core temperatures while Prime 95 is running Failures in the first 2 hours of a test are usually associate with a CPU voltage that is too low. (Prime 95 tests both the CPU and memory).

(when using Intel's EIST speed step technology).ĬPU-ID has two tabs - 'Memory' tab which show the actual memory speedĪnd the 'SPD' tab shows the rated speeds for each memory slot that is populated.Ĭompare the two values, the actual memory speed should not exceed the rated speed of your memory.ģ) Run Prime95 to verify the processor is stable. Shows the clock speed of the CPU under various load conditions Let it run for as long as you can: 2,4,6,8 or more hours ( at least 3 full passes), if no errors by then your ram is OK. Sticks are bad or the SPD values in the BIOS are correct. This runs from a boot disk or CD and should eliminate or confirm if one or more of your memory You will more than likely need to update or re-install the graphics driver.Ĭheck the Graphics card manufacture's download site:ĭownload and install the most recent Windows 7 or 8 drivers for your card.Ģ) Then install the memory and test it using Memtest86+ I would not make all the changes at the same time, do one change and verify that the computer is still stable after a week of use.ġ) Start with the graphics card.

As long as you don't change the motherboard you should be OK.

Windows 7 change motherboard and cpu