Press for time to fix your next computer. Be sure to take a look at these wonderful application made to make your life easier.
AutoPatcher
Advance System Care
IOBit ToolBox
Double Driver
AutoPatcher
Advance System Care
IOBit ToolBox
Double Driver
2. goto Boot tab
3. click Advanced Options
4. Tick Maximum memory to your full ram. (in my case 4GB, so 4096)
5. Then press OK.
6. Double check it again by click the Advanced options again. If you found out that the Maximum memory reset to 0, then change it to 4095.
7. Restart your computer.