How to Underclock a PC

Step-by-Step Guide

1. 1

   Step 1: Access the computer's BIOS settings page (BIOS stands for "Basic Input Output System").

   Depending on brand of computer, this requires pressing keys during a certain time of the boot process.
   
   Some manufacturers require pressing "Delete" "F2" or <alt>+ or other key combination while the system goes through POST (Power On Self Test) or displays a logo on the screen.
2. 2

   Step 2: Locate "Frequency/Voltage Control" settings.

   BIOS screens generally consist of several pages of settings.
   
   Each page relates directly to certain parts of the computer operation.
   
   Use the "PgDn" and "PgUp" or "<-" and "->" arrow keys to navigate to the page that allows for adjustment of the above variables. , Press "Enter" or use the left and right arrow keys to select the value.
   
   Use the arrow keys, + and
   - keys or other combination to adjust the value lower. , Lower these values similar to the way described above (if you can't it is because it is locked). , Lower these values similar to the way described above. , Lower these values similar to the way described above (don't lower it too much). , If you think you've made a mistake, press the "Esc" key to exit without saving.
   
   Note:
   Not all computer BIOS have "Frequency/Voltage Control" settings, maybe lock by Manufacturers.
3. 3

   Step 3: Scroll down to the "Frequency/Voltage Control."

4. 4

   Step 4: Lower the CPU "clock speed".

5. 5

   Step 5: Lower the Front Side Bus (FSB) Frequency).

6. 6

   Step 6: Lower the core voltage (vCore).

7. 7

   Step 7: When complete

8. 8

   Step 8: be sure to save the settings before exiting

9. 9

   Step 9: otherwise the old settings will remain in place.

Detailed Guide

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