A reduction in processor frequency brings significant advantages: a longer duration of the hardware, a lower production of heat (and, consequently, a lower need to dissipate the heat), a lower consumption of electric current, greater stability and a decrease in noise caused by the mechanical components used for cooling.
Steps
Step 1. Enter the BIOS "Settings" menu
BIOS stands for "Basic Input Output System" and consists of the basic settings for accessing the computer hardware, including peripherals integrated into the motherboard. Depending on the brand, there is an access key, that is a key or a combination of keys, to be pressed at a specific time during the PC startup. For some models the "Canc", "F2" or + another key is used during the POST (Power On Self Test), that is an initial test on the memory, or when the brand logo is shown on the screen.
Step 2. Find the part dedicated to the "Frequency / Voltage Control" settings in the BIOS menu
The BIOS usually has a series of pages with menus related to various settings. Each page offers a list of options that affect the functions and operating modes of the hardware. To move from one item to another and navigate within the various menus, you can use the "Pag" keys or the arrows.
Step 3. Reduce the CPU speed parameter indicated by "clock speed"
Use the keys as indicated above to make the change; if you can't change the value, your PC is locked.
Step 4. Reduce the Front Side Bus (FSB) value
It is the tool that carries data between the CPU and the various components. Also in this case, to make the changes you can proceed with the system explained above.
Step 5. Reduce the processor "core" voltage (vcore)
You can proceed in the same way as in the previous step, but be careful not to reduce this parameter too much.
Step 6. When done, remember to save
Usually a request for confirmation of saving appears; in any case, you should check the key or combination of keys below to confirm the changes. If not saved, the changes will be lost. If, on the other hand, you have noticed that you have made a mistake, press "Esc" to exit without saving. It could also be that some PCs do not have the menu for the "Frequency and voltage" settings: this may depend on a block set up by the manufacturers.
Advice
- Download or print your computer manual for the BIOS function part. There you will learn how to enter the BIOS and in addition you will find a lot of technical information regarding the settings and parameters.
- In case you are no longer able to enter the BIOS due to the new parameters set, you can reset and restore the BIOS to its initial values. To carry out the reset, you may be asked to remove the battery for a few minutes before the operation, or to insert or remove the cable or any screws to close the cover. Perform the procedure as described in the manual before restarting.
Warnings
- The Underclock process serves to reduce overall performance.
- To enter the BIOS try to use passwords that you can easily remember. After a complete BIOS reset, the password must be reset; if you don't remember it, read the manual because you may find instructions to recover or change it.
- PCs that have had a hardware frequency reduction are "no longer covered by warranty" - most manufacturers clearly state this in their warranty documentation.
