Hyper-threading is a function in processors that speeds up computer performance. Though the PC may only have a single processor chip connected to the motherboard, hyper-threading emulates multiple processors operating on the machine at once. Builders of computer systems, sometimes called original equipment manufacturers (OEM), configure the hardware and software on a PC according to their own specifications. One manufacturer might choose to activate Hyper-threading by default, while other manufacturers might leave that choice up to the end user. If hyper-threading is disabled on your PC, you can make adjustments in the BIOS to turn it on.
Turn off the computer. Press the "Power" button on the computer to power it back on. Press the key, as indicated on the screen, that grants access to the "Setup" menu. Press this key repeatedly, about once every second, to make sure the computer receives and processes the command.
Press the arrow keys on the keyboard to navigate the menu options in the BIOS. Usually, pressing the "right" arrow key moves over to the "Advanced" menu options, which houses the hyper-threading control.
Press the "Down" arrow to highlight "Hyperthreading." Press the "plus" (+) or "minus" (-) key to adjust the processor hyper-threading from "Disabled" to "Enabled." Press the "F10" key to save the BIOS changes. Select "Yes" if prompted for confirmation. This will also exit the BIOS and automatically restart the computer.
Press the "ESC" key to exit the BIOS without changing any settings if hyper-threading is already enabled.
Tips & Warnings
- Navigate to the computer (or motherboard) manufacturers' website to download the user manual and learn how to access and change the BIOS.
- Alternatively, if hyper-threading access is disabled or nonexistent, use functions in the Windows operating system to change how the processor performs. Using the Task Manager, you can set "Priority Level" and "Processor Affinity" (See Resources).
- Be careful not to make erroneous changes in the BIOS because you could impair the entire PC.
- Photo Credit motherboard image by Ivonne Wierink from Fotolia.com
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