Go into the bios and see what it detects the processor as. If it is set to auto detect you should see what speed the bios recognizes the processor as on one of the first screens during bootup.
It would help if you could post the type of system you have or at least the motherboard mfg. and model number.
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It would help if you could post the type of system you have or at least the motherboard mfg. and model number.
Welcome to Tech Support Forums