Solved Intel Pentium 4 2.6GHz downclocked to 1.8Ghz?

[Jaakow22]

Not long ago I noticed a weird thing on my old computer. When I go to my computer properties it says
this:

And I was like: what the hell does the 1.8 Ghz stand for? :huh:
And I realised that games that require 2.4 Ghz cpu were lagging. So I downloaded CPU-Z to see the exact specifications my cpu had, and I saw that my cpu has 1.8 GHz :shock:.
Results from CPU-Z:

It says in specification 2.4 Ghz and in core speed 1.8 Ghz. Wtf?
I'm pretty sure its not the power saving feature because even when I stress test it remains 1.8 GHz.
Any Ideas? Was it downclocked? Its a second hand computer so maybe someone downclocked it before?

Sorry for bad English.
Thanks in advance.

EDIT: Sorry I messed up the title it should be 2.4 Ghz and not 2.6 GHz.
​

 

[pbcopter]

What does it say in the BIOS?

You could note the current BIOS settings and then load defaults.

 

[Jaakow22]

What does it say in the BIOS?

You could note the current BIOS settings and then load defaults.

How can I do that? I never used BIOS (except when I was setting the boot device). I found nothing. I checked all the menu-s, haven't found nothing about the CPU except the temperature and fan speed (RPM).

 

[pbcopter]

Have you looked at the manual for your motherboard?

Motherboard - P5G41T-M LX3 - ASUS

 

[Jaakow22]

Have you looked at the manual for your motherboard?

Motherboard - P5G41T-M LX3 - ASUS

P5G41T-M LX3 - ASUS is the motherboard of my new PC, my old PC has a different one and I was too lazy to open the casing and see what's the motherboard so I went to see what CPU-Z says:

I searched for that motherboard user manual on the internet for 30 min and I have found nothing. Am I searching incorrectly? Please help!

Thanks in advance!
Sorry for my English.
​

 

[Jaakow22]

I found the problem! For some unknown reason windows is saying that I have a Pentium 4 2.4 GHZ :huh:. Actually in the BIOS is says that I have a Pentium 4 1.8 GHZ. In the BIOS the CPU voltage, frequency and the multiplier are not changeable. I thought I could change at least the frequency but actually I can't. I can't even lower the multiplier (why would I ever do that but I heard that is the CPU is not unlocked I can at least lower it; just wanted to try). I restored the defaults in the BIOS, saved the settings and guess what, the CPU was still at 1.8 GHZ. I booted in windows successfully but still at 1.8 GHZ . But why does Windows say I have 2.4 GHZ?

However thanks on the reply.
I will mark this as solved.
​