Can't boot my Pc after checking the box under Maximum memory

So ur saying my hdd can work on a working pc with no problems?

I had another working hdd it has winxp sp3 installed but when i put on my pc that has the problem it wont boot
What is wrng here

Yes you can use working computer operating system to get access to data stored at not booting HDD as long as HDD is not failing.

Can i send a vid here??

Marianix said:

I had another working hdd it has winxp sp3 installed but when i put on my pc that has the problem it wont boot
What is wrng here

If the computer you have use to installed Windows XP have different hardware from the other computer you have try to boot Windows XP from then there is a chance Windows XP wont boot because Windows XP using device drivers from the computer you have use the install Windows XP.

Marianix said:

Can i send a vid here??

I have no idea what is vid?

Video

I had another pc windows 7 ulti but 64bit

Yes you can.

Is there a possibility that the motherboard is related?

Marianix said:

Is there a possibility that the motherboard is related?

Can you boot computer into BIOS setup utility?

Can you boot computer with Windows bootable USB?