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Is Compaq laptop can be upgrade its GPU?

Last response: in Laptops & Notebooks
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August 3, 2013 5:34:19 AM

Its totally describe above..
COMPAQ CQ43
WINDOWS 7 ULT 64BIT
6G RAM
August 3, 2013 5:44:42 AM

nazmi10 said:
Its totally describe above..
COMPAQ CQ43
WINDOWS 7 ULT 64BIT
6G RAM


Short and simple answer: No. Sorry. Laptop GPUs cannot be upgraded.

Long and technical answer: Yes, but with great difficultly. You would have to find a different GPU that matches your currents one's power input (exact voltage, and amperage because your laptop motherboard is designed to only handle a certain amount of currant), and thermal properties (i.e. heat discharge) and also physical dimensions. On top of that, there is the possibly of the chipset in the laptop not recognizing or utilizing the new GPU correctly.
If you found the correct and proper GPU, then you would have to take the laptop apart and unsolder (yes laptop GPU's are solder onto the motherboards) and then wave solder the GPU one in (By the way, a wave solder is not cheap couple thousand Euros/Dollars). So to be technical, yes it's possible, but extremely difficult/ unlikely to do.

Just buy a new laptop if you want better performance. Much cheaper and easier.
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August 3, 2013 6:15:01 AM

steveowashere said:
If you found the correct and proper GPU, then you would have to take the laptop apart and unsolder (yes laptop GPU's are solder onto the motherboards) and then wave solder the GPU one in (By the way, a wave solder is not cheap couple thousand Euros/Dollars). So to be technical, yes it's possible, but extremely difficult/ unlikely to do.

Not all laptop GPUs are soldered; some high-end models use mobile GPU modules. As for replacing the ASIC itself, any more powerful GPU you might find in the same power budget would likely have to come from a newer design/process generation and those pretty much always have different pin-out.

Wave-soldering (passing boards over a fountain of molten solder) is for through-hole components; it would likely pluck surface-mount components right off the board. For BGAs, you need an IR soldering oven for reflow soldering.

The BGA chip removal, board clean-up and soldering job costs a few hundred dollars as a one-off lab job which is already likely far more than what the laptop is worth and there is no guarantee that it will work.

Even if OP has a modular GPU, it is quite likely that the most powerful GPU he could find that fits in his laptop would cost more than his laptop is worth.

In general, upgrading laptops is simply not worth the trouble due to extremely limited component choices aside from RAM and HDD/SSD and nearly everything else either being soldered on-board, proprietary or locked-out by BIOS.
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