I have a Gigabyte G41-M Combo Motherboard with Integrated Graphics and I am wondering how do I overwrite that with a new graphics card?
1)Can you supply more info?
What do you have now?
What are you thinking of buying?
What is your objective in changing out graphics?
Make/model of your psu will determine how strong of a gpu you can buy.
Your case and dimensions will determine, perhaps the size of graphics card you can buy.
Normally, one just installs the new card, and attach the monitor to it.
The display will be low res until you install the graphics card driver.