Question which scews do I have to remove to open the Vaio laptop and replace the CMOS battery on the motherboard?

[Berecz]

which scews do I have to remove to open the Vaio laptop and replace the CMOS battery on the Motherboard?

 

[jimmysmitty]

Depends on the model. Do you have that information?

 

[Berecz]

PCG-FR285M

 

[jimmysmitty]

From the information I can find you would have to remove all the screws on the bottom. I can't find an exact guide as its a very old system.