The following guide is intended to describe the process of replacing some of the major hardware components in Lenovo G570. It may be helpful in case you decide to upgrade your computer or if you need to replace a faulty component.

CAUTION: Before you begin any of the following procedures, turn off the laptop , unplug the power adapter and remove the battery. Note that computer parts are very sensitive to static electricity so ground yourself before touching anything inside you computer by using grounding strap or touch a metal faucet  pipe.

CPU.

To remove CPU you must first remove the heatsink using this guide. Then unlock the ZIF-socket by turning the locking mechanism counterclockwise as shown in the picture below. You can use a flat-head screwdriver.

Then carefully remove the processor holding it at the edges.

RAM memory.

To remove any currently installed memory module just spread the latches in the direction opposite to the memory slot.

The memory module will pop up at about 45 degree angle and can be safely removed from the slot.

Hard drive.

Remove two screws securing hard drive caddy to the laptop chassis.

Slide the hard drive assembly in the direction opposite to the SATA connector and then carefully lift it up in order to remove it from drive bay.

To separate the hard drive from the caddy you will need to remove four screws that fix these two parts together.

There could be an aluminum adhesive tape between both parts making their disassembly more difficult so be careful.