MSI MS-7255 User Manual page 14

M S-7255 M ainboard
CPU & Cooler Installation Procedures for Socket 775
1. The CPU socket has a plastic cap on it to protect the contact from
damage. Before you have installed the CPU, always cover it to pro-
tect the socket pin.
2. Remove the cap from lever hinge side.
3. The pins of socket reveal.
4. Open the load lever.
5. Lift the load lever up and open the load plate.
6. After confirming the CPU direction for correct mating, put down the
CPU in the socket housing frame. Be sure to grasp on the edge of the
CPU base. Note that the alignment keys are m atched.
7. Visually inspect if the CPU is seated well into the socket. If not, take
out the CPU with pure vertical motion and reinstall.
8. Cover the load plate onto the package.
9. Press down the load lever light ly onto the load plate, and then
secure the lever with the hook under retention tab.
10.Align the holes on the m ainboard with the cooler. Push down the
cooler until its four clips get wedged into the holes of the mainboard.
11.Press the four hooks down to fasten the cooler. Then rotate the
locking switch (refer to the correct direction marked on it) to lock the
hooks.
12.Turn over the mainboard to confirm that the clip-ends
are correctly inserted.
Important
1. Read the CPU status in BIOS.
2. Whenever CPU is not installed, always protect your CPU socket pin with the
plastic cap covered to avoid damaging.
3. Mainboard photos shown in this section are for demonstration of the CPU/
cooler installation only. The appearance of your mainboard may vary depend-
ing on the model you purchase.
En-6
alignment key