Table of Contents
Advertisement
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer stand. See "Replacing the computer stand" on page 96.
4. Remove the computer cover. See "Removing the computer cover" on page 101.
5. Remove the system-board shield. See "Replacing the system-board shield" on page 102.
6. Locate the VESA mount bracket. See "Computer components" on page 33.
7. Remove the four screws
Figure 36. Removing the VESA mount bracket
8. Position the new VESA mount bracket in the chassis so that the four screw holes in the VESA mount
bracket align with the corresponding holes in the chassis. Then, install the four screws to secure the
VESA mount bracket.
9. Install the system-board shield. See "Replacing the system-board shield" on page 102.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 142.
Replacing the power supply assembly (for M800z)
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.
CAUTION:
1
, and then lift the VESA mount bracket from the chassis.
.
Chapter 9
Installing or replacing hardware
105
Advertisement
Table of Contents
