3.
Turn off the computer properly through the operating system, and then turn off any external
devices.
4.
Disconnect the power cord from the power outlet, and disconnect any external devices.
CAUTION:
power to drain before adding or removing memory modules. Regardless of the power-on state,
voltage is always supplied to the memory modules as long as the computer is plugged into an
active AC outlet. Adding or removing memory modules while voltage is present may cause
irreparable damage to the memory modules or system board.
5.
Remove the computer from the stand and lay the computer down with the right side up.
6.
Remove the computer access panel and back I/O panel. See
access panel on page
WARNING!
components to cool before you touch them.
7.
If the computer is an HP t620 PLUS Thin Client, push the fan assembly latch (1) toward the front
of the computer and rotate the assembly (2) up and out of the way.
18
Chapter 2 Hardware changes
You must disconnect the power cord and wait approximately 30 seconds for the
10.
To reduce risk of personal injury from hot surfaces, allow the internal system
Removing and replacing the