Preparing To Remove Components; Installing And Removing Memory Expansion - Fujitsu CELSIUS H720 Operating Manual

Removing and installing components during servicing

Preparing to remove components

If you are going to remove or change system components, prepare for the removal as follows:
Please observe the safety information in chapter
Remove the power plug from the mains outlet !
► Switch the device off.
The device must not be in energy-saving mode !
► Close the LCD screen.
► Remove all the cables from the device.
► Turn the device over and place it on a stable, flat and clean surface. If necessary, lay an
anti-slip cloth on this surface to prevent the device from being scratched.
► Remove the battery (see

Installing and removing memory expansion

Removing memory System expansion Memorymodule Mainmemory System expansion
If you are asked by the Hotline/Service Desk to remove and install the memory
expansion yourself, proceed as follows:
Please observe the safety information in chapter
When installing/removing memory modules, the battery must be removed from
the notebook and the notebook must not be connected to the power supply,
see "Preparing to remove components", Page
Only use memory expansion modules that have been approved for your
notebook (see
Never use force when installing or removing a memory extension.
Make sure that foreign objects do not fall into the memory extension compartment.
You must open the service compartment to remove or install a memory module. On some devices,
opening the compartment may expose other components. These components should be removed
and replaced only by authorised specialists. Therefore, be sure to observe the following:
Individual components can become very hot during operation. Therefore, we
recommend that you wait one hour after switching off the notebook before removing
or installing memory modules. Otherwise, there is a risk of suffering burns!
As some components are exposed that are sensitive to static electricity, please take
note of chapter
66
"Removing a battery", Page
"Technical data", Page
"Notes on installing and removing boards and components", Page
"Important notes", Page
32).
"Important notes", Page
66.
82).
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