Gateway M520, User Manual, Page: 88 / 168

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Safety guidelines
While troubleshooting your notebook, follow these safety guidelines:
■
Never remove the memory bay cover or hard drive while your
notebook is turned on, while the battery is installed, and while the
modem cable, network cable, and AC power adapter are connected
to your notebook.
■
Make sure that you are correctly grounded before accessing internal
components. For more information about preventing damage from
static electricity, see
“Preventing static electricity discharge” on
page 66 .
■
After you complete any maintenance tasks where you remove the
memory bay cover or hard drive kit, make sure that you replace the
cover or hard drive kit, reinstall any screws, then replace the battery
before you start your notebook.
Warning Do not try to troubleshoot your problem if power
cords or plugs are damaged, if your notebook was
dropped, or if the case was damaged. Instead,
unplug your notebook and contact a qualified
computer technician.