Lenovo S435 Laptop (English) User Guide - Lenovo S435 - Page 42

Troubleshooting, A hard disk drive problem, Other problems, The connected external

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Chapter 6. Troubleshooting A hard disk drive problem The hard disk drive does not work. • In the Boot menu in BIOS setup utility, make sure that the hard disk drive is included in the UEFI correctly. Other problems Your computer does not respond. • To turn off your computer, press and hold the power button for 4 seconds or more. If the computer still does not respond, remove the AC power adapter. • Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network. The computer does not start from a device you want. • See the Boot menu of the BIOS setup utility. Make sure that the UEFI in the BIOS setup utility is set so that the computer starts from the device you want. • Also make sure that the device from which the computer starts is enabled. In the Boot menu in the BIOS setup utility, make sure that the device is included in the UEFI list. • While powered-off, press Novo button to select the device you want the computer starts from. The connected external device does not work. • Do not connect or disconnect any external device cables other than USB while the computer power is on; otherwise, you might damage your computer. • When using a high power consumption external devices such as an external USB optical disk drive, use external device power adapter. Otherwise, the device may not be recognized, or system shut down may result. 38

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38
Chapter 6. Troubleshooting
A hard disk drive problem
The hard disk drive does
not work.
•
In the
Boot
menu in BIOS setup utility, make sure
that the hard disk drive is included in the
UEFI
correctly.
Other problems
Your computer does not
respond.
•
To turn off your computer, press and hold the power
button for 4 seconds or more. If the computer still
does not respond, remove the AC power adapter.
•
Your computer might lock when it enters sleep mode
during a communication operation. Disable the sleep
timer when you are working on the network.
The computer does not
start from a device you
want.
•
See the
Boot
menu of the BIOS setup utility. Make
sure that the
UEFI
in the BIOS setup utility is set so
that the computer starts from the device you want.
•
Also make sure that the device from which the
computer starts is enabled. In the
Boot
menu in the
BIOS setup utility, make sure that the device is
included in the
UEFI
list.
•
While powered-off, press Novo button to select the
device you want the computer starts from.
The connected external
device does not work.
•
Do not connect or disconnect any external device
cables other than USB while the computer power is
on; otherwise, you might damage your computer.
•
When using a high power consumption external
devices such as an external USB optical disk drive,
use external device power adapter. Otherwise, the
device may not be recognized, or system shut down
may result.