Lenovo ThinkPad Edge E330 (English) User Guide - Page 133

A power button problem, Boot problems, Sleep and hibernation problems, Problem, Solution

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2. Swap batteries with another similar model, if available. If another similar ThinkPad model is available, then verify that the battery pack works in the other computer and that the battery pack for the other model works in this computer. 3. Verify the battery-status indicator. Refer to "Power status indicator" on page 7. A power button problem Problem: The system does not respond, and you cannot turn off the computer. Solution: Turn off the computer by pressing and holding the power button for 4 seconds or more. If the system is still not reset, remove the ac power adapter and the battery. Boot problems Print these instructions now and keep them with your computer for reference later. If you receive an error message before the operating system loads, follow the appropriate corrective actions for POST error messages. If you receive an error message while the operating system is loading the desktop configuration after the POST is completed, check the following items: 1. Go to the Lenovo Support Web site at http://www.lenovo.com/support and search for the error message. 2. Go to the Microsoft Knowledge Base homepage at http://support.microsoft.com/ and search for the error message. Sleep and hibernation problems • Problem: The computer enters sleep mode unexpectedly. Solution: If the microprocessor overheats, the computer automatically enters sleep mode to allow the computer to cool and to protect the microprocessor and other internal components. Check the settings for sleep mode, using Power Manager. • Problem: The computer enters sleep mode (the sleep indicator turns on) immediately after the power-on self-test. Solution: Make sure that: - The battery is charged. - The operating temperature is within the acceptable range. Refer to "Operating environment" on page 12. If the battery is charged and the temperature is within range, have the computer serviced. • Problem: A critical low-battery error occurs, and the computer immediately turns off. Solution: The battery power is getting low. Connect the ac power adapter to the computer and plug it into an electrical outlet, or replace the battery with a charged one. • Problem: The computer display remains blank after you press Fn to return from sleep mode. Solution: Check whether an external monitor was disconnected or turned off while the computer was in sleep mode. If you disconnected or turned off the external monitor, connect it or turn it on before resuming the computer from the sleep mode. When resuming the computer from the sleep mode without attaching the external monitor or turning it on, and the computer display remains blank, press F6 to bring up the computer display. • Problem: The computer does not return from sleep mode, or the system status indicator (illuminated ThinkPad logo) blinks slowly and the computer does not work. Chapter 9. Troubleshooting computer problems 119

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2. Swap batteries with another similar model, if available.
If another similar ThinkPad model is available, then verify that the battery pack works in the other
computer and that the battery pack for the other model works in this computer.
3. Verify the battery-status indicator. Refer to “Power status indicator” on page 7.
A power button problem
Problem
: The system does not respond, and you cannot turn off the computer.
Solution
: Turn off the computer by pressing and holding the power button for 4 seconds or more. If the
system is still not reset, remove the ac power adapter and the battery.
Boot problems
Print these instructions now and keep them with your computer for reference later.
If you receive an error message before the operating system loads, follow the appropriate corrective actions
for POST error messages.
If you receive an error message while the operating system is loading the desktop configuration after the
POST is completed, check the following items:
1. Go to the Lenovo Support Web site at http://www.lenovo.com/support and search for the error message.
2. Go to the Microsoft Knowledge Base homepage at http://support.microsoft.com/ and search for the
error message.
Sleep and hibernation problems
•
Problem
: The computer enters sleep mode unexpectedly.
Solution
: If the microprocessor overheats, the computer automatically enters sleep mode to allow the
computer to cool and to protect the microprocessor and other internal components. Check the settings
for sleep mode, using Power Manager.
•
Problem
: The computer enters sleep mode (the sleep indicator turns on) immediately after the power-on
self-test.
Solution
: Make sure that:
–
The battery is charged.
–
The operating temperature is within the acceptable range. Refer to “Operating environment” on page
12.
If the battery is charged and the temperature is within range, have the computer serviced.
•
Problem
: A critical low-battery error occurs, and the computer immediately turns off.
Solution
: The battery power is getting low. Connect the ac power adapter to the computer and plug it
into an electrical outlet, or replace the battery with a charged one.
•
Problem
: The computer display remains blank after you press Fn to return from sleep mode.
Solution
: Check whether an external monitor was disconnected or turned off while the computer was
in sleep mode. If you disconnected or turned off the external monitor, connect it or turn it on before
resuming the computer from the sleep mode. When resuming the computer from the sleep mode
without attaching the external monitor or turning it on, and the computer display remains blank, press
F6 to bring up the computer display.
•
Problem
: The computer does not return from sleep mode, or the system status indicator (illuminated
ThinkPad logo) blinks slowly and the computer does not work.
Chapter 9
.
Troubleshooting computer problems
119