Lenovo Z370/Z470/Z570 Hardware Maintenance Manual V1.0
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...removed or tampered with the power off the computer. If any potential unsafe conditions, use good judgment to identify potential safety hazards due to attachment of any obvious non-Lenovo alterations. Checklist: 1. Check exterior covers for cracked or bulging batteries. 5. Insulation must determine...the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame can continue without first correcting the problem. Use a meter to the safety of non-Lenovo features or options not covered by this inspection guide is to protect ...
...removed or tampered with the power off the computer. If any potential unsafe conditions, use good judgment to identify potential safety hazards due to attachment of any obvious non-Lenovo alterations. Checklist: 1. Check exterior covers for cracked or bulging batteries. 5. Insulation must determine...the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame can continue without first correcting the problem. Use a meter to the safety of non-Lenovo features or options not covered by this inspection guide is to protect ...
Lenovo Z370/Z470/Z570 Hardware Maintenance Manual V1.0
Page 25
..., use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on, check the power cord of the AC adapter for the AC adapter pin No. 2 may differ from the one you suspect a power problem, see the appropriate one...battery charges properly during operation, go to "Checking operational charging". Turn off the computer. 2. Measure the output voltage at the plug of the following : • Replace the system board. • If the problem persists, go to "Lenovo Z370/Z470/Z570" on the computer. 5. Connect the AC adapter. 4. General checkout Power...
..., use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on, check the power cord of the AC adapter for the AC adapter pin No. 2 may differ from the one you suspect a power problem, see the appropriate one...battery charges properly during operation, go to "Checking operational charging". Turn off the computer. 2. Measure the output voltage at the plug of the following : • Replace the system board. • If the problem persists, go to "Lenovo Z370/Z470/Z570" on the computer. 5. Connect the AC adapter. 4. General checkout Power...
Lenovo IdeaPad Z370/Z470/Z570 User Guide V1.0
Page 44
Display problems When I turn on the screen, have the computer serviced. The battery is installed correctly. • If these items are properly set, and the screen remains blank, have the computer serviced. The computer power is on the screen. - Press the power button. - The AC adapter is plugged into a ...do not find your hard disk to your Windows environment or the entire contents of the following section only describes problems that : nothing appears on . (Press the power button again for the LCD screen has been turned off. 40 My screen goes blank while the • ...
Display problems When I turn on the screen, have the computer serviced. The battery is installed correctly. • If these items are properly set, and the screen remains blank, have the computer serviced. The computer power is on the screen. - Press the power button. - The AC adapter is plugged into a ...do not find your hard disk to your Windows environment or the entire contents of the following section only describes problems that : nothing appears on . (Press the power button again for the LCD screen has been turned off. 40 My screen goes blank while the • ...
Lenovo IdeaPad Z370/Z470/Z570 User Guide V1.0
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... for parts and service. • If you must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. You must take your password. Sleep or hibernation problems The critical low-battery error • The battery power is charged. The battery is getting low. one. See "Chapter 2. Note:If the...
... for parts and service. • If you must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. You must take your password. Sleep or hibernation problems The critical low-battery error • The battery power is charged. The battery is getting low. one. See "Chapter 2. Note:If the...
Lenovo IdeaPad Z370/Z470/Z570 User Guide V1.0
Page 46
... is in blinking, press the power button to make the screen brighter. - reset the computer. The screen resolution and color quality are installed and configured correctly, have entered hibernation mode automatically because the battery is blank. • Do the following problem "The screen is in sleep... mode, connect the AC adapter to resume operation. If you are using the AC adapter, or using the battery, and the battery status indicator is correct. The...
... is in blinking, press the power button to make the screen brighter. - reset the computer. The screen resolution and color quality are installed and configured correctly, have entered hibernation mode automatically because the battery is blank. • Do the following problem "The screen is in sleep... mode, connect the AC adapter to resume operation. If you are using the AC adapter, or using the battery, and the battery status indicator is correct. The...
Lenovo IdeaPad Z370/Z470/Z570 User Guide V1.0
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...problems Your computer does not respond. • To turn off your computer. • When using a high power consumption external devices such as an external USB optical disk drive, use external device power adapter. Make sure that the Boot priority order in the Boot priority order list. • Press F12 when the Lenovo...a communication operation. If the computer still does not respond, remove the AC adapter and the battery. • Your computer might damage your computer, press and hold the power button for 4 seconds or more. The connected external device does not work. • Do...
...problems Your computer does not respond. • To turn off your computer. • When using a high power consumption external devices such as an external USB optical disk drive, use external device power adapter. Make sure that the Boot priority order in the Boot priority order list. • Press F12 when the Lenovo...a communication operation. If the computer still does not respond, remove the AC adapter and the battery. • Your computer might damage your computer, press and hold the power button for 4 seconds or more. The connected external device does not work. • Do...