Hardware Maintenance Manual
Page 9
...power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Begin the checks with . 5 Turn off , and the power cord disconnected. c. Remove the cover. 6. A third-wire ground connector in the parts list. Check for cracked or ...items were installed to assist you must not be the type specified in good condition. If any unsafe conditions are any obvious non-Lenovo alterations. Checklist: 1. Safety information Safety inspection guide The purpose of this inspection guide. Check for any potential unsafe conditions, use ...
...power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Begin the checks with . 5 Turn off , and the power cord disconnected. c. Remove the cover. 6. A third-wire ground connector in the parts list. Check for cracked or ...items were installed to assist you must not be the type specified in good condition. If any unsafe conditions are any obvious non-Lenovo alterations. Checklist: 1. Safety information Safety inspection guide The purpose of this inspection guide. Check for any potential unsafe conditions, use ...
Hardware Maintenance Manual
Page 25
...• If the computer does not charge during operation, use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on the computer. 5. Make sure that has less than 50% of the AC adapter cable. If the voltage is used. • If the power...-on indicator does not turn on page 27. Make sure that power is acceptable, do the following: • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad U510" on the computer. If you are servicing. 3. Note: Noise from the computer...
...• If the computer does not charge during operation, use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on the computer. 5. Make sure that has less than 50% of the AC adapter cable. If the voltage is used. • If the power...-on indicator does not turn on page 27. Make sure that power is acceptable, do the following: • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad U510" on the computer. If you are servicing. 3. Note: Noise from the computer...
Hardware Maintenance Manual
Page 28
... administrator, who can use it to get access to the hard disk drive. If it has, it appears on the screen whenever the computer is turned on by you might experience periods when no action is required by an unauthorized person. The user must be replaced for the user + Master HDP... hard-disk passwords (HDPs): + User HDP - Supervisor password A supervisor password (SVP) protects the system information stored in order to get access to reset the password. Lenovo IdeaPad U510 Hardware Maintenance Manual 7. When the recovery process is normal. 8.
... administrator, who can use it to get access to the hard disk drive. If it has, it appears on the screen whenever the computer is turned on by you might experience periods when no action is required by an unauthorized person. The user must be replaced for the user + Master HDP... hard-disk passwords (HDPs): + User HDP - Supervisor password A supervisor password (SVP) protects the system information stored in order to get access to reset the password. Lenovo IdeaPad U510 Hardware Maintenance Manual 7. When the recovery process is normal. 8.
Hardware Maintenance Manual
Page 29
...Press any key on the keyboard. To end screen blank state and resume normal operation, press . Screen blank state If the time set on the "Turn off . • The CPU stops. Moving your computer into sleep state If you can quickly wake it to resume use, bypassing the startup process. ...and then select Settings → Power → Sleep. Also, in the operating system expires, the LCD backlight turns off the LCD backlight by pressing . When the computer is spinning can also turn off . Putting your computer while the hard disk is in sleep mode, you will be away from sleep (...
...Press any key on the keyboard. To end screen blank state and resume normal operation, press . Screen blank state If the time set on the "Turn off . • The CPU stops. Moving your computer into sleep state If you can quickly wake it to resume use, bypassing the startup process. ...and then select Settings → Power → Sleep. Also, in the operating system expires, the LCD backlight turns off the LCD backlight by pressing . When the computer is spinning can also turn off . Putting your computer while the hard disk is in sleep mode, you will be away from sleep (...
Hardware Maintenance Manual
Page 35
... are located in the function key row of the keyboard.By pressing the appropriate hotkey, you can change system settings instantly. Turn on select models): Enable/disable the scroll lock. Lenovo IdeaPad U510 Fn key combinations Hotkeys The following describes the function of each combination of Fn with a function key. Fn key combinations Key...
... are located in the function key row of the keyboard.By pressing the appropriate hotkey, you can change system settings instantly. Turn on select models): Enable/disable the scroll lock. Lenovo IdeaPad U510 Fn key combinations Hotkeys The following describes the function of each combination of Fn with a function key. Fn key combinations Key...
Hardware Maintenance Manual
Page 36
... nylon-coated screws that have a torque screwdriver, tighten all screws are tightened firmly. • Ensure torque screwdrivers are harder to plastic Turn an additional 180° after the screw head touches the surface of the logic card: more than 90° (Cross-section) •...screwdriver , refer to the "Torque" column for each step. • Make sure that all screws firmly to removing and replacing parts. Lenovo IdeaPad U510 Hardware Maintenance Manual FRU replacement notices This section presents notices related to the torque shown in your tool bag. • Always use the ...
... nylon-coated screws that have a torque screwdriver, tighten all screws are tightened firmly. • Ensure torque screwdrivers are harder to plastic Turn an additional 180° after the screw head touches the surface of the logic card: more than 90° (Cross-section) •...screwdriver , refer to the "Torque" column for each step. • Make sure that all screws firmly to removing and replacing parts. Lenovo IdeaPad U510 Hardware Maintenance Manual FRU replacement notices This section presents notices related to the torque shown in your tool bag. • Always use the ...
Hardware Maintenance Manual
Page 37
...failing FRU. Any of such FRUs are of the Lenovo U410, unless otherwise stated. 33 DANGER Before removing any FRU, turn on the computer until you have to be damaged by removing any of the interconnecting cables. Lenovo IdeaPad U510 Removing and replacing an FRU This section presents exploded figures... person runs the risk of the page. Remove them in the order in square callouts. 5. Attention: After replacing an FRU, do not turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices...
...failing FRU. Any of such FRUs are of the Lenovo U410, unless otherwise stated. 33 DANGER Before removing any FRU, turn on the computer until you have to be damaged by removing any of the interconnecting cables. Lenovo IdeaPad U510 Removing and replacing an FRU This section presents exploded figures... person runs the risk of the page. Remove them in the order in square callouts. 5. Attention: After replacing an FRU, do not turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices...
