Hardware Maintenance Manual
Page 3
...board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 ...Recovery Disc 23 Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Sleep (standby) state 25 Shutting down the computer 26 Lenovo IdeaPad U510 27 Specifications 27 Status indicators ...Overall 68 LCD FRUs 73 Keyboard 75 AC adapters 80 Power cords 81 Notices 84 Trademarks 85 iii
...board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 ...Recovery Disc 23 Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Sleep (standby) state 25 Shutting down the computer 26 Lenovo IdeaPad U510 27 Specifications 27 Status indicators ...Overall 68 LCD FRUs 73 Keyboard 75 AC adapters 80 Power cords 81 Notices 84 Trademarks 85 iii
Hardware Maintenance Manual
Page 7
... main units • Before you from passing through your back. Use only one hand when working with powered-on the machine, unplug the power cord. Attention: An electrical shock can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near their machines that contain small...
... main units • Before you from passing through your back. Use only one hand when working with powered-on the machine, unplug the power cord. Attention: An electrical shock can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near their machines that contain small...
Hardware Maintenance Manual
Page 9
... Check inside the unit for any non-Lenovo alterations. 7. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Turn off , and the power cord disconnected. The power cord should use the following checklist at the ... judgment as loose or missing hardware To determine whether there are present, you in good condition. If any obvious non-Lenovo alterations. Disconnect the power cord. 3. b. Check exterior covers for cracked or bulging batteries. 5. This guide addresses only those items. You should be...
... Check inside the unit for any non-Lenovo alterations. 7. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Turn off , and the power cord disconnected. The power cord should use the following checklist at the ... judgment as loose or missing hardware To determine whether there are present, you in good condition. If any obvious non-Lenovo alterations. Disconnect the power cord. 3. b. Check exterior covers for cracked or bulging batteries. 5. This guide addresses only those items. You should be...
Hardware Maintenance Manual
Page 25
...the plug of the following : • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad U510" on page 27. Make sure that has less than 50% of the total power remaining when installed in the computer. 21 To check the AC adapter, follow the steps below : 1. Note: ...8226; "Checking operational charging" on page 21 • "Checking the battery pack" on the computer. If you suspect a power problem, see the appropriate one you turn on , check the power cord of the AC adapter for the AC adapter pin No. 2 may differ from the one of the AC adapter cable...
...the plug of the following : • Replace the system board. • If the problem persists, go to "Lenovo IdeaPad U510" on page 27. Make sure that has less than 50% of the total power remaining when installed in the computer. 21 To check the AC adapter, follow the steps below : 1. Note: ...8226; "Checking operational charging" on page 21 • "Checking the battery pack" on the computer. If you suspect a power problem, see the appropriate one you turn on , check the power cord of the AC adapter for the AC adapter pin No. 2 may differ from the one of the AC adapter cable...
Hardware Maintenance Manual
Page 37
...connecting and arranging internal cables, see "Locations" on page 32. 3. Metallic parts or metal flakes can be removed before the failing FRU. Lenovo IdeaPad U510 Removing and replacing an FRU This section presents exploded figures with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove ...an FRU, do not turn off the computer, unplug all screws, springs, and other small parts are of the notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, turn on the computer until you have been trained and certified...
...connecting and arranging internal cables, see "Locations" on page 32. 3. Metallic parts or metal flakes can be removed before the failing FRU. Lenovo IdeaPad U510 Removing and replacing an FRU This section presents exploded figures with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove ...an FRU, do not turn off the computer, unplug all screws, springs, and other small parts are of the notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, turn on the computer until you have been trained and certified...
Hardware Maintenance Manual
Page 71
Lenovo IdeaPad U510 Parts list This section presents the following service parts: • "Overall" on page 68 • "LCD FRUs" on page 73 • "Keyboard" on page 75 • "Miscellaneous parts" on page 79 • "AC adapters" on page 80 • "Power cords" on page 81 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 67
Lenovo IdeaPad U510 Parts list This section presents the following service parts: • "Overall" on page 68 • "LCD FRUs" on page 73 • "Keyboard" on page 75 • "Miscellaneous parts" on page 79 • "AC adapters" on page 80 • "Power cords" on page 81 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 67