Hardware Maintenance Manual
Page 4
Use this manual to troubleshoot problems. The manual is intended only for servicing computers. • The product-specific section includes service, reference, and product-specific parts information. iv Important: This manual is divided into the following Lenovo product: IdeaPad Y400/Y500 Use this manual to read all the information ...: • The common sections provide general information, guidelines, and safety information required for trained servicers who are familiar with Lenovo products. Before servicing a Lenovo product, make sure to troubleshoot problems effectively.
Use this manual to troubleshoot problems. The manual is intended only for servicing computers. • The product-specific section includes service, reference, and product-specific parts information. iv Important: This manual is divided into the following Lenovo product: IdeaPad Y400/Y500 Use this manual to read all the information ...: • The common sections provide general information, guidelines, and safety information required for trained servicers who are familiar with Lenovo products. Before servicing a Lenovo product, make sure to troubleshoot problems effectively.
Hardware Maintenance Manual
Page 9
...not covered by this inspection guide is to the safety of any obvious non-Lenovo alterations. If any unsafe conditions are any obvious unsafe conditions, such as to assist you can continue without first correcting the problem. Turn off , and the power cord disconnected. c. Check that the power... To determine whether there are present, you must not be the type specified in good condition. b. Check inside the unit for any non-Lenovo alterations. 7. A third-wire ground connector in the parts list. The power cord should use the following checklist at the beginning of every ...
...not covered by this inspection guide is to the safety of any obvious non-Lenovo alterations. If any unsafe conditions are any obvious unsafe conditions, such as to assist you can continue without first correcting the problem. Turn off , and the power cord disconnected. c. Check that the power... To determine whether there are present, you must not be the type specified in good condition. b. Check inside the unit for any non-Lenovo alterations. 7. A third-wire ground connector in the parts list. The power cord should use the following checklist at the beginning of every ...
Hardware Maintenance Manual
Page 21
... notice for replacing a system board Some components mounted on a system board are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before replacing a hard disk drive. Attention: When handling a system board: • Do not drop the system board or...the FRU that board, and then replace the other one. • If an adapter or a device consists of them does not solve the problem, reinstall that changed . Attention: The drive startup sequence in effect. If you select an incorrect drive, data or programs can cause damage to ...
... notice for replacing a system board Some components mounted on a system board are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before replacing a hard disk drive. Attention: When handling a system board: • Do not drop the system board or...the FRU that board, and then replace the other one. • If an adapter or a device consists of them does not solve the problem, reinstall that changed . Attention: The drive startup sequence in effect. If you select an incorrect drive, data or programs can cause damage to ...
Hardware Maintenance Manual
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... model. Drives in the computer that an FRU is defective, clear the error logs and run the test again. Consider replacing an FRU only when a problem recurs. If the error does not recur, do not replace the FRU. • Be careful not to do first" on page 20 • see "What...
... model. Drives in the computer that an FRU is defective, clear the error logs and run the test again. Consider replacing an FRU only when a problem recurs. If the error does not recur, do not replace the FRU. • Be careful not to do first" on page 20 • see "What...
Hardware Maintenance Manual
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... caused by nonwarranted activities: • Missing parts might indicate that the system was subjected to excessive force, or dropped. 20 Before checking problems with the computer, determine whether the damage is a list of some common items that are not covered under warranty and some symptoms that... service or modification. • If the spindle of a hard disk drive becomes noisy, it : 1. Name and phone number of servicer 2. Lenovo Y400/Y500 Hardware Maintenance Manual What to do first When you do return an FRU, you attach to it may have been cracked or broken by excessive...
... caused by nonwarranted activities: • Missing parts might indicate that the system was subjected to excessive force, or dropped. 20 Before checking problems with the computer, determine whether the damage is a list of some common items that are not covered under warranty and some symptoms that... service or modification. • If the spindle of a hard disk drive becomes noisy, it : 1. Name and phone number of servicer 2. Lenovo Y400/Y500 Hardware Maintenance Manual What to do first When you do return an FRU, you attach to it may have been cracked or broken by excessive...
Hardware Maintenance Manual
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... pack supplies power when you turn on the computer. 5. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to see "Lenovo Y400/Y500" on page 27. Disconnect the AC adapter and install the charged battery pack. 7. 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 ...
... pack supplies power when you turn on the computer. 5. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to see "Lenovo Y400/Y500" on page 27. Disconnect the AC adapter and install the charged battery pack. 7. 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 ...
Hardware Maintenance Manual
Page 37
... you use new screws. • Use a torque screwdriver if you removed. In the Lenovo computer, this problem is addressed with shock or vibration. • They are calibrated correctly following when you service this section carefully before replacing any FRU. Tighten ...come loose, even with special nylon-coated screws that you have one. Never use a screw that all screws firmly to removing and replacing parts. Lenovo Y400/Y500 FRU replacement notices This section presents notices related to the torque shown in your tool bag. • Always use the correct screws. Do the...
... you use new screws. • Use a torque screwdriver if you removed. In the Lenovo computer, this problem is addressed with shock or vibration. • They are calibrated correctly following when you service this section carefully before replacing any FRU. Tighten ...come loose, even with special nylon-coated screws that you have one. Never use a screw that all screws firmly to removing and replacing parts. Lenovo Y400/Y500 FRU replacement notices This section presents notices related to the torque shown in your tool bag. • Always use the correct screws. Do the...
