Lenovo D400 Desktop IdeaCentre User Manual

Lenovo IdeaCentre D400 Series Hardware Maintenance Manual

5This chapter contains the safety information that you need to be familiar with before servicing a computer.General safetyFollow these rules to ensure

6Chapter 2. Safety informationRemember: Metal objects are good electrical conductors. • Wear safety glasses when you are: hammering, drilling, solder

7Hardware Maintenance Manual• If you need to work on a machine that has exposed electrical circuits, observe the following precautions:– Ensure that a

8Chapter 2. Safety informationSafety inspection guideThe intent of this inspection guide is to assist you in identifying potentially unsafe conditions

9Hardware Maintenance ManualHandling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) s

10Chapter 2. Safety informationSafety noticesThe caution and danger safety notices in this section are provided in the the language of English.DANGER:

11Hardware Maintenance ManualCAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by t

12Chapter 2. Safety informationCAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the

13This chapter provides general information that applies to all machine types supported by this publication.SpecificationsThis section lists the physi

14Chapter 3. General information

15General error messages appear if a problem or conflict is found by an application program, the operating system, or both. For an explanation of thes

16Chapter 4. General checkout5. Look at the following conditions and follow the instructions:• If an error code is displayed during POST, go to “POST

17Hardware Maintenance ManualCheckout procedureThe checkout procedure is the sequence of tasks that you should follow to diagnose a problem in the hom

18Chapter 4. General checkoutg. PQAF system testh. PQAF memory testi. PQAF HDD testj. Read serial number from DMI datak. Pass During the diagnostic pr

19Hardware Maintenance ManualProblem determination tipsDue to the variety of hardware and software combinations that can be encountered, use the follo

20Chapter 4. General checkout

21The Setup Utility program is used to view and change the configuration settings for your computer, regardless of which operating system you are usin

22Chapter 5. Using the Setup Utility6. Locate the JP3 Debug/User mode jumper on the system board. 7. Close the jumper to enable system for debug mode.

23Hardware Maintenance ManualSerial ATAEnables or disables the onboard SATA ports. The default is set to Enabled. To enable the onboard SATA ports:1.

24Chapter 5. Using the Setup Utility

ii

25The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Chec

26Chapter 5. Symptom-to-FRU indexPower supply problemsIf you suspect a power problem, use the following procedures. BIOS crisis recoveryWhen the home

27Hardware Maintenance ManualPOST error codesEach time you power-on the home center, it performs a series of tests that check the operation of the hom

28Chapter 5. Symptom-to-FRU indexUSB controller failed1. Make sure that the correct drivers are installed and they are at the latest level. 2. Remov

29Hardware Maintenance ManualAfter system bootHard disk drive failed1. Reseat the following components:- Hard disk drive- Cable from the hard disk dr

30Chapter 5. Symptom-to-FRU indexUndetermined problemsIf the diagnostic tests did not diagnose the failure or if the home center is inoperative, use t

31Hardware Maintenance Manual3. Power-on the home center to re-test the system.4. Repeat steps 1 through 3 until you find the failing device or adapte

32Chapter 5. Symptom-to-FRU index

33General informationPre-disassembly instructionsBefore proceeding with the disassembly procedure, make sure that you do the following:1. Power-off th

34Chapter 7. Replacing hardwareReplacing the hard disk driveTo replace the hard disk drive1. Open the door of the home center. 2. Remove the HDD carri

iiChapter 1. About this manual ...1Important safety information . . . . . . . . . . . . . . . . . . . .

35Hardware Maintenance Manual3. Pull the lever and slide the HDD carrier from the chassis. 4. Remove the HDD from the carrier. (1) Gently pry open the

36Chapter 7. Replacing hardware5. Install the new HDD into the carrier. (1) Insert the new drive into the right side of the carrier, aligning the pins

37Hardware Maintenance ManualRemoving the coverTo remove the cover1. Read the safety information in the User Guide document. 2. Unplug all power cords

38Chapter 7. Replacing hardwareReplacing the front bezelTo replace the front bezel1. Remove the cover. Refer to “Removing the cover”.2. Slightly press

39Hardware Maintenance Manual4. Disconnect the switch cable (1) and the I/O LED cable (2) from the front panel LED board. 5. Remove the bezel and set

40Chapter 7. Replacing hardwareRemoving the fanTo replace the fan1. Remove the cover. Refer to “Removing the cover”.2. Disconnect the fan cable attach

41Hardware Maintenance Manual3. Remove the four screws (1) that secure the fan to the home center chassis. 4. Remove the fan (2) from the home center.

42Chapter 7. Replacing hardwareReplacing the memory moduleTo replace the memory module1. Remove the cover. Refer to “Removing the cover”.2. Remove the

43Hardware Maintenance Manual5. Install the new memory module.(1) Align then insert the new memory module into the connector.(2) Push down on the top

44Chapter 7. Replacing hardwareReplacing the power supplyTo replace the power supply1. Remove the cover. Refer to “Removing the cover”.2. Remove the f

iiiHardware Maintenance ManualChapter 7. Replacing hardware ...33General information . . . . . . . . . . . .

45Hardware Maintenance Manual4. Disconnect the power cables.(1) Pry the retaining clip out (1) and detach the 8-pin power cable (2). (2) Press down on

46Chapter 7. Replacing hardware(4) Press down on the tab on the 24-pin power cable (1) and pull the cable out (2). 5. Remove the four screws on the po

47Hardware Maintenance ManualReplacing the system boardTo replace the system board1. Remove the cover. Refer to “Removing the cover”.2. Remove the fro

48Chapter 7. Replacing hardware(2) Disconnect the backplane LED cable from the hard disk drive backplane (1), then pull the backplane bracket out of t

49Hardware Maintenance Manual9. Remove the system board. (1) Remove the four screws that secure the system board to the system board tray. (2) Lift th

50Chapter 7. Replacing hardwareReplacing the power cord To replace the power cord1. Power-off the home center and all external devices.2. Disconnect t

51Hardware Maintenance ManualCompleting the installationAfter replacing the parts, you need to install the cover and reconnect cables, including wired

52Chapter 7. Replacing hardwareSATA, fan and LED cablesI/O LED, USB, and switch cablesNo. Cable No. Cable1 SATA 1 cable 5 HDD status LED cable2 SATA 2

53Hardware Maintenance Manual3. Replace the cover. (1) Position the cover on the home center chassis so that the tabs on the cover align with the slot

54Chapter 7. Replacing hardware

1This manual contains service and reference information for Lenovo IdeaCentre A computers listed on the cover. It is intended only for trained service

55This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power

56Chapter 7. Additional service information

57Thanks for using Lenovo products.Carefully read all documents shipped with your computer before you install and use the product for the first time f

58Appendix. StatementWelcome to contact us for any inconsistency between the product and all the manuals included with your computer. For the latest i

2Chapter 1. About this manualUsing eSupportFor Key Commodities (Examples - hard disk drive, system board, microprocessor, LCD, and memory)• eSupport c

3Hardware Maintenance ManualSo, if the parts are not compliant originally, replacement parts can also be noncompliant, but in all cases, if the parts

4Chapter 1. About this manual