Lenovo 3000 H305 Desktop- Manuals

Chapter 2. Safety information 3 Safety information 2 This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: Observe good housekeeping in the area of the machines during and • after mainte...

Hardware Maintenance Manual 4 Wear safety glasses when you are: hammering, drilling soldering, • cutting wire, attaching springs, using solvents, or working in any other conditions that might be hazardous to your eyes. After service, reinstall all safety shields, guards, labels, and ground wires. • ...

Hardware Maintenance Manual 6 Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injur...

Chapter 2. Safety information 7 Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect...

Hardware Maintenance Manual 8 Safety notices The caution and danger safety notices in this section are provided in the the language of English. DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: Do not connect or disconnect any cables or p...

Chapter 3. General information 11 General information 3 This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. Type IdeaCentre H3 This section lists the physical speci...

Hardware Maintenance Manual 12 General Checkout 4 The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an i...

Chapter 4. General Checkout 13 5. Power-on the computer. • Look for displayed error codes • Listen for beep codes • Look for readable instructions or a main menu on the display. If you did not receive the correct response, proceed to step 6 . If you do receive the correct response, proceed to step 7...

Chapter 5. Using the Setup Utility 15 Using the Setup Utility 5 The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating-system settings might override any similar settings in the Setu...

Hardware Maintenance Manual 16 keyboard. The keys used to perform various tasks are displayed on the right side of each screen. Using passwords By using the Setup Utility program, you can set passwords to prevent unauthorized persons from gaining access to your computer and data. See “Starting the S...

Chapter 5. Using the Setup Utility 17 password. However, to change any configuration settings, you must use your supervisor password. Setting, changing, and deleting a Supervisor password To set, change, or delete a password, do the following: Note: A password can be any combination of up to ten cha...

Hardware Maintenance Manual 18 1. Start the Setup Utility program (See ”Starting the Setup Utility program”.)2. From the Setup Utility program menu, selet Set Power-On Password and press Enter. 3. The password dialog box will be displayed. Type the new password, and press Enter. 4. when prompted to ...

Chapter 5. Using the Setup Utility 19 Controller, Lan boot Agent and so on. See the information displayed on the right side of the screen. Selecting a startup device If your computer does not start up (boot) from a device such as the CD-ROM, diskette, or hard disk as expected, use one of the followi...

Hardware Maintenance Manual 20 Exiting from the Setup Utility program When you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save changes and Exit before you exit. O...

Chapter 6. Symptom-to-FRU Index 21 Symptom-to-FRU Index 6 The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Checkout,” on page 13. This index can also be used to help you decide which FRUs to have available...

Hardware Maintenance Manual 22 Beep symptoms Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST. The following tables describes beep symptoms. Beep Symptom FRU/Action 3 beeps Base memory read/write test error POST error codes Each time you power-on...

Chapter 6. Symptom-to-FRU Index 23 Undetermined problems If this computer has a parallel ATA hard disk drive, make sure that the hard disk drive is jumpered as a master and the optical drive is jumpered as a slave.1. Power-off the computer.2. Remove or disconnect the following components (if install...

Hardware Maintenance Manual 24 Locations 7 This chapter provides illustrations to help locate the various connectors, controls and components of the computer. To remove the computer cover, refer to “Removing the computer cover”. Locating components and connectors The following illustrations will hel...

Chapter 7. Locations 25 Computer cover Power supply Motherboard Chassis Optical disk drive bay Optical disk drive Vent Heatsink Fan Hard disk drive Hard disk drive bay Front bezel Card reader (Selected models) Audio & USB connectors Front view The following illustrations show the location of con...

Hardware Maintenance Manual 26 Power switch Card reader modules (Selected models) Optical drive Headphone connector Microphone connector USB ports (2) Rear view The following illustration shows the location of connectors on the rear of the computer.(If the rear view configuration in this chapter is ...

Hardware Maintenance Manual 28 Microphone connector Audio line-out connector Audio line-in connector PCI Express x1 adapter connector PCI Express x16 graphics adpter connector Identifying parts on the system board The system board (sometimes called the planar or motherboard) is the main circuit boar...

Chapter 8. Replacing hardware 31 Replacing hardware 8 Attention Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer....

Hardware Maintenance Manual 32 Removing the computer cover Attention Turn off the computer and wait 3 to 5 minutes to let the computer cool before removing the computer cover. To remove the computer cover: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down your operatin...

Chapter 8. Replacing hardware 33 Removing the front bezel To remove the front bezel: 1. Remove the computer cover. Refer to “Removing the computer cover”. Note For this procedure, it helps to lay the computer on its side.

Hardware Maintenance Manual 34 2. Remove the front bezel by releasing the three plastic tabs inside the chassis and push the bezel outward as shown. 3. To reinstall the bezel, align the plastic tabs on the bottom of the bezel with the corresponding holes in the chassis, and then snap it into positio...

Chapter 8. Replacing hardware 35 To replace the optical drive 1. Remove the computer cover. Refer to “Removing the computer cover”.2. Remove the front bezel. Refer to “Removing the front bezel”.3. Remove the 2 screws that secure the optical disk bay to the chassis. 4. Slide out then lift up the opti...

Hardware Maintenance Manual 36 Replacing a memory module Attention Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the comput...

Chapter 8. Replacing hardware 37 6. Position the new memory module over the memory connector. Make sure the notch on the memory aligns correctly with the connector key on the system board. Push the memory module straight down into the connector until the retaining clips close. 7. Install the optical...

Chapter 8. Replacing hardware 39 6. Remove the 4 screws that secure the hard disk drive to the hard disk drive bay. 7. Slide the hard disk drive out of the bay. 8. Install the new hard disk drive. (1) Insert the new hard disk drive into the drive bay. (2) Screw back the 4 screws on the drive bay. 9....

Hardware Maintenance Manual 40 To replace the system fan: 1. Remove the computer cover. Refer to “Removing the computer cover”.2. Remove the front bezel. Refer to “Removing the front bezel”.3. Remove the optical disk drive. Refer to “Replacing the optical disk drive”.4. Remove the 2 screws that secu...

Chapter 8. Replacing hardware 41 Replacing the heat sink Attention Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the comput...

Hardware Maintenance Manual 42 Replacing the CPU Attention Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To o...

Chapter 8. Replacing hardware 45 13. Use the thermal grease syringe to place five drops of grease on the top of the microprocessor. Each drop of grease should be 0.03ml (3 tick marks on the grease syringe). 14. Install all the relative parts back. 15. Reattach all the cables back to the motherboard....

Hardware Maintenance Manual 46 Replacing the audio & USB connectors To replace the audio & USB connectors: 1. Remove the computer cover. Refer to “Removing the computer cover”.2. Remove the front bezel. Refer to “Removing the front bezel”.3. Remove the graphic card. Refer to “Replacing the g...

Chapter 8. Replacing hardware 47 4. Remove the data cable from the motherboard.5. Slide the card reader module out of chassis. 6. Align then insert the new card reader module and screw it in.7. Reconnect the data cable to the motherboard.8. Install the front bezel and computer cover. Replacing the m...

Hardware Maintenance Manual 48 6. Remove the system fan. Refer to “Replacing the system fan”.7. Remove the heatsink. Refer to “Replacing the heatsink”.8. Remove the graphic card. Refer to “Replacing the graphic card”.9. Remove the CPU. Refer to “Replacing the CPU”.10. Remove the 6 screws that secure...

Hardware Maintenance Manual 50 12. Slide then lift the Power supply out of chassis. 13. Align then insert the new Power supply and screw it in.14. Install all the relative parts back and reattach all the cables back.15. Install back the fromt bezel and computer cover. Replacing the keyboard To repla...

Chapter 8. Replacing hardware 51 4. Disconnect the failing keyboard cable from the computer and connect the new keyboard cable to the same connector. Replacing the mouse To replace the mouse: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down your operating system, and ...

Hardware Maintenance Manual 52 Additional Service Information 9 This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, proc...

Appendix. Statement 53 Statement A Thanks for using Lenovo products. Carefully read all of the documents shipped with your computer before you install and use the product for the first time. Lenovo will not assume responsibility for damage that results from failure to operate the product according t...