Lenovo 6281 - Manual

Chapter 2. Safety information 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 maintenance. • When lifting a...

• Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use the black side ...

To Connect To Disconnect 1. Turn everything OFF. 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. Turn device ON. 1. Turn everything OFF. 2. First, remove power cords from outlet. 3. Remove signal cables from connectors. 4. Remove all...

Chapter 3. General information 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. This section lists the physical specifications for your computer. Type IdeaCentre...

Chapter 4. General Checkout Attention: 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 incorrect dri...

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

• Not be a common word or a common name • Be significantly different from your previous password Administrator password When a Administrator Password is set, it deters unauthorized persons from changing configurationsettings. If you are responsible for maintaining the settings of several computers, ...

1. Turn off your computer. 2. Press and hold the F12 key then turn on the computer. When the Startup Device Menu appears, release the F12 key. Note: If you are using a USB keyboard and the Startup Device Menu does not display using this method, repeatedly press and release the F12 key rather than le...

Chapter 6. Symptom-to-FRU Index 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 11. This index can also be used to help youdecide which FRUs to have available when servicing a computer. ...

POST error codes Each time you power-on the system, it performs a series of tests that check the operation of the systemand some options. This series of tests is called the Power-On Self-Test , or POST . POST does the following operations. • Checks some basic system-board operations • Checks the mem...

Chapter 7. Locations This section provides illustrations to help locate the various connectors, controls and components of thecomputer. Locating components, controls and connectors The following illustrations will help you to locate the various components, controls and connectors on yourcomputer. Fo...

Rear view The following illustration shows the location of connectors on the rear of the computer. Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause overheating. 1. S/P DIF port 2. VGA connector 3. USB ports (5) 4. HDMI-out port 5. Ethernet connector 6. Power...

Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer.It provides basic computing functions and supports a variety of devices that are factory-installed or that youcan install later. 1 2 3 6 7 8 9 10 12 13 15 16 ...

Chapter 8. Replacing hardware 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 obtain copies of the...

Replacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth ...

Step 5. Remove the 3 screws and slide the optical disk drive out as shown. Step 6. Install the new optical drive as follows: a. Align the new optical drive with the bezel, push it into position and secure it with 3 screws. b. Line up the optical drive bezel with the optical disk drive box and secure...

Step 6. Lift up the computer cover as shown. Step 7. To install the computer cover: a. Line up the computer cover with the chassis as shown. b. Secure the computer cover to the chassis with the 4 screws. Replacing the hard disk drive Attention: Turn off the computer and wait 3 to 5 minutes to let it...

Step 6. Lift up the back of the hard disk drive and pull it out as shown. Step 7. Remove the 4 screws that secure the hard disk drive to the hard disk drive bay. Step 8. Slide out the hard disk drive out of the bay to remove it. Step 9. To install the new hard disk drive as follows: a. Slide the new...

Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratchesor other damage. To replace a memory module Step 1. Remove any media (disks, CDs, or me...

Step 5. Disconnect the 2 antenna cables from the WLAN card. 1 Step 6. Remove the screw that secures the WLAN card to the motherboard. 2 Step 7. Pull the WLAN card upward to remove it from the card port. 1 2 Step 8. Line up the new WLAN card, then insert it into the card port and secure it to the mot...

Step 6. Remove the 4 screws that secure the system fan to the motherboard. Step 7. Remove the heat-sink by lifting it up. Step 8. To install the new heat-sink: a. Line up the new heat-sink with the mounting holes on the chassis and place it into position. b. Secure the new heat-sink with the 4 screw...

Step 5. Remove the 3 screws that secure the system fan to the motherboard. Step 6. Disconnect the system fan power cables from the motherboard. Step 7. Remove the system fan by lifting it up. Step 8. To install the new system fan: a. Line up the new system fan with the mounting holes on the chassis ...

Step 6. Remove the memory module. Refer to “Replacing a memory module”. Step 7. Remove the WLAN card. Refer to “Replacing the WLAN card”. Step 8. Remove the power button. Refer to “Removing the power button”. Step 9. Remove the system fan. Refer to “Replacing the system fan”. Step 10. Remove the hea...

Note: Your keyboard will be connected to a USB connector on one side or at the rear of the computer. Step 4. Disconnect the defective keyboard cable from the computer and connect the new keyboard cableto the same connector. Note: The mouse can be replaced using the same method. FRU lists This chapte...

Chapter 9. Additional Service Information 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 thesystem power supply, processor, hard disk drives...