Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. • Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety information”...
Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. •...
Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Chapter 1 Safety information...
• Improper disc insertion or use of an optical drive • Diskette drive damage caused by pressure on the diskette drive cover, foreign material in the drive, or the insertion of a diskette with multiple labels • Damaged or bent diskette eject button •...
• If the voltage is not correct, replace the ac power adapter. • If the voltage is acceptable, do the following: a. Replace the system board. b. If the problem persists, call the Customer Support Center. Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery pack charges properly during operation, do the following: Note: Before you begin, install a discharged battery pack or a battery pack that has less than 50% of the...
Screen blank mode In the following circumstances, the computer enters screen blank mode: • The time set on the “Turn off monitor” timer on the Windows 7 operating system expires. To end screen blank mode and resume normal operation, press any key. •...
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When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive is read, and the system status is restored from the hard disk drive. Chapter 3 Related service information...
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Table 1. Status indicators (continued) Indicator Meaning • Slow-blinking orange: The battery charge level is between 5% and 20%, and charging is continuing. When the battery charge level reaches 20%, the blinking color changes to green. • Solid orange: The battery discharge level is between 5% and 20%. •...
Right-side view Figure 2. Right-side view Combo audio jack Optical drive (on some models) USB connector ac power adapter Bottom and left-side view Figure 3. Bottom and left-side view Battery lock Monitor connector Battery pack Ethernet connector Battery latch HDMI port Security-lock slot Universal Serial Bus (USB) connector Fan louvers...
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CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.
Major FRUs and CRUs Table 3. Major FRUs and CRUs FRU description CRU ID LCD unit Keyboard bezel with touch pad LED board with cable Thermal module assembly USB board Battery pack Hardware Maintenance Manual...
Base cover Optical drive Input/output (I/O) board Base cover Hard disk drive Speaker Memory module System board Wireless LAN card Microprocessor Power board with cable Keyboard LCD FRUs Lenovo E4325 uses a 355.6-mm (14-inch) high definition (HD) LCD. Chapter 6 Locations...
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Table 4. LCD FRUs FRU description CRU ID LCD Bezel Hinges Camera Right antenna LCD cover Left antenna LCD panel Hardware Maintenance Manual...
Optical drive bracket Optical drive bezel Hard disk drive bracket Touch pad cable Power board cable LCD cable Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup. Chapter 6 Locations...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
FRU that changed the symptoms. Screw notices The Lenovo notebook computer uses special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration.
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
1010 Battery pack Removal steps of battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Unlock the spring-loaded battery latch . Holding the manual battery latch in the unlocked position, remove the battery pack in the direction shown by the arrow When installing: Install the battery pack in the slot.
Removal steps of bottom slot cover Remove the screws , and then remove the cover. Step Screw (quantity) Color Torque Black 1.85 kgf-cm M2 × 3 mm, flat-head, nylon-coated (2) 1030 Optical drive For access, remove these FRUs in order: •...
Insert a screwdriver into the screw hole and push the optical drive in the direction shown by the arrow Then remove the optical drive. Removal steps of optical drive bezel and optical drive bracket Remove the screw and then remove the optical drive bracket. Torque Step Screw (quantity)
Removal steps of memory module Release the two latches on both edges of the socket at the same time in the direction shown by the arrows , and then unplug the memory module in the direction shown by the arrow When installing: Insert the notched end of the memory module into the memory slot at an angle of about 20 degrees.
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Removal steps of hard disk drive assembly Remove the screw , then pull the tab in the direction shown by the arrow Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgf-cm Remove the hard disk drive assembly. When installing: Ensure that the hard disk drive connector is attached firmly.
Remove the hard disk drive bracket. 1060 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 Removal steps of PCI Express Mini Card for wireless LAN In steps , disconnect the cables from the card using the removal tool for the antenna connectors (P/N: 08K7159) or pick up the cables with your fingers and then gently disconnect them.
Remove the PCI Express Mini Card for wireless LAN. When installing: Plug the black cable into the main connector, and the white cable into the auxiliary connector. 1080 Backup battery For access, remove these FRUs in order: • “1010 Battery pack” on page 50 •...
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• “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 Removal steps of keyboard Remove the screws When installing: Ensure that the screws have been firmly installed to secure the keyboard. Step Screw (quantity) Color Torque M2.5 ×...
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Carefully detach the keyboard and then lift it up until you can see how it is connected. Detach the keyboard connector, and then remove the keyboard. When installing: Ensure that the connector is firmly attached. Hardware Maintenance Manual...
1100 Keyboard bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 • “1090 Keyboard” on page 56 Removal steps of keyboard bezel Remove the screws that secure the keyboard bezel.
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Remove the screw Torque Step Screw (quantity) Color M2 × 6 mm, flat-head, nylon-coated (1) Black 1.85 kgf-cm Detach the connectors. When installing: Ensure that all the connectors are firmly attached. Hardware Maintenance Manual...
Remove the keyboard bezel. 1110 LED board For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 • “1090 Keyboard” on page 56 •...
Remove the LED board. 1120 Power board For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 • “1090 Keyboard” on page 56 •...
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Removal steps of the input/output (I/O) board Remove the screws , and then disconnect the cable. Step Screw (quantity) Color Torque Black M2 × 6 mm, flat-head, nylon-coated (2) 1.85 kgf-cm When installing: Ensure that the cable is firmly attached. Chapter 8 Removing and replacing a FRU...
Remove the input/output (I/O) board. 1150 System board assembly and USB board For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 •...
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For models with an integrated thermal module assembly For models with a discrete thermal module assembly Chapter 8 Removing and replacing a FRU...
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Removal steps of system board assembly and USB board Remove the screws , and then detach the connectors. Step Screw (quantity) Color Torque M2 × 6 mm, flat-head, nylon-coated (2) Black 1.85 kgf-cm When installing: Ensure that all the connectors are firmly attached. Remove the system board.
Disconnect the connector, and then remove the USB board. 1160 Thermal module For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 •...
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Loosen the screws following the numerical order from Carefully remove the fan assembly. Note: Be careful not to damage the connector. Hardware Maintenance Manual...
When installing: Before you attach the thermal module to the system board, apply thermal grease, at an amount of 0.2 grams, on the part marked as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For models with an integrated thermal module For models with a discrete thermal module 1170 Microprocessor...
• “1150 System board assembly and USB board” on page 64 • “1160 Thermal module” on page 67 Attention: The microprocessor is extremely sensitive. When you service the microprocessor, avoid any kind of rough handling. Removal steps of microprocessor Rotate the head of the screw in the direction shown by the arrow to release the lock, then remove the microprocessor When installing: Place the microprocessor above the microprocessor socket...
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Removal steps of LCD unit Release the antenna cables from the cable guides. Then remove the screws Torque Step Screw (quantity) Color M2.5 × 6 mm, flat-head, nylon-coated (4) Silver 4.0 kgf-cm When installing: • Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension.
Remove the LCD unit in the direction shown by the arrow 1190 Speaker assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1020 Bottom slot cover” on page 50 • “1030 Optical drive” on page 51 •...
Removal steps of speaker assembly Remove the screws . Then remove the speaker assembly Torque Step Screw (quantity) Color M2.5 × 5.7 mm, flat-head, nylon-coated (2) Black 4.0 kgf-cm 1200 DC-in connector and base cover For access, remove these FRUs in order: •...
Removal steps of DC-in connector and base cover Remove the screws , and then remove the DC-in connector in the direction shown by the arrow Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Black 1.85 kgf-cm Applying labels to the base cover The new base cover is shipped with a kit containing labels of several kinds.
• “1180 LCD unit” on page 70 Removal steps of LCD front bezel Remove the screws Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (2) Black 1.85 kgf-cm Remove the LCD front bezel in the direction shown by the arrows When installing: Ensure that all the latches are attached firmly.
Removal steps of camera Remove the camera from the LCD cover as shown in the following illustration. Note: The camera is stuck on the top center of the LCD cover. When installing: Stick the camera to the top center of the LCD cover and adjust the placement to make sure that the connector is attached firmly.
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Removal steps of LCD panel and LCD cable Remove the screws . Then remove the LCD panel with hinges in the direction shown by the arrow. Torque Step Screw (quantity) Color M2 × 4 mm, flat-head, nylon-coated (6) White 1.85 kgf-cm Remove the screws .
Remove the LCD cable. When installing: Ensure that the cable is attached firmly. 2040 Antenna assembly and LCD rear cover For access, remove these FRUs in order: • “1010 Battery pack” on page 50 • “1180 LCD unit” on page 70 •...
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Part Number: Printed in China (1P) P/N: *1P*...