Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you service a ThinkPad Notebook. • “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 •...
• Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators – Similar units to listed above ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-ThinkPad features or options not covered by this inspection guide. If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.
The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
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 Chapter 1 Safety information...
Page 24
• Japanese • Korean • Spanish • Traditional Chinese ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Chapter 2. Important service information This chapter presents following important service information that applies to all machine types supported by this manual: • “Strategy for replacing FRUs” on page 23 – “Strategy for replacing a hard disk drive” on page 24 –...
This is a unique configuration that has been negotiated between Lenovo and the customer. A unique 4-digit MT and 3-digit model is provided to the customer to place orders (Example: 1829-W15). A CMV is a special bid offering. Therefore, it is NOT generally announced. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
• The MTM portion of the machine label is the 4-digit MT and 3-digit model, where model = “CTO” (Example: 1829-CTO). The PRODUCT ID portion of the machine label is the 4-digit MT and 3-digit CMV model (Example: 1829-W15). • The PEW record is the 4-digit MT and 3-digit model, where model = “CTO” (Example: 1829-CTO). •...
Page 32
Use the HMM as a back-up to PEW and eSupport to view the complete list of FRUs at the MT Model level. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
• “Power system checkout” on page 32 ® The descriptions in this chapter apply to any ThinkPad model that supports the PC-Doctor for DOS diagnostics program. Some descriptions might not apply to your particular computer. Before you go to the checkout guide, be sure to read the following important notes.
Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad Notebook. Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products, prototype cards, or modified options can lead to false indications of errors and invalid system responses.
32, and check the power sources. If an error code appears, go to “Symptom-to-FRU index” on page 39. 4. When the ThinkPad logo comes up, immediately press F12 to enter the Boot Menu. 5. Insert the PC-Doctor CD into the internal optical drive.
Page 36
• In the Keyboard test in Interactive Tests, the Fn key should be held down for at least 2 seconds; otherwise, it cannot be sensed. • Video Adapter test supports only the LCD display on the ThinkPad Notebook. If you have an external monitor attached to the computer, detach it before running PC-Doctor for DOS.
To run the test, do as follows: 1. Power off the computer, and then power it on again. 2. When the ThinkPad logo comes up, immediately press Enter key. The Rescue and Recovery workspace opens. 3. Click Launch advanced Rescue and Recovery.
7. Check that the battery pack supplies power when you turn on the computer. If you suspect a power problem, see the appropriate one of the following power supply checkouts: ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
• “Checking the ac adapter” on page 33 • “Checking operational charging” on page 33 • “Checking the battery pack” on page 33 • “Checking the backup battery” on page 34 Checking the ac adapter You are here because the computer fails only when the ac adapter is used. •...
• If the voltage is correct, replace the system board. • If the voltage is not correct, replace the backup battery. • If the backup battery discharges quickly after replacement, replace the system board. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Chapter 4. Related service information This chapter presents following information: • “Restoring the factory contents by using Recovery Disc Set” on page 35 • “Passwords” on page 36 • “Power management” on page 38 • “Symptom-to-FRU index” on page 39 Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/spm.
Note: After restoring a drive to the factory default settings, you might need to reinstall some device drivers. Passwords As many as three passwords may be needed for any ThinkPad Notebook: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP).
(B) If an SVP has been set and is known by the service technician: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility.For models supporting the Passphrase function, press F1 while the POP icon is appearing on the screen; then enter the POP.
1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility.For models supporting the Passphrase function, press F1 while HDP icon is appearing on the screen; then enter the master HDP. For the other models, enter the master HDP.
If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not described there, go to “Intermittent problems” on page 42. Note: For a device not supported by diagnostic codes in the ThinkPad Notebooks, see the manual for that device.
Page 46
System cache error. 2. System board. (two short beeps) 02F0 1. CPU. CPU ID:xx Failed. 2. System board. 02F5 1. DIMM. DMA test failed. 2. System board. (two short beeps) ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Notes: • This policy applies to all ThinkPad Notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects.
1. Turn off the computer. 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Printer, mouse, and other external devices c. Battery pack d. Hard disk drive e.
Chapter 5. Status indicators This chapter presents the system status indicators that show the status of the computer. Table 6. Status indicators Indicator Meaning Power status Green: The ac adapter is connected. If a battery is installed on the computer, it is charged when this indicator is on.
Page 52
Indicator Meaning Sleep (standby) The illumination dot in the ThinkPad logo on the outer lid of the computer and on the status palm rest works as a system-status indicator: it shows whether the computer is in sleep (standby), hibernation, or normal model.
Chapter 6. Special keys and Fn key combination This computer has several special keys at the upper row of the keyboard. To use each function, directly press the desired key. Note: To use F1 - F12 functions, press Fn and the desired function key simultaneously; this is the default setting.
Page 54
Fn key and press the Spacebar. If you turn on the keyboard illumination and then turn the computer off, put it in sleep or hibernation mode, the keyboard illumination setting is reset of "Off". ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad Notebook, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections.
If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.
When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer. 2. From the main menu, select 4. Assign UUID. A new UUID is created and written. If a valid UUID already exists, it is not overwritten.
Chapter 8. Removing and replacing a FRU External CRU statement to customers: Some problems with your product can be resolved with a replacement part you can install yourself, called a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as Self-service CRUs and others are designated as Optional-service CRUs.
When installing: Install the battery pack along the slide rails of the slot. Then make sure that the battery release lever is in the locked position. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
1020 ExpressCard blank bezel Table 9. Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel , it pops out When installing: Make sure that the bezel is correctly oriented as shown in this figure. 1030 Optical drive or travel cover For access, remove this FRU: •...
Table 11. Removal steps of thermal cover Note: Loosen the screws , but do not remove them. Attention: Do not touch or apply any excessive force to the fan motor located in the slot. It might cause damage to the fan assembly or the computer to mulfunction. 1050 Hard disk drive (HDD) assembly For access, remove these FRUs in order: •...
. To do so, you might bend or break it. 1060 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1040 Thermal cover” on page 56 ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 13. Removal steps of DIMM Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot). When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into the place.
Page 66
When installing: Make sure that the fan connector is attached firmly to the system board. Note: Loosen the screws in order, but do not remove them. When you attach the fan, secure the screws in order. For Thinkpad Edge 15" and E50: ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 67
Table 14. Removal steps of fan assembly (continued) For ThinkPad Edge 14" and E40: Note: Step is only for ThinkPad Edge 15". For ThinkPad Edge 14", skip step Step Screw (quantity) Color Torque M2 × 4 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm...
“1040 Thermal cover” on page 56 • “1070 Fan assembly” on page 59 Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 15. Removal steps of CPU Rotate the head of the screw in the direction shown by arrow to release the lock; then remove the CPU When installing: Place the CPU on the CPU socket, and then rotate the head of the screw in the direction shown by arrow to secure the CPU.
Page 70
When installing: Plug the red cable into the jack labeled MAIN , and the blue cable into the jack labeled AUX on the card. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 71
Table 17. Removal steps of SIM card Some models of ThinkPad Edge 14", Edge 15", E40, and E50 might have the SIM card that the customer has been installed. If you need to replace the system board in those models, remove the SIM card as follows: After you finish the servicing, make sure that you insert the card back into the slot firmly.
Black 0.181 Nm (1.85 kgfcm) Black 0.181 Nm M2 × 5 mm, wafer-head, nylon-coated (1) (1.85 kgfcm) M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 73
Table 18. Removal steps of palm rest assembly with cables (continued) Chapter 8 Removing and replacing a FRU...
Page 74
3. Push the front side of the palm rest until it clicks into place. 4. Close the LCD cover and turn the computer over. Then fasten the screws to secure the palm rest. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
1110 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Optical drive or travel cover” on page 55 • “1100 Palm rest assembly with cables” on page 66 Table 20.
“1100 Palm rest assembly with cables” on page 66 DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 21. Removal steps of backup battery When installing: Make sure that the battery connector is attached firmly to the system board. 1130 Bluetooth daughter card (BDC-2) For access, remove these FRUs in order: • “1010 Battery pack” on page 54 •...
For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Optical drive or travel cover” on page 55 • “1100 Palm rest assembly with cables” on page 66 ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 79
Table 23. Removal steps of keyboard Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 5 mm, wafer-head, nylon-coated (1) (1.85 kgfcm) Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) Chapter 8 Removing and replacing a FRU...
Page 80
3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs and try to slide the keyboard toward you. 4. Secure the keyboard by tightening the screws from the bottom side of the computer. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
1150 Keyboard bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Optical drive or travel cover” on page 55 • “1100 Palm rest assembly with cables” on page 66 • “1140 Keyboard” on page 72 Table 25.
Page 82
Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connectors are attached firmly to the system board. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 25. Removal steps of keyboard bezel (continued) 1160 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Optical drive or travel cover” on page 55 • “1090 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 63 •...
Page 84
Attention: When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 85
Table 26. Removal steps of LCD unit (continued) Steps are for ThinkPad Edge 14" and E40, and steps are for ThinkPad Edge 15" and E50. Step Screw (quantity) Color Torque M2.5 × 6.5 mm, wafter-head, nylon-coated (4) Black 0.392 Nm...
• “1090 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 63 • “1100 Palm rest assembly with cables” on page 66 • “1110 PCI Express Mini Card for wireless LAN” on page 69 ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 89
GMCH (Integrated video chip) ICH (I/O Controller Hub) Video chip (only for discrete models) For ThinkPad Edge 14" and E40 integrated models: For ThinkPad Edge 14" and E40 discrete models: Chapter 8 Removing and replacing a FRU...
Page 90
For ThinkPad Edge 15" and E50 integrated models: For ThinkPad Edge 15" and E50 discrete models: Table 29. Removal steps of system board assembly For ThinkPad Edge 15" and E50: ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Torque Step Screw (quantity) Color M2 × 5 mm, wafer-head, nylon-coated (4) Black 0.181 Nm (1.85 kgfcm) For ThinkPad Edge 14" and E40: Step Screw (quantity) Color Torque M2 × 5 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connectors are attached firmly to the system board.
Page 92
M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) Cable routing: Route the USB cable assembly as shown in these figures. For ThinkPad Edge 15" and E50: ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 30. Removal steps of USB connector board and USB cable assembly (continued) For ThinkPad Edge 14" and E40: 1200 DC-in cable and base cover For access, remove these FRUs in order: • “1010 Battery pack” on page 54 •...
Page 94
M2 × 3 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) For ThinkPad Edge 14" and E40: Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 5 mm, wafer-head, nylon-coated (1) (1.85 kgfcm) ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 95
Cable routing: Route the cable as shown in these figures. For ThinkPad Edge 15" and E50: For ThinkPad Edge 14" and E40: Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds.
Page 96
FCC labels, find duplicates of them in the label kit and apply them to the new base cover. For the location of each label, refer the following figures: For ThinkPad Edge 15" and E50: ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
(continued) For ThinkPad Edge 14" and E40: 2010 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1090 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 63 •...
Table 33. Removal steps of speaker assembly Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) 2030 Integrated camera For access, remove these FRUs, in order: • “1010 Battery pack” on page 54 •...
Table 35. Removal steps of hinges, LCD panel, LCD cable, and LCD rear cover assembly (continued) Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, small-head, nylon-coated (4) (1.85 kgfcm) When installing: Make sure that the LCD connector is attached firmly. 2050 Antenna assembly For access, remove these FRUs in order: •...
Page 104
When installing: Route the cables as shown in this figure. When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Chapter 9. Locations This chapter presents the location of ThinkPad Edge 14", Edge 15", E40, and E50 features and hardware. Front view Integrated camera Built-in microphone Built-in stereo speakers Power switch Security keyhole Power status indicator Note: For the description of the indicator, see Chapter 5 “Status indicators” on page 45.
Note: For the description of the indicator, see Chapter 5 “Status indicators” on page 45. Combo audio jack HDMI port RJ-45 (Ethernet) connector eSATA/USB connector External monitor connector Security keyhole ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details. ThinkPad computers contain the following types of CRUs: – Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive.
AC power adapter (see “AC adapters” on page 190.) LCD FRUs In ThinkPad Edge 14", Edge 15", E40, and E50, there are following types of LCDs. • 14.0-inch HD LED-backlight LCD (Table 38 “Parts list—14.0-inch HD LCD” on page 159) •...
60Y9624 Swiss Thai 60Y9703 60Y9631 Traditional Chinese 60Y9702 60Y9630 Turkish 60Y9697 60Y9625 U.K. English 60Y9698 60Y9626 U.S. English 60Y9669 60Y9597 U.S. English (International, with a Euro symbol) 60Y9699 60Y9627 ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 195
Table 41. Parts list—Illuminated keyboard Language FRU no. Arabic 60Y9820 60Y9748 Belgian 60Y9821 60Y9749 Brazilian Portuguese 60Y9819 60Y9747 Bulgarian 60Y9822 60Y9750 Canadian French (058) 60Y9817 60Y9745 Canadian French (Acnor) 60Y9816 60Y9744 Czech 60Y9823 60Y9751 Danish 60Y9824 60Y9752 Dutch 60Y9834 60Y9762 Finnish, Swedish 60Y9841 60Y9769...
Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Table 45. Parts list—2-pin power cords Country or region FRU no. Argentina 42T5020 42T5105 • models -CTO, xxY Brazil...
Table 48. Parts list—Windows 7 Home Premium (32 bit) recovery DVDs Language CRU ID Arabic 76Y1560 Brazilian Portuguese 76Y1561 English 76Y1663 76Y1777 English, Finnish, and Swedish (in Sweden) Korean 76Y1566 Russian 76Y1568 76Y1567 Russian (English-enabled) Simplified Chinese 76Y1562 Spanish 76Y1569 Traditional Chinese 76Y1563 Traditional Chinese (Hong Kong S.A.R.)
76Y1601 76Y1600 English, French, German, and Dutch (in Belgium and Luxemburg) English, French, German, and Italian (in Switzerland) 76Y1602 French 76Y1579 German 76Y1581 Greek 76Y1580 Hebrew 76Y1582 Hungarian 76Y1584 ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Table 50. Parts list—Windows 7 Professional (32 bit) recovery DVDs (continued) Language CRU ID Italian 76Y1585 Japanese 76Y1586 Korean 76Y1587 Norwegian 76Y1588 Polish 76Y1589 Portuguese 76Y1590 Romanian 76Y1592 Russian 76Y1593 Russian (English-enabled) 76Y1591 Serbian-Latin 76Y1597 Simplified Chinese 76Y1574 Slovak 76Y1594 Slovenian 76Y1595 Spanish...
USB floppy diskette drive tool kit Test card for integrated Smart Card 42W7820 — LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/spm ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Appendix A. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
The following terms are trademarks of Intel Corporation or its subsidiaries in the United States, other countries, or both: Intel Intel Centrino Intel Core Other company, product, or service names may be the trademarks or service marks of others. ThinkPad Edge 14², Edge 15², E40, and E50 Hardware Maintenance Manual...
Page 206
Part Number: 75Y4302_01 Printed in China (1P) P/N: 75Y4302_01 *75Y4302_01*...