Table of Contents
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Contents
About this manual. . . . . . . . . . .
safety information. . . . . . . . . . . . 1
Power cords and power adapters . . . . . . . .
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Glass parts notice . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Chapter 2. Product overview . . . . . 27
Locations. . . . . . . . . . . . . . . . .
on the front of your computer . . . . . . .
computer . . . . . . . . . . . . . . .
Locating components . . . . . . . . . .
Locating major FRUs and CRUs . . . . . .
Features . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . .
Chapter 3. Using your computer . . . 37
Registering your computer . . . . . . . . . .
Accessibility and comfort . . . . . . . . . .
Arranging your workspace . . . . . . . .
Comfort . . . . . . . . . . . . . . .
Glare and lighting . . . . . . . . . . . .
Air circulation . . . . . . . . . . . . .
Electrical outlets and cable lengths . . . . .
Accessibility information . . . . . . . . .
region . . . . . . . . . . . . . . . . . .
Chapter 5. Security . . . . . . . . . . 43
Chapter 6. Preventing problems . . . 45
Basics . . . . . . . . . . . . . . . . . .
Cleaning your computer . . . . . . . . . . .
© Copyright Lenovo 2015
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Computer . . . . . . . . . . . . . . .
Display screen . . . . . . . . . . . . .
Moving your computer . . . . . . . . . . .
1
diagnostics . . . . . . . . . . . . . . 47
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Basic troubleshooting . . . . . . . . . . . .
4
Troubleshooting procedure . . . . . . . . . .
4
Troubleshooting . . . . . . . . . . . . . .
Audio problems . . . . . . . . . . . .
4
Intermittent problems . . . . . . . . . .
5
Monitor problems. . . . . . . . . . . .
5
Networking problems . . . . . . . . . .
Software problems . . . . . . . . . . .
symptom-to-FRU index . . . . . . . . 53
Service checkout. . . . . . . . . . . . . .
Problem determination tips . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
Power supply problems . . . . . . . . .
Miscellaneous error conditions . . . . . .
Undetermined problems . . . . . . . . .
Overview of the USB recovery shim . . . . . .
hardware . . . . . . . . . . . . . . . 61
Handling static-sensitive devices . . . . . . .
Installing or replacing hardware . . . . . . . .
Replacing the ac power adapter . . . . . .
Removing the front cover. . . . . . . . .
Replacing the system fan. . . . . . . . .
Replacing a memory module . . . . . . .
Replacing the system board frame . . . . .
Replacing the power button board . . . . .
Replacing the coin-cell battery . . . . . .
Replacing the M.2 storage drive . . . . . .
Replacing the M.2 Wi-Fi antennas . . . . .
Replacing the system board . . . . . . .
Completing the parts replacement . . . . .
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Table of Contents
Troubleshooting
