Lenovo IdeaPad U455 Bedienungsanleitung PDF herunterladen (Seite 75)

Chapter 6. Upgrading and replacing devices

If two SDRAMs are already installed in the memory slot, remove one

of them to make room for the new one by pressing out on the latches

on both edges of the socket at the same time. Be sure to save the old

SDRAM for future use.

Insert the notched end of the DIMM into the socket.

Press the DIMM firmly, and pivot it until it snaps into place. Make sure

that it is firmly fixed in the slot and does not move easily.

After aligning the attachment clips with their matching gaps, reinstall

the compartment cover.

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IdeaPad U455 1
Contents 7
Important safety information 9
First use 22
 Turning on the computer 23
 Shutting down your computer 24
 Checking battery status 25
 Charging the battery 25
 Removing the battery pack 26
 Handling the battery 27
Touchpad 28
Left click button 28
Right click button 28
 Gestures 29
Three-Finger Flick 30
 Numeric keypad 31
 Function key combinations 32
 Inserting a memory card 35
 Removing a memory card 35
Volume buttons ( ~ ) 40
 Using VeriFace™ 43
 Using passwords 43
 Fingerprint reader 44
Chapter 3. Using the Internet 45
 Hardware connection: 46
 Software configuration 46
Enabling wireless connection 48
Hardware connection 48
Software configuration 48
Inserting the SIM card 50
Removing the SIM card 51
 Introduction 53
Recovery 54
Chapter 5. Troubleshooting 56
Display problems 59
Problems with GPU switching 60
A Password problem 61
Keyboard problems 61
Sleep or hibernation problems 61
Computer screen problems 63
Sound problems 63
Battery problems 64
A hard disk drive problem 64
A startup problem 64
OneKey Rescue system problems 65
Other problems 65
Reinstall the battery pack 72
 For outdoor use 86
 Data safety 87
 Other important tips 87
 Ergonomic information 89
 What if you are traveling? 90
 Questions about vision? 90
 What this warranty covers 96
 Use of personal information 100
 Limitation of liability 102
 Dispute resolution 103
 Other rights 104
 Lenovo Turkey address 105
 Types of warranty service 107
2 On-site Service 108
3 Courier or Depot Service 108
5 Product Exchange Service 109
Appendix E. Notices 112
 Wireless interoperability 117
 Korea Class B 127
 General recycling statement 128
Computers 131
Form Factor 134
I/O Ports 135
7. If you are using 141

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