Lenovo H520g Desktop- User Manual

Lenovo H520g Desktop

Lenovo H520g Desktop– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

1 Page 1
2 Page 2
3 Page 3
4 Page 4
5 Page 5
6 Page 6
7 Page 7
8 Page 8
9 Page 9
10 Page 10
11 Page 11
12 Page 12
13 Page 13
14 Page 14
15 Page 15
16 Page 16
17 Page 17
18 Page 18
19 Page 19
20 Page 20
21 Page 21
22 Page 22
23 Page 23
24 Page 24
25 Page 25
26 Page 26
27 Page 27
28 Page 28
29 Page 29
30 Page 30
31 Page 31
32 Page 32
33 Page 33
34 Page 34
35 Page 35
36 Page 36
37 Page 37
38 Page 38
39 Page 39
40 Page 40
41 Page 41
42 Page 42
43 Page 43
44 Page 44
45 Page 45
46 Page 46
47 Page 47
48 Page 48
49 Page 49
50 Page 50
51 Page 51
52 Page 52
53 Page 53
54 Page 54
55 Page 55
56 Page 56
57 Page 57
58 Page 58
59 Page 59
60 Page 60
61 Page 61
62 Page 62
63 Page 63
64 Page 64
65 Page 65
66 Page 66
67 Page 67
68 Page 68
69 Page 69
70 Page 70
71 Page 71
72 Page 72
73 Page 73
74 Page 74
75 Page 75
76 Page 76
77 Page 77
78 Page 78
79 Page 79
80 Page 80
81 Page 81
82 Page 82
83 Page 83
84 Page 84
85 Page 85
86 Page 86
87 Page 87
88 Page 88
89 Page 89
90 Page 90
91 Page 91
92 Page 92
93 Page 93
94 Page 94
95 Page 95
96 Page 96
97 Page 97
98 Page 98
99 Page 99
100 Page 100
101 Page 101
102 Page 102
103 Page 103
104 Page 104
105 Page 105
106 Page 106
107 Page 107
108 Page 108
109 Page 109
110 Page 110
111 Page 111
112 Page 112
Page: / 112

Table of Contents:

  • Page 2 – “Safety information” on page 3 and Appendix A “Notices” on page 103.
  • Page 3 – Contents
  • Page 4 – ii
  • Page 5 – Chapter 1. About this manual; computers listed on the front cover.; Important safety information
  • Page 7 – Chapter 2. Safety information; General safety; that you think are too heavy for you.; Electrical safety
  • Page 9 – Consider these conditions and the safety hazards they present:
  • Page 11 – • Throw or immerse into water
  • Page 14 – PERIGO
  • Page 16 – pode resultar em exposição prejudicial à radiação.; Utilize procedimentos de segurança para levantar equipamentos.
  • Page 20 – DANGER; Pour éviter tout risque de choc électrique :; l'exposer à des températures supérieures à 100°C,
  • Page 22 – • mit Wasser in Berührung bringen.
  • Page 23 – VORSICHT
  • Page 26 – Gettare o immergere la batteria nell'acqua
  • Page 30 – Arrojarla al agua o sumergirla en ella
  • Page 31 – Adopte procedimientos seguros al levantar el equipo.
  • Page 33 – Chapter 3. General information; Specifications
  • Page 34 – Lenovo Support Web site
  • Page 35 – Chapter 4. General checkout; Attention; did not; Problem determination tips
  • Page 37 – Chapter 5. Troubleshooting and diagnostics; Basic troubleshooting; telephone numbers, refer to the
  • Page 38 – Accessing Control Panel on the Windows 8 operating system
  • Page 40 – No audio in Windows; On; Sound comes from one external speaker only
  • Page 41 – CD problems; Select your symptom from the following list:; A CD or DVD does not work; • Verify that the disc is inserted correctly, with its label up.
  • Page 42 – DVD problems; Black screen instead of DVD video
  • Page 43 – Invalid disc or no disc found message; Intermittent problems
  • Page 44 – Keyboard, mouse, or pointing device problems; All or some keys on the keyboard do not work
  • Page 46 – Monitor problems; Wrong characters appear on the screen
  • Page 47 – The image is discolored; Networking problems; Ethernet problems
  • Page 49 – The Wake on LAN feature is not working; A wireless LAN problem; Show hidden icons; A wireless WAN problem
  • Page 50 – Bluetooth problems; Option problems; An option that was just installed does not work
  • Page 51 – An option that previously worked does not work now; Performance and lockup problems; Insufficient free hard disk drive space
  • Page 52 – Excessive number of fragmented files
  • Page 53 – Insufficient memory; Symptom: Insufficient memory; Printer problems; The printer is turned on and is online.; Serial port problems
  • Page 54 – Software problems; When using a sort feature, dates do not sort in the correct order
  • Page 55 – USB problems; Symptom: The USB connectors cannot be accessed.; Diagnostics
  • Page 57 – Chapter 6. Using the Setup Utility program; Starting the Setup Utility program; Save Changes and Exit; Viewing and changing settings
  • Page 58 – Security
  • Page 59 – Devices; Selecting a startup device
  • Page 61 – Exiting the Setup Utility program
  • Page 63 – Hard disk drive boot error; Power supply problems; If you suspect a power problem, use the following procedures.; Beep symptoms
  • Page 64 – POST error codes; POST
  • Page 66 – Miscellaneous error messages
  • Page 67 – Undetermined problems; If you encounter undetermined problems, do the following:
  • Page 69 – Locations
  • Page 70 – Locating connectors on the rear of your computer; Locating major FRUs and CRUs
  • Page 72 – Locating parts on the system board
  • Page 73 – Locating internal drives
  • Page 75 – Chapter 9. Replacing FRUs; Handling static-sensitive devices; • Do not place the part on the computer cover or other metal surface.; Installing or replacing hardware; Use only computer parts provided by Lenovo.
  • Page 76 – Removing the computer cover; To remove the computer cover, do the following:
  • Page 77 – Removing and reinstalling the front bezel; To remove and reinstall the front bezel, do the following:
  • Page 78 – Installing or replacing a PCI card; To install or replace a PCI card, do the following:
  • Page 81 – Reinstall the screw to secure the PCI card latch in place.; Replacing the battery; Refer to the “Lithium battery notice” in the
  • Page 82 – might be displayed. This is normal after replacing the battery.; Installing or replacing a memory module; To install or replace a memory module, do the following:
  • Page 83 – module out of the memory slot.; want to install the memory module.
  • Page 84 – Replacing the optical drive
  • Page 86 – Replacing the heat sink and fan assembly; To replace the heat sink and fan assembly, do the following:
  • Page 88 – Replacing the power supply assembly; To replace the power supply assembly, do the following:
  • Page 89 – Replacing the microprocessor; To replace the microprocessor, do the following:
  • Page 91 – microprocessor in the socket.
  • Page 92 – Replacing the system board; To replace the system board, do the following:
  • Page 93 – Remove the six screws that secure the system board.; system board in place.
  • Page 94 – Replacing the primary hard disk drive; To replace the primary hard disk drive, do the following:
  • Page 96 – Replacing the front audio and USB assembly; To replace the front audio and USB assembly, do the following:
  • Page 97 – the bracket from the chassis.; with the corresponding hole in the chassis.; Completing the parts replacement
  • Page 98 – If there is an integrated cable lock available, lock the computer.
  • Page 99 – Chapter 10. FRU lists
  • Page 103 – Chapter 11. Additional service information; Security features in this section include the following:
  • Page 105 – Updating (flashing) the BIOS from your operating system; the screen after the download begins.; Recovering from a POST and BIOS update failure; “Completing the parts replacement” on page 93.
  • Page 106 – Turn on the computer to restart the operating system.; Power management; automatically. This can be either a single event or a daily event.
  • Page 109 – Index
Loading the manual

Lenovo H520g
Hardware Maintenance Manual

i

d

e

a

i

d

e

a

i

d

e

a

C

e ntre i

d

e

a

Machine Types:

90A3

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 2 - “Safety information” on page 3 and Appendix A “Notices” on page 103.

Note: Before using this information and the product it supports, be sure to read and understand Chapter 2 “Safety information” on page 3 and Appendix A “Notices” on page 103. First Edition (January 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered ...

Page 3 - Contents

Contents Chapter 1. About this manual . . . . . . 1 Important safety information . . . . . . . . . . 1 Chapter 2. Safety information . . . . . . 3 General safety . . . . . . . . . . . . . . . . 3 Electrical safety . . . . . . . . . . . . . . . 3 Voltage-selection switch . . . . . . . . . . . . 5 Saf...

Page 4 - ii

Replacing the microprocessor . . . . . . . 85 Replacing the system board . . . . . . . 88 Replacing the primary hard disk drive . . . . 90 Replacing the front audio and USBassembly . . . . . . . . . . . . . . . 92 Completing the parts replacement . . . . . 93 Chapter 10. FRU lists . . . . . . . . . ...

Other Lenovo Models