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pointer on the screen does not move smoothly with
the mouse
43
wireless keyboard does not work
43
L
Lenovo Solution Center
53
locating components
81
looking up part numbers
71
M
memory module, replacing, desktop computers
125
memory module, replacing, tower computers
93
Microphone connector
73, 81
microprocessor
replacing
114
microprocessor, replacing, desktop computers
150
monitor problems, troubleshooting
description
44
image is discolored
45
image is flickering
45
screen goes blank after a period of inactivity
44
screen goes blank when starting some programs
44
wrong characters appear on the screen
44
mouse connector
73, 81
N
networking problems, troubleshooting
description
45
wireless LAN problem
47
wireless WAN problem
48
notices
European conformance CE mark
174
general information
173
television output
174
trademarks
174
O
operating system password
169
optical drive, replacing, desktop computers
139
optical drive, replacing, tower computers
95
option problems, troubleshooting
an option that previously worked does not work now
49
an option that was just installed does not work
48
description
48
Optional-service CRUs
81
optional-service FRUs, tower computers
73
P
part numbers
71
part numbers, tower computers
75, 83
parts replacement, completing, desktop computers
167
parts replacement, completing, tower computers
120
passwords
Administrator
56
changing
56
considerations
56
deleting
56
description
55
hard disk
56
hardware-controlled
169
lost or forgotten, erasing
57
operating system
169
power-on
56
setting
56
PCI card, removing, desktop computers
127
PCI card, removing, tower computers
90
performance and lockup problems, troubleshooting
description
49
insufficient memory
51
physical specifications
desktop computers
30
tower computers
29
POST/BIOS update failure, recovering from
updating from a disc
171
power management
automatic configuration and power interface
172
power supply assembly , replacing, desktop computers
145
power supply assembly, replacing, tower computers
113
power supply problems
65
power switch, replacing
163
power-on password
56
primary hard disk drive, replacing, tower computers
106
printer problems, troubleshooting
51
problem determination tips
33
R
RAID volumes
creating using RSTe configuration utility
62
deleting using RSTe configuration utility
63
RAID, configuring
description
61
with Intel RSTe
description
61
entering Intel RSTe
62
hard disk drives, resetting to non-RAID
63
installing SATA hard disk drives
61
RAID volumes, creating
62
RAID volumes, deleting
63
rear fan assembly, replacing, tower computers
102
recovery
boot-block
171
replacing
card reader
129
hard disk drive
137
microprocessor
114
system board
117
S
safety information
electrical
3
electrostatis discharge-sensitive devices
6
general
3
grounding requirements
6
© Copyright Lenovo 2012
177
Summary of Contents for ThinkStation 2551
Page 2: ......
Page 8: ...2 ThinkStation Hardware Maintenance Manual ...
Page 15: ...1 2 Chapter 2 Safety information 9 ...
Page 16: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 10 ThinkStation Hardware Maintenance Manual ...
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Page 20: ...1 2 14 ThinkStation Hardware Maintenance Manual ...
Page 21: ...Chapter 2 Safety information 15 ...
Page 27: ...Chapter 2 Safety information 21 ...
Page 31: ...Chapter 2 Safety information 25 ...
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