Lenovo ThinkStation 2551 Hardware Maintenance Manual page 183

pointer on the screen does not move smoothly with
the mouse 43
wireless keyboard does not work
L
Lenovo Solution Center 53
locating components 81
looking up part numbers 71
M
memory module, replacing, desktop computers
memory module, replacing, tower computers
Microphone connector 73, 81
microprocessor
replacing 114
microprocessor, replacing, desktop computers
monitor problems, troubleshooting
description 44
image is discolored 45
image is flickering 45
screen goes blank after a period of inactivity
screen goes blank when starting some programs
wrong characters appear on the screen
mouse connector 73, 81
N
networking problems, troubleshooting
description 45
wireless LAN problem 47
wireless WAN problem 48
notices
European conformance CE mark
general information 173
television output 174
trademarks 174
O
operating system password
optical drive, replacing, desktop computers
optical drive, replacing, tower computers
option problems, troubleshooting
an option that previously worked does not work now
an option that was just installed does not work
description 48
Optional-service CRUs 81
optional-service FRUs, tower computers
P
part numbers 71
part numbers, tower computers
parts replacement, completing, desktop computers
parts replacement, completing, tower computers
passwords
Administrator 56
changing 56
© Copyright Lenovo 2012
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150
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169
139
95
49
48
73
75, 83
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120
considerations 56
deleting 56
description 55
hard disk 56
hardware-controlled 169
lost or forgotten, erasing
operating system 169
power-on 56
setting 56
PCI card, removing, desktop computers
PCI card, removing, tower computers
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
power supply assembly , replacing, desktop computers
power supply assembly, replacing, tower computers
power supply problems 65
power switch, replacing 163
power-on password 56
primary hard disk drive, replacing, tower computers
printer problems, troubleshooting
problem determination tips
R
RAID volumes
creating using RSTe configuration utility
deleting using RSTe configuration utility
RAID, configuring
description 61
with Intel RSTe
description 61
entering Intel RSTe 62
hard disk drives, resetting to non-RAID
installing SATA hard disk drives
RAID volumes, creating
RAID volumes, deleting
rear fan assembly, replacing, tower computers
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
general 3
grounding requirements
57
127
90
172
145
113
106
51
33
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63
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63
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