Lenovo 8922A2U Hardware Maintenance Manual - Page 33

Detecting, system, information, PC-Doctor, Power, checkout

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Checkout guide Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info v Hardware Events Log Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the ac adapter. 4. Check that power is supplied when you turn on the computer. 5. Turn off the computer. 6. Disconnect the ac adapter and install the charged battery pack. 7. Check that the battery pack supplies power when you turn on the computer. If you suspect a power problem, see the appropriate one of the following power supply checkouts: v "Checking the ac adapter" v "Checking operational charging" on page 28 v "Checking the battery pack" on page 28 Checking the ac adapter You are here because the computer fails only when the ac adapter is used. v If the power-on indicator does not turn on, check the power cord of the ac adapter for correct continuity and installation. v If the computer does not charge during operation, go to ″Checking operational charging.″ To check the ac adapter, do the following: 1. Unplug the ac adapter cable from the computer. 2. Measure the output voltage at the plug of the ac adapter cable. See the following figure: General descriptions 27

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Detecting
system
information
with
PC-Doctor
PC-Doctor
can
detect
the
following
system
information:
Hardware
Info
v
System
Configuration
v
Memory
Contents
v
Physical
Disk
Drives
v
Logical
Disk
Drives
v
VGA
Information
v
IDE
Drive
Info
v
PCI
Information
v
PNPISA
Info
v
SMBIOS
Info
v
VESA
LCD
Info
v
Hardware
Events
Log
Utility
v
Run
External
Tests
v
Surface
Scan
Hard
Disk
v
Benchmark
System
v
DOS
Shell
v
Tech
Support
Form
v
Battery
Rundown
v
View
Test
Log
v
Print
Log
v
Save
Log
v
Full
Erase
Hard
Drive
v
Quick
Erase
Hard
Drive
Power
system
checkout
To
verify
a
symptom,
do
the
following:
1.
Turn
off
the
computer.
2.
Remove
the
battery
pack.
3.
Connect
the
ac
adapter.
4.
Check
that
power
is
supplied
when
you
turn
on
the
computer.
5.
Turn
off
the
computer.
6.
Disconnect
the
ac
adapter
and
install
the
charged
battery
pack.
7.
Check
that
the
battery
pack
supplies
power
when
you
turn
on
the
computer.
If
you
suspect
a
power
problem,
see
the
appropriate
one
of
the
following
power
supply
checkouts:
v
“Checking
the
ac
adapter”
v
“Checking
operational
charging”
on
page
28
v
“Checking
the
battery
pack”
on
page
28
Checking
the
ac
adapter
You
are
here
because
the
computer
fails
only
when
the
ac
adapter
is
used.
v
If
the
power-on
indicator
does
not
turn
on,
check
the
power
cord
of
the
ac
adapter
for
correct
continuity
and
installation.
v
If
the
computer
does
not
charge
during
operation,
go
to
″
Checking
operational
charging.
″
To
check
the
ac
adapter,
do
the
following:
1.
Unplug
the
ac
adapter
cable
from
the
computer.
2.
Measure
the
output
voltage
at
the
plug
of
the
ac
adapter
cable.
See
the
following
figure:
Checkout
guide
General
descriptions
27