Lenovo ThinkPad i Series 1157 ThinkPad 570 User's Reference - Page 203

Port replicator problems, MIDI/Joystick Port

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Troubleshooting charts Problem The computer is disconnected from the network when it attempts to access using a PC Card on battery operation. Cause and action Your computer limits the processor speed on battery operation to save battery life; however, some network cards do not allow processor control. Do as follows: 1. Click Start. 2. Move the cursor to Settings; then click Control Panel. 3. Double-click the ThinkPad Configuration icon. 4. Click Power Management. The "Power Management Properties" window appears. 5. Click the Power Mode tab. 6. Make sure Battery is selected in the Power Source list box. If it is not, select Battery. 7. Click the Customized radio button. 8. Select Maximize in the Processor speed list box under Setting details. 9. Click OK to apply the changes. Port replicator problems Problem The MIDI connector on the port replicator does not work. The computer hangs when you power on or resume operation. Cause and action To enable the MIDI connector of the port replicator, use the ThinkPad Configuration program. Make sure that the MIDI connector is enabled by doing the following: 1. Start the ThinkPad Configuration program. 2. Click MIDI/Joystick Port. 3. Confirm that the MIDI connector is enabled. If not, click Enable; then click OK. 4. Close the ThinkPad Configuration program and restart the computer. Note: When you restart the computer, you might need to install the MIDI driver. Follow the instructions on the screen and install the device driver for your computer's operating system. Make sure that: The AC Adapter is connected to the port replicator or docking station by following the instructions described in this book. The power-on indicator of the port replicator or docking station is on. The computer is securely attached to the port replicator, or the computer and the port replicator are securely attached to the docking station. If there is still a problem, refer to the manuals shipped with the port replicator and docking station. Chapter 4. Solving computer problems 187

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Troubleshooting charts
Problem
Cause and action
The computer is
disconnected from the
network when it attempts
to access using a PC
Card on battery operation.
Your computer limits the processor speed on battery operation to save battery
life; however, some network cards do not allow processor control.
Do as
follows:
1. Click
Start
.
2. Move the cursor to
Settings
; then click
Control Panel
.
3. Double-click the
ThinkPad Configuration
icon.
4. Click
Power Management
.
The “Power Management Properties” window appears.
5. Click the
Power Mode
tab.
6. Make sure
Battery
is selected in the
Power Source
list box.
If it is not,
select
Battery
.
7. Click the
Customized
radio button.
8. Select
Maximize
in the
Processor speed
list box under
Setting details
.
9. Click
OK
to apply the changes.
Port replicator problems
Problem
Cause and action
The MIDI connector on
the port replicator does
not work.
To enable the MIDI connector of the port replicator, use the ThinkPad
Configuration program.
Make sure that the MIDI connector is enabled by doing
the following:
1. Start the ThinkPad Configuration program.
2. Click
MIDI/Joystick Port
.
3. Confirm that the MIDI connector is enabled.
If not, click
Enable
; then click
OK
.
4. Close the ThinkPad Configuration program and restart the computer.
Note:
When you restart the computer, you might need to install the MIDI driver.
Follow the instructions on the screen and install the device driver for
your computer's operating system.
The computer hangs
when you power on or
resume operation.
Make sure that:
The AC Adapter is connected to the port replicator or docking station by
following the instructions described in this book.
The power-on indicator of the port replicator or docking station is on.
The computer is securely attached to the port replicator, or the computer
and the port replicator are securely attached to the docking station.
If there is still a problem, refer to the manuals shipped with the port replicator
and docking station.
Chapter 4.
Solving computer problems
187