Diagnostic programs, Lenovo solution center – Lenovo 5248 User Manual
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Symptom
Action
The wireless keyboard or mouse
does not work.
Verify that:
• The computer is turned on.
• The battery or batteries installed in the wireless keyboard or mouse are in good
condition.
• The wireless configurations are all set correctly. You might need to refer to
the documentation that come with the wireless keyboard or mouse, or refer
to your Windows Help and Support information system for wireless related
instructions. If your wireless mouse has a dongle, make sure the dongle is
correctly connected to one of the USB connectors on the computer.
• For the wireless keyboard, no keys are stuck.
• The wireless mouse is clean.
The operating system does not
start.
Verify that you list the device where the operating system resides in the startup
device sequence. Usually, the operating system is on the hard disk drive. For more
information, see “Selecting a startup device” on page 63.
The computer beeps multiple
times before the operating
system starts.
Verify that no keys are stuck.
Diagnostic programs
Diagnostic programs are used to test hardware components of your computer. Diagnostic programs can
also report operating-system-controlled settings that interfere with the correct operation of your system.
Depending on the preinstalled operating system and the date when your computer was manufactured,
Lenovo provides one of the following diagnostic solutions:
• Lenovo Solution Center (used when the Windows operating system is running normally)
• Lenovo ThinkVantage Toolbox (used when the Windows operating system is running normally)
• PC-Doctor for Rescue and Recovery (used when you cannot start the Windows operating system)
Notes:
1. You can also download the PC-Doctor for DOS diagnostic program from
See “PC-Doctor for DOS” on page 71 for detailed information.
2. If you are unable to isolate and repair the problem yourself after running the programs, save and print
the log files created by the programs. You will need the log files when you speak to a Lenovo technical
support representative.
Lenovo Solution Center
The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It
combines diagnostic tests, system information collection, security status, and support information, along
with hints and tips for maximum system performance.
Notes:
• The Lenovo Solution Center program is available only on models preinstalled with the Windows 7
operating system. If your Windows 7 model is not preinstalled with the program, you can download it
from
• If you are using the Windows Vista or Windows XP operating system, go to
for the latest information on diagnostics for your
computer.
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ThinkCentre User Guide