
• Go to the Lenovo support website at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Table 10. Microprocessor's symptoms and actions
Symptom
Action
When using the Core-I3 or
Pentium microprocessor and
the Integrated Graphics Device
(IGD) has been enabled in the
Setup utility, the video
controller can display a yellow
color exclamation mark under
the Windows OS device
manager.
1. Run the Setup utility and select
System settings
➙
Device and I/O Ports
➙
Internal Graphics
.
2. Set the value to
Disable
.
Monitor and video problems
Use this information to solve monitor and video problems.
Some Lenovo monitors have their own self-tests. If you suspect a problem with your monitor, see the
documentation that comes with the monitor for instructions for testing and adjusting the monitor. If you
cannot diagnose the problem, call for service.
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