Dell Inspiron 14R (N4010, Early 2010) - Manual (Page 271)

Troubleshooting
271
Troubleshooting
NOTE:
The procedures in this document were written for the Windows default
view, and may not apply if you set your Dell computer to the Windows Classic view.
HINT: Save time by following these basic tips when troubleshooting
your computer.
1 If you added or removed a part before the problem started,
review the installation procedures and ensure that the part is
correctly installed.
2 If a peripheral device does not work, ensure that the device is
properly connected.
3 If an error message appears on the screen, write down the exact
message. This message may help support personnel diagnose
and fix the problem(s).
4 If an error message occurs in a program, see the program’s
documentation.