3 advanced troubleshooting – Dell Dimension 2350 User Manual
Page 5

Contents
5
Keyboard Problems
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43
Mouse Problems
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44
Network Problems
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45
Power Problems
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45
Printer Problems
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46
Scanner Problems
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47
Sound and Speaker Problems
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48
No sound from speakers
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48
No sound from headphones
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49
Video and Monitor Problems
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50
If the screen is blank
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50
If the screen is difficult to read
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51
3 Advanced Troubleshooting
Diagnostic Lights
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54
Dell Diagnostics
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56
When to Use the Dell Diagnostics
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56
Starting the Dell Diagnostics
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56
Drivers
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59
What Is a Driver?
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59
Identifying Drivers
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59
Reinstalling Drivers
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60
Using System Restore
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61
Creating a Restore Point
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61
Restoring the Computer to an Earlier Operating State
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61
Undoing the Last System Restore
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62
Resolving Software and Hardware Incompatibilities
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63