HP EliteBook 840 G3 User Manual

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Appendix B Troubleshooting ........................................................................................................................... 85

Troubleshooting resources .................................................................................................................................. 85
Resolving issues .................................................................................................................................................. 85

The computer is unable to start up ................................................................................................... 85
The computer screen is blank ........................................................................................................... 85
Software is functioning abnormally ................................................................................................. 86
The computer is on but not responding ............................................................................................ 86
The computer is unusually warm ...................................................................................................... 86
An external device is not working ..................................................................................................... 86
The wireless network connection is not working ............................................................................. 87
A movie is not visible on an external display .................................................................................... 87

Appendix C Electrostatic discharge .................................................................................................................. 88

Index ............................................................................................................................................................. 89

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