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During operation
1.
To wake the computer:
a.
Press the power button or any key on the keyboard.
b.
If the system remains in the Sleep (Windows), Suspend (Linux), or Hibernate state, shut down the
system by pressing and holding the power button for at least four seconds.
c.
If the system does not shut down, unplug the power cord, wait a few seconds, and then plug it in
again. Then press the power button again to restart the system. If it does not turn on, press the
power button to start the computer.
2.
Look for blinking lights on the computer. The blinking lights could be error codes that will help diagnose the
problem.
3.
Check all cables for loose or incorrect connections (external devices, power cords, dock, etc.).
4.
After installing a non-Plug and Play expansion board or other option, reconfigure the computer. For
example, if you upgrade to a solid-state drive, you may need to reconfigure the boot order.
5.
Be sure that all required device drivers have been installed. For example, if you have connected a printer,
you must install a printer driver.
6.
If there is a network connection issue, plug another computer with a different cable into the network
connection. There might be a problem with the network plug or cable.
7.
If hardware has recently been installed, remove it and determine whether the computer functions properly.
8.
If software has recently been installed, uninstall it and determine whether the computer functions
properly.
9.
If the screen is blank, confirm the display choice by pressing
only. Or plug an external monitor into a different video port on the computer if one is available and close
the computer lid.
10.
Verify that the latest version of BIOS, drivers, and software are installed. A new release might support new
features or fix the problem.
11.
Press the
keyboard is likely operating correctly.
12.
Press the TouchPad On/Off button light. If the light toggles on or off, the TouchPad is likely operating
correctly.
Consulting with HP Service
If further HP support is required, a lot of the following information may be requested when you call, so it may be
helpful to take notes.
Technical support registration number (if applicable)
●
●
Product serial number
●
Product model name and number
Product identification number
●
Applicable error messages
●
Add-on boards or hardware
●
76
Chapter 6 Troubleshooting guide
caps lock
and/or
num lock
Windows logo
key. If the
caps lock
and/or
+
P
and set to screen
num lock
light toggles on or off, the
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Table of Contents
Troubleshooting
