HP Z240 Maintenance and Service Guide - Page 84

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device, POST error messages and diagnostic

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a. Connected USB drive NOTE: To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 74. b. Hard drive c. BIOS 3. When the diagnostic tool opens, select the type of diagnostic test you want to run, and then follow the on-screen instructions. NOTE: If you need to stop a diagnostic test, press esc. Downloading HP PC Hardware Diagnostics (UEFI) to a USB device NOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English only, and you must use a Windows computer to download and create the HP UEFI support environment because only .exe files are offered. There are two options to download HP PC Hardward Diagnostics to USB device. Download the latest UEFI version 1. Go to http://www.hp.com/go/techcenter/pcdiags. The HP PC Diagnostics home page is displayed. 2. In the HP PC Hardware Diagnostics section, click the Dowload link, and then select Run. Download any version of UEFI for a specific product 1. Go to http://www.hp.com/support, and then select your country. The HP Support page is displayed. . 2. Click Drivers & Downloads. 3. Use the categories listed to find your product. - or - Click Find Now to let HP automatically detect your product. 4. Select your computer, and then select your operating system. 5. In the Diagnostic section, follow the on-screen instructions to select and download the UEFI version you want. POST error messages and diagnostic front panel LEDs and audible codes This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and nonerror text messages. If a POST error occurs, the screen will display the error message. To manually switch to the POST Messages Enabled mode during POST, press any key (except F10, F11, or F12). The default mode is POST Message Disabled. The speed at which the computer loads the operating system and the extent to which it is tested are determined by the POST mode selection. 74 Chapter 4 Diagnostics and troubleshooting

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a.
Connected USB drive
NOTE:
To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see
Downloading
HP PC Hardware Diagnostics (UEFI) to a USB device
on page
74
.
b.
Hard drive
c.
BIOS
3.
When the diagnostic tool opens, select the type of diagnostic test you want to run, and then follow the
on-screen instructions.
NOTE:
If you need to stop a diagnostic test, press
esc
.
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device
NOTE:
The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English only, and you
must use a Windows computer to download and create the HP UEFI support environment because only .exe
files are offered.
There are two options to download HP PC Hardward Diagnostics to USB device.
Download the latest UEFI version
1.
Go to
go/techcenter/pcdiags
. The HP PC Diagnostics home page is displayed.
2.
In the HP PC Hardware Diagnostics section, click the
Dowload
link, and then select
Run
.
Download any version of UEFI for a specific product
1.
Go to
support
, and then select your country. The HP Support page is displayed. .
2.
Click
Drivers & Downloads
.
3.
Use the categories listed to find your product.
– or –
Click
Find Now
to let HP automatically detect your product.
4.
Select your computer, and then select your operating system.
5.
In the
Diagnostic
section, follow the on-screen instructions to select and download the UEFI version you
want.
POST error messages and diagnostic front panel LEDs and
audible codes
This appendix lists the error codes, error messages, and the various indicator light and audible sequences
that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the
problem, and steps you can take to resolve the error condition.
POST Message Disabled suppresses most system messages during POST, such as memory count and non-
error text messages. If a POST error occurs, the screen will display the error message. To manually switch to
the POST Messages Enabled mode during POST, press any key (except
F10
,
F11
, or
F12
). The default mode is
POST Message Disabled.
The speed at which the computer loads the operating system and the extent to which it is tested are
determined by the POST mode selection.
74
Chapter 4
Diagnostics and troubleshooting