Diagnostics And Troubleshooting; Leds; Wake-On Lan - HP mt245 Maintenance And Service Manual

8

Diagnostics and Troubleshooting

LEDs

LED
Power LED Off
Power LED On
NOTE: RJ-45 LEDs – Blinking green indicates network activity, and amber indicates a 100MB speed connection.
IDE LED is Off
IDE LED blinks white

Wake-on LAN

Wake-on LAN (WOL) allows a computer to be turned on or resumed from sleep or hibernation state by a
network message. You can enable or disable WOL in Computer Setup using the S5 Maximum Power Savings
setting.
To enable or disable WOL:
1. Turn on or restart the computer.
2. Press either
bottom of the screen.
NOTE:
press Esc
3. If you pressed Esc, press
4. Navigate to Advanced > Built-in Device Options.
5. Under Wake-on LAN, select the appropriate WOL setting.
6. Press F10
7. Select Main > Save Changes and Exit.
Status
When the unit is plugged into the wall socket and the Power LED is off, the unit is powered off.
However, the network can trigger a Wake On LAN event in order to perform management functions.
Displays during boot sequence and while the unit is on. During boot sequence, hardware initialization is
processed and startup tests are performed on the following:
●
Processor initialization
●
Memory detection and initialization
●
Video detection and initialization
NOTE: If one of the tests fails, the unit will simply stop, but the LED will stay on. If the video test fails,
the unit beeps. There are no messages sent to video for any of these failed tests.
NOTE: After the video is initialized, anything that fails will have an error message.
When the unit is powered on and the flash activity light is off, then there is no access to the system
flash.
Indicates the system is accessing the internal IDE flash.
Esc or F10 while the "Press the ESC key for Startup Menu" message is displayed at the
If you do not press Esc or
or F10 when the monitor light turns green to access the utility.
F10 to enter Computer Setup.
to accept any changes.
F10 at the appropriate time, you must restart the computer and again
LEDs 65