HP ProDesk 600 G4 Micro Maintenance and Service Guide - Page 81

Solving display problems, If you encounter display problems

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Do not know how to remove a media card correctly. Cause The computer's software is used to safely eject the card. Solution Type file in the taskbar search box, and then select File Explorer from the list of applications. In the left column, expand This PC, right-click on the corresponding drive icon, and then select Eject. Pull the card out of the slot. NOTE: Never remove the card when the green LED is flashing After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if the reader was just installed into the computer and you are turning the PC on for the first time. Wait a few seconds so that the operating system can recognize the reader and the available ports, and then recognize the media inserted in the reader. After inserting a media card in the reader, the computer attempts to boot from the media card. Cause Solution The inserted media card has boot capability. 1. If you do not want to boot from the media card, remove it during boot or do not select the option to boot from the inserted media card during the boot process. 2. During POST (Power On Self-Test), press F9 to modify the boot menu. 3. Change the boot sequence in F10 Computer Setup. Solving display problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Blank screen (no video). Cause Monitor is not turned on and the monitor light is not on. Bad monitor. The cable connections are not correct. You may have a screen blanking utility installed or energy saver features are enabled. System ROM is corrupted; system is running in Boot Block Emergency Recovery Mode (indicated by eight beeps). You are using a fixed-sync monitor and it will not sync at the resolution chosen. Computer is in Sleep state. Solution Turn on the monitor and check that the monitor light is on. Try a different monitor. Check the cable connection from the monitor to the computer and to the electrical outlet. Press any key or click the mouse button and type your password (if set). Reflash the system ROM with the latest BIOS image. Be sure that the monitor can accept the same horizontal scan rate as the resolution chosen. Press the power button to resume from Sleep state. Solving display problems 73

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Do not know how to remove a media card correctly.
Cause
Solution
The computer’s software is used to safely eject the card.
Type
file
in the taskbar search box, and then select
File Explorer
from the list of applications. In the left column, expand
This PC
,
right-click on the corresponding drive icon, and then select
Eject
.
Pull the card out of the slot.
NOTE:
Never remove the card when the green LED is flashing
After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer.
Cause
Solution
The operating system needs time to recognize the device if
the reader was just installed into the computer and you are turning
the PC on for the first time.
Wait a few seconds so that the operating system can recognize
the reader and the available ports, and then recognize the media
inserted in the reader.
After inserting a media card in the reader, the computer attempts to boot from the media card.
Cause
Solution
The inserted media card has boot capability.
1.
If you do not want to boot from the media card, remove it
during boot or do not select the option to boot from
the inserted media card during the boot process.
2.
During POST (Power On Self-Test), press
F9
to modify
the boot menu.
3.
Change the boot sequence in F10 Computer Setup.
Solving display problems
If you encounter display problems, see the documentation that came with the monitor and to the common
causes and solutions listed in the following table.
Blank screen (no video).
Cause
Solution
Monitor is not turned on and the monitor light is not on.
Turn on the monitor and check that the monitor light is on.
Bad monitor.
Try a different monitor.
The cable connections are not correct.
Check the cable connection from the monitor to the computer and
to the electrical outlet.
You may have a screen blanking utility installed or energy saver
features are enabled.
Press any key or click the mouse button and type your password (if
set).
System ROM is corrupted; system is running in Boot Block
Emergency Recovery Mode (indicated by eight beeps).
Reflash the system ROM with the latest BIOS image.
You are using a fixed-sync monitor and it will not sync at
the resolution chosen.
Be sure that the monitor can accept the same horizontal scan rate
as the resolution chosen.
Computer is in Sleep state.
Press the power button to resume from Sleep state.
Solving display problems
73