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HP ProDesk 400 G5 Desktop Mini User Manual

HP ProDesk 400 G5 Desktop Mini
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Blank screen (no video).
Cause Solution
2. Expand the Resolution box, and then use the sliding control
to reset the resolution.
Monitor is congured to use an input that is not active. Use the monitor's on-screen menu controls to select the input
that is being driven by the system. Refer to the monitor's user
documentation for more information on the on-screen controls
and settings.
Blank screen and the power LED ashes Red ve times, once every second, followed by a two second pause, and the computer
beeps ve times. (Beeps stop after fth iteration but LEDs continue ashing.)
Cause Solution
Pre-video memory error. 1. Reseat DIMMs. Power on the system.
2. Replace DIMMs one at a time to isolate the faulty module.
3. Replace third-party memory with HP memory.
4. Replace the system board.
Blank screen and the power LED ashes Red six times, once every second, followed by a two second pause, and the computer
beeps six times. (Beeps stop after fth iteration but LEDs continue ashing.)
Cause Solution
Pre-video graphics error. For systems with a graphics card:
1. Reseat the graphics card (if applicable). Power on the
system.
2. Replace the graphics card (if applicable).
3. Replace the system board.
For systems with integrated graphics, replace the system board.
Blank screen and the power LED ashes Red seven times, once every second, followed by a two second pause, and the computer
beeps seven times. (Beeps stop after fth iteration but LEDs continue ashing.)
Cause Solution
System board failure (ROM detected failure prior to video). Replace the system board.
Monitor does not function properly when used with energy saver features.
Cause Solution
Monitor without energy saver capabilities is being used with
energy saver features enabled.
Disable monitor energy saver feature.
64 Chapter 6 Troubleshooting without diagnostics

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HP ProDesk 400 G5 Desktop Mini Specifications

General IconGeneral
ChipsetIntel Q370
MemoryUp to 32 GB DDR4-2666 SDRAM
Operating SystemWindows 10 Pro
Power Supply65 W external power adapter
ProcessorCore™ i3, Core™ i5, Core™ i7 (8th Gen)
StorageUp to 2 TB HDD
GraphicsIntel UHD Graphics 630
Form FactorDesktop Mini
Ports (Front)1x headphone/microphone combo; 2x USB 3.1 Gen 1
Ports (Rear)2x USB 2.0; 2x USB 3.1 Gen 1
Dimensions177 x 175 x 34 mm
Weight1.26 kg
NetworkGigabit Ethernet
WirelessBluetooth 5.0

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