HP t620 User Manual

Table B-5 Power-On Troubleshooting (continued)
No link or activity on the network RJ-45
LEDs or the LEDs do not illuminate blinking
green after powering on the thin client unit.
(The network LEDs are located inside the
RJ-45 connector on the top, rear panel of
the thin client. Indicator lights are visible
when the connector is installed.)
1. Verify that the network is not down.
2. Make sure the RJ-45 cable is good by installing the RJ-45 cable onto a
known working device—if a network signal is detected then the cable is
good.
3. Verify the power supply is good by replacing the power cable to the unit
with a known working power supply cable and testing it.
4. If network LED's still do not light and you know the power supply is good,
then re-image the unit.
5. If network LED’s still do not light, run the IP configuration procedure.
6. If network LED’s still do not light, have the unit serviced.
A newly connected unknown USB
peripheral does not respond or USB
peripherals connected prior to the newly
connected USB peripheral will not complete
their device actions.
An unknown USB peripheral may be connected and disconnected to a running
platform as long as you do not reboot the system. If problems occur, disconnect
the unknown USB peripheral and reboot the platform.
Video does not display. 1. Verify that the monitor brightness is set to a readable level.
2. Verify the monitor is good by connecting it to a known working computer
and ensure its front LED turns green (assuming the monitor is Energy Star
compliant). If the monitor is defective, replace it with a working monitor and
repeat testing.
3. Re-image the thin client unit and power on the monitor again.
4. Test the thin client unit on a known working monitor. If the monitor does not
display video, replace the thin client unit.
Troubleshooting
51

HP t620 Specifications

General

L2 cache	1 MB
Processor cores	2
Processor model	GX-217GA
Processor family	AMD G
Motherboard chipset	-
Processor frequency	1.65 GHz
Storage media	SSD
Card reader integrated	No
Total storage capacity	32 GB
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L-SDRAM
On-board graphics card model	AMD Radeon HD 8280E
Ethernet LAN	Yes
Cabling technology	10/100/1000Base-T(X)
USB 2.0 ports quantity	6
Ethernet LAN (RJ-45) ports	1
VGA (D-Sub) ports quantity	0
Operating system installed	Windows Embedded 8 Standard
Operating system architecture	64-bit
Product color	Black
Power supply	65 W
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Country of origin	China

Weight and Dimensions

Depth	40 mm
Width	220 mm
Height	240 mm
Weight	1360 g