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Power Bu

on is pressed

but PC fails to start.

Yes

Check if Power Supply

Unit

(PSU) is working

Any Beep sound？

CLR CMOS and check

if CPU 12V power

is connected

art the PC stRe

Problem with PSU or board?

If board problem -> contact RMA

AC power cord is plu ed gg

and PSU switch is turned on?

Yes

oblem rBoard p

-> contact RMA

- If 3 short beeps:

DIMM memory not properly

inserted or memory failure

- If 1 long beep and 8 short beeps:

VGA not detected

Yes

Halt at POST screen？

Yes

R CMOLC S and restart.

If fail, contact RMA

Yes

Peripheral device issue

- HDD problem.

- CMOS setup error,

dnee to CLRCMOS.

System fail to start or unstable

er modify BIOS se

ng.

MCLR C OS and restart

Turn on PSU switch

or connect to wall socket

start. eand r

Check if monitor h sa

dis

play

Check if monitor

has display

Basic Troubleshooting Flowchart

Questions and Answers:

Need help?

Do you have a question about the ECS H55H-I and is the answer not in the manual?

ECS H55H-I Specifications

General

Number of memory slots	2
Maximum internal memory	8 GB
Supported memory clock speeds	1066, 1333 MHz
Processor socket	-
Compatible processor series	Intel Core i3, Intel Core i5
S/PDIF out connector	Yes
Number of SATA connectors	4
Number of Parallel ATA connectors	0
USB 2.0 ports quantity	6
Audio chip	Realtek ALC892
Power source type	ATX
Audio output channels	- channels
Motherboard form factor	mini ITX
On-board graphics card	No
Parallel processing technology support	Not supported
LAN controller	Realtek RTL8111D(L)
Networking features	Gigabit Ethernet
BIOS type	AMI
BIOS memory size	64 Mbit