My HP Prodesk 600 mini pc 5 times long red colored beep + 2 times short white colored beep

[VeJedaY]

My HP Prodesk 600 mini pc when plug power it is not opened 5 times long red colored beep + 2 times short white colored beep. Before 1 month ago it work well and nobody touch it. Because i was in holiday. When i turn back home it show that symptom !.. How can i fix it ?

[Lil_Boy_Blue]

Hi

You get a LONG (MAJOR) signal category, RED LED &

then a SHORT (MINOR) signal category, WHITE LED.

Major – the category of the error; Minor – specific error in that category

The AUDIBLE repeats 5 times, and the VISUAL until power is removed.

Main- (Mother) Board

5.2

The embedded controller cannot find valid firmware. Controller is missing appropriate ROM.

1 Remove any recently inserted Hardware. 2 Reset CMOS. 3 Update BIOS while affected components are removed. 4 Test known good component. 5 Replace component or Main-Board as needed.

https://support.hp.com/us-en/product/hp-prodesk-600-g3-desktop-mini-pc/15257642/manuals

Could the CMOS/RTC battery have failed?

http://h10032.www1.hp.com/ctg/Manual/c05381695  Page 40.

[VeJedaY]

Thanks for your answer Lil_Boy_Blue

I found reset CMOS button on main board.

I removed DDR4 Ram and SSD Harddisk drive (Even originally installed before working good this parts). Again same 5 times red 2 times white beep signal i saw.

Later i removed mainboard battery and nothing changed.

[Lil_Boy_Blue]

Hi

In that case it may need to go to a local repair shop.

[VeJedaY]

Okay... Thank you very much for your help.

[Lil_Boy_Blue]

Prego.