alexgao
Posts: 1
Joined: Wed Sep 22, 2021 12:22 pm

Pi400 HDMI connection issues

Wed Sep 22, 2021 12:36 pm

Hello
Recently I've got my pi 400. And it's a first time when I have issues with pi boards
1st - can`t boot from microSD card (when this card perfectly works with pi 4B)
2nd - most critical - HDMI connection. I am using the same cable (microHDMI to HDMI adapter) as for pi 4B and have issues with video output.
To get a picture, I have to dance around of my pi :)
It seems that the case prevents to the normal connection (cable to port)

Does anyone had such issues and has a solution ?

KeithMck
Posts: 297
Joined: Thu Dec 31, 2020 10:58 am

Re: Pi400 HDMI connection issues

Wed Sep 22, 2021 6:25 pm

Personally, I'd just get another card for the RPi400, & buy a genuine HDMI cable, no adapter. ;)

(Not that it helps in your case, but I can swap my SD cards between my RPi4B & RPi400, no problem.)

Joop99
Posts: 72
Joined: Fri Jul 23, 2021 1:23 pm

Re: Pi400 HDMI connection issues

Thu Sep 23, 2021 2:18 pm

As you have a pi4 you should know how to insert the micro sd card. You have to push it into the slot all the way until you here it click. Concerning your monitor issues, are you sure that the p400 is set for the right monitor, if your monitor is NOT multisync and fed with the wrong dimensions then it will stay in most cases black and do nothing. I use adapters and have no issue with it. However my cable shows in some cases that there is a breach somewhere in the cable, if that occurs the screen blacks out and I have to reposition it on the table.

cleverca22
Posts: 4630
Joined: Sat Aug 18, 2012 2:33 pm

Re: Pi400 HDMI connection issues

Thu Sep 23, 2021 2:25 pm

Joop99 wrote:
Thu Sep 23, 2021 2:18 pm
As you have a pi4 you should know how to insert the micro sd card. You have to push it into the slot all the way until you here it click.
of note, only the pi2 and pi400 click like that

the pi4 does not make a click when fully inserted

User avatar
rpdom
Posts: 19126
Joined: Sun May 06, 2012 5:17 am
Location: Chelmsford, Essex, UK

Re: Pi400 HDMI connection issues

Thu Sep 23, 2021 4:45 pm

cleverca22 wrote:
Thu Sep 23, 2021 2:25 pm
only the pi2 and pi400 click like that
Also the (1)B+, although I removed the spring on mine when the mechanism broke, so it is just a push-pull instead of a push-push now.
Unreadable squiggle

Joop99
Posts: 72
Joined: Fri Jul 23, 2021 1:23 pm

Re: Pi400 HDMI connection issues

Fri Sep 24, 2021 5:11 pm

cleverca22 wrote:
Thu Sep 23, 2021 2:25 pm
Joop99 wrote:
Thu Sep 23, 2021 2:18 pm
As you have a pi4 you should know how to insert the micro sd card. You have to push it into the slot all the way until you here it click.
of note, only the pi2 and pi400 click like that

the pi4 does not make a click when fully inserted
Didn't know that, little silly not to have same systems throughout the complete product line. Now you can't give universal advice.

User avatar
rpdom
Posts: 19126
Joined: Sun May 06, 2012 5:17 am
Location: Chelmsford, Essex, UK

Re: Pi400 HDMI connection issues

Fri Sep 24, 2021 6:08 pm

Joop99 wrote:
Fri Sep 24, 2021 5:11 pm
Didn't know that, little silly not to have same systems throughout the complete product line.
The "click" mechanisms on the 1B+ and 2 were prone to problems. The 400 doesn't have the same problem because it is in a case and the fit is better.
Unreadable squiggle

Return to “Raspberry Pi 400”