I have been working on this all week and I can't get it to boot. I'm using "2016-05-27-raspbian-jessie" (tried the most updated one and it didn't want to boot either) and a fresh SD card. I write it to the card, plug it in and then I get a red light and green flashing light. Then the flashing stops and I have nothing but a black screen. I have walked away from it for HOURS and it doesn't work. I'm using the cord to my tablet, not a cheap one and it's plugged into the plug from my old tablet.
It used to work. Now it's not doing anything. Someone help me before I take it outside and run it over with a school bus!!!
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yourhighpriestess
- Posts: 8
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davidcoton
- Posts: 4909
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- Location: Cambridge, UK
- Contact: Website
Re: GRR!!!!
Do you mean the HDMI cord? The tablet HDMI connector will be output, not input. You need a regular monitor or TV with HDMI input.yourhighpriestess wrote: I'm using the cord to my tablet,
The alternative is to look up the instructions for using SSH or VNC to control the Pi over the network.
Start here, then look at the remote access help.
Signature retired
Re: GRR!!!!
Being rude and insulting to those trying to help you is not an effective method of solving your problems. I'm certainly not motivated. Bring on the school bus.
Re: GRR!!!!
Ok YourHighPriestess,
First of all about 70% of the forum users here, english is a 2nd or 3rd language. So patience and oversimplifying your questions with as much information as possible is the best approach. Not everyone reading your question will necessarily understand it completely without your careful and precise wording.
Second, before you toss your Pi and your screen in the trash, please explain what you have tried so far.
Have you considered trying to SSH into the pi from another pc? That will at least let you log into the pi as user pi and make changes that might be needed. One of the first places to start would be the config file: /boot/confit.txt
There are several settings there that have been commented out. The ones you would be looking for are:
#hdmi_group=1
#hdmi_mode=1
These two are commented out and the pi tries to determine what kind of screen it has at the other end of the HDMI cable. However it is not always possible for it to figure out what is plugged into the HDMI port. When that happens, the default reaction is a blank black screen. So, if you uncomment these two lines ( by editing away the # symbol ) you can start trying a few different settings to get the screen to respond. Start by changing the "hdmi_mode" setting to 4 for a 720p resolution or 16 for a 1080p resolution. Reboot between your tries for the config file to load on boot.
That should get you started toward getting a more positive response from your screen, but the "idiot" remark will probably get you far less response from the forum.
You can find more on hdmi_group and hdmi_mode with a quick google search. there are too many detailed possible combinations to list here.
First of all about 70% of the forum users here, english is a 2nd or 3rd language. So patience and oversimplifying your questions with as much information as possible is the best approach. Not everyone reading your question will necessarily understand it completely without your careful and precise wording.
Second, before you toss your Pi and your screen in the trash, please explain what you have tried so far.
Have you considered trying to SSH into the pi from another pc? That will at least let you log into the pi as user pi and make changes that might be needed. One of the first places to start would be the config file: /boot/confit.txt
There are several settings there that have been commented out. The ones you would be looking for are:
#hdmi_group=1
#hdmi_mode=1
These two are commented out and the pi tries to determine what kind of screen it has at the other end of the HDMI cable. However it is not always possible for it to figure out what is plugged into the HDMI port. When that happens, the default reaction is a blank black screen. So, if you uncomment these two lines ( by editing away the # symbol ) you can start trying a few different settings to get the screen to respond. Start by changing the "hdmi_mode" setting to 4 for a 720p resolution or 16 for a 1080p resolution. Reboot between your tries for the config file to load on boot.
That should get you started toward getting a more positive response from your screen, but the "idiot" remark will probably get you far less response from the forum.
You can find more on hdmi_group and hdmi_mode with a quick google search. there are too many detailed possible combinations to list here.
Re: GRR!!!!
Did you try pinging it? If you have an android phone on your network, a program such as Fing could be used to find the ip address. You really want to know if it is booting and just not displaying or if it isn't really booting.yourhighpriestess wrote:I have been working on this all week and I can't get it to boot. I'm using "2016-05-27-raspbian-jessie" (tried the most updated one and it didn't want to boot either) and a fresh SD card. I write it to the card, plug it in and then I get a red light and green flashing light. Then the flashing stops and I have nothing but a black screen. I have walked away from it for HOURS and it doesn't work.
You haven't said what sort of monitor you are using, it might be an old tube TV or it might be a monitor with a DVI adapter or it might be a current hdmi device. If it is a monitor with a DVI adapter, your result is rather common because of communication issues between the monitor and the pi. Another poster suggested making some changes to the /boot/config.txt file, that's a good idea. This can be "GRR" inducing because it might not work straight away. If you continue having problems and can ping the pi, I'd look into trying to hook it up to an hdmi monitor just to test things, a current TV would likely allow this.
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sharpteck3
- Posts: 1
- Joined: Mon Jan 23, 2017 2:36 am
Re: GRR!!!!
I had this problem. I went out and purchased a usb power supply with output of 3.4 amps. I had an old tablet one that started to power up but would not complete. The RP III would reboot.
Re: GRR!!!!
The OP appears to have moved the discussion here, and effectively closed it.
viewtopic.php?f=91&t=172380
viewtopic.php?f=91&t=172380