I'm beginning to think the HDMI slots on the TV are defected in some way, I'd appreciate any thoughts. I've had a look around the net and cannot find anything that might help me out, hence coming on here in the hope someone may have experienced something similar with these TV's or know of something I'm missing with my laptop? When I plugged the VGA cable in, the TV and laptop recognised each other straight away and I didn't have to do another thing.īut I've still got this HDMI problem - I've even gone out this afternoon and brought 2 brand new HDMI cables, a cheap one and decent priced one, but alas still nothing. If you are experiencing any HDMI display, Ethernet connectivity, USB, or card reader issues, first complete an SMC reset. If your display isn't showing the whole picture If the video on your HDTV or display extends beyond the borders of the screen, press Option-F1 on your keyboard to open Displays preferences, then adjust the Underscan slider for a better fit. So I changed over the cable to the HDMI 2 slot on the TV etc and still nothing on the laptop, I fiddled with the settings again and still couldn't get the laptop to recognise there was a 2nd display, nor get any signal on the TV.Īs a last resort I unplugged the HDMI cable and tried the VGA cable I have - and this decided to work, although no sound as I didn't have those cables plugged in. Unplug the HDMI cable from your Mac, then plug it in again. Going into the display settings of my laptop didn't show a 2nd display, so I changed various settings trying to get it to recognise the tv, but nothing, still no signal showing on the TV, and nothing showing on the laptop. Within 5 mins of setting up the TV channels I decided to plug my HDMI cable into the laptop and then into HDMI 1 slot on the back of the TV, I changed the input of the TV to HDMI 1 and.
In many cases, the order in which these devices are powered on will dictate the success of the handshake.I've just recently got myself a new laptop (specs at bottom of message) and took it around a friends house and plugged it into their HD TV via HDMI - all worked well, the laptop recognised the TV straight away, optimized the display and away we went.Ī few days go by and I decided to upgrade my own TV from an SD to an HD TV (Bush BLED24FHDL8) yeah I know cheap as chips, but it's going alright so far. This is an extremely common solution for people with HDMI sources connected to a home theater system or an audio/video receiver. A: If you are using an Authentic Apple HDMI Adaptor then, connect everything together, reboot and then turn the TV on. So, if you turned on the display before your HDMI source, try turning both off and then powering them on in the opposite order. If that doesn't work, the next thing to consider is changing the boot sequence. It's an underwhelming troubleshooting method, but it forces lots of important processes to restart and often results in a successful handshake. Connect a display to a Mini DisplayPort: Plug the display’s cable directly into the Mini DisplayPort on. Connect a display or projector that has a VGA connector: Use a Mini DisplayPort to VGA Adapter to connect the display to the Thunderbolt port on your Mac. TV would stay in a black screen at all times even when connected.
Also when the cable is connected the Mac would switch to a black screen for 1 second and return to the Build in display. PS: I already check the show mirroring options. For this reason, the primary solution - and the first thing you should always try - is to simply unplug the HDMI cable from the source device and plug it back in. For more information about connecting a TV, see Use your TV as a display with Mac. Troubleshooting your USB to HDMI/DVI adapter when connecting to a Mac With your TV connected to your Mac, Open Apple System Preferences. Im using a Panasonic Viera and the HDMI adapter is a INSIGNIA. Almost all of them are simply various ways of making the two devices attempt the handshake again. Select System Preferences from the Apple menu and click Display if the TV is not displaying the MacBook screen correctly. In those cases where the handshake doesn't play out how it should, and you're certain there isn't just a loose cable, there are multiple, simple solutions to the problem.