# Display not work after boot **URL:** \ **Category:** Picade\ **Created:** [December 22, 2019, 11:32am UTC](https://forums.pimoroni.com/t/display-not-work-after-boot/12508 "2019-12-22T11:32:45Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![wibo](https://avatars.discourse-cdn.com/v4/letter/w/9f8e36/32.png) [@wibo](https://forums.pimoroni.com/u/wibo)\ **Post date:** [December 22, 2019, 11:32am UTC](https://forums.pimoroni.com/t/display-not-work-after-boot/12508/1 "2019-12-22T11:32:45Z")
Hello, I build my first picade with a raspberry pi 3 B+ When i want to boot the device the screen stay’s black. The red led stay’s on on the pi and about foor 25 seconds a led is on the display board. I have follow step by step on the building poster. Is it possible that te screen is defect or do i something wrong? Befor i build the picade my pi with retropie was fully working on tv ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 22, 2019, 3:31pm UTC](https://forums.pimoroni.com/t/display-not-work-after-boot/12508/2 "2019-12-22T15:31:14Z")
Try adding `hdmi_force_hotplug=1` to your config.txt file. ---
**Author:** ![wibo](https://avatars.discourse-cdn.com/v4/letter/w/9f8e36/32.png) [@wibo](https://forums.pimoroni.com/u/wibo)\ **Post date:** [December 23, 2019, 9:50pm UTC](https://forums.pimoroni.com/t/display-not-work-after-boot/12508/3 "2019-12-23T21:50:28Z")
I add this line. It worked for me! Thanks a lot! ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 24, 2019, 8:56am UTC](https://forums.pimoroni.com/t/display-not-work-after-boot/12508/4 "2019-12-24T08:56:56Z")
That good to hear, now you can have some fun. =)