Please help my friend Dell 5420 La-k491p rev 2.0 vpro ST.BZD1JQ3 laptop turns on but error bios recovery failed stuck on logo thank you...

I have a TCL 55S451 that's stuck on the logo screen. I've done all of the traditional troubleshooting steps (power cycling, holding the reset button, etc.), but nothing has worked. I thought the main board was dead, but then I realized that even though it was only showing the logo screen, it appeared to be responding to remote buttons.

So I pressed the reset button again and used the remote to put the TV into screen reader mode. I was then able to navigate through the setup menus (including successfully connecting to the internet) in order to update the firmware. I thought that that...

Hey everyone,

I’ve got a MacBook Air A2179 that got some water damage through the keyboard. Now it powers on, shows the Apple logo, but just stays stuck there — no startup chime, no keyboard backlight, and no progress bar under the Apple logo.

When I try to boot into Internet Recovery (Option + Command + R), the mouse cursor is extremely slow and laggy — like when I lift my finger off the trackpad, the cursor keeps drifting slowly for a second or two.

I opened it up and found some corrosion around the LED driver IC area on the logic board. I cleaned...

Hello Everyone!

i am having trouble with my TV, my friend gave it to me and he told me he got it from somewhere so that is why I did not know the history of it.

When turning on, it shows Sony Logo, then solid blue screen after. Then nothing just stay that way.

I bought Main Board from ebay then T-Con from Aliexpress. Replaced Main board, the TV improved it is like booting up to dashboard, then I put on my chromecast and I try to play youtube videos with it but no picture. I then try remove LDVS from old t-con, then it asks for update showing green and orange...

Hola a todos, necesito el esquema electronico de la placa 1-983-356-11 de un televisor sony bravia KD-65AF9.
Hello everyone, I need the electronic diagram for the 1-983-356-11 board of a Sony Bravia KD-65AF9 television.