When I turn on Mac screen the Mac will start but unable to see logo and screen will turn blue and keyboard backlight will glow and I tried to reinstall the OS and cleared up all the disk space and tried everything available online but noting working out.
Unfortunately, based on what you provided in your post, your Mac could have a faulty logic board, GPU, display cable, or display. At this point, you will need to contact Apple Support directly for further assistance with this issue. To do so, simply select the "Support" link on the lower left-hand side of this forum's web page.
"Getting Black/Blue screen"
