XPost: comp.os.linux.misc, alt.comp.os.windows-10   
   From: nospam@needed.invalid   
      
   On Wed, 7/16/2025 3:12 PM, J. P. Gilliver wrote:   
   > On 2025/7/16 19:41:52, Carlos E.R. wrote:   
   >> On 2025-07-16 18:52, VanguardLH wrote:   
   >   
   > []   
   >   
   >>> Take a flashlight, and shine it at the display at an angle.  Can you see   
   >>> what would have been displayed if the backlamps came on?   
   >>   
   >> I can easily try that. [...]  You are absolutely right, I can see the   
   Compaq logo as it tries to boot.   
   >>   
   >>   
   >> So, unless it is a faulty cable, it is garbage time.   
   >>   
   >   
   > Certainly worth a try. Would be a pity to junk it just because something has   
   come loose. The fact that you said it had given problems in the past that were   
   curable by closing and opening it definitely _suggests_ either the connector,   
   or the hinge    
   switch, may be loose - though the inverter could indeed be flaky. But have a   
   look first!   
   >   
   > If it _is_ backlight failure, still worth replacing (I'd say the whole   
   display-plus-backlight assembly rather than trying to separate the latter) -   
   especially if you can find a parts one of the same model where "display works   
   but won't boot", "no HD",    
   or similar, for peanuts.   
      
   You can use a flashlight with some displays, to check for a response   
   from LCD. They're pressing the flashlight up against the front surface   
   of the screen.   
      
      https://www.youtube.com/watch?v=HyEdbufQuNM   
      
   Be careful not to scratch the screen, as the front surface of your   
   flashlight can be rough.   
      
     Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)