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Asked: 2021-11-21T09:22:24+00:00 In:

Laptop Display Not Working After Disassembly & Reassembly

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hi guys
iv got a bit of a odd problem and hoping for some ideas.
my laptop was obviously over heating as the fan started to rev up and down.
so i took of the heat sink and fan.cleaned everything and re-applyed arctic silver to the cpu & gpu like iv done a thousand times..
i then put everything back together and booted it up to a black screen?????
i then striped it down and re-did everything to make sure things were in place.
the laptop works perfectly with a external monitor from the vga or hdmi output.
i really need some ideas please as iv no clue whats causing it.

laptop specs>>>>>>>>>>>>>>>>>>>>>>>>

http://h20564.www2.hp.com/hpsc/doc/…

Microprocessor 2.2 GHz AMD Athlon II Dual-Core Processor P340
Microprocessor Cache Level 2 cache 1 MB
Memory 3 GB DDR3 (1 x 1024 MB + 1 x 2048 MB)
Memory Max Supports up to 8 GB DDR3 memory
Video Graphics ATI Mobility Radeon HD 5470 Graphics (switchable)
Video Memory up to 1661 MB total graphics memory with 512 MB DDR3 dedicated
Display 39.6 cm (15.6″) diagonal High-Definition LED HP BrightView Display (1366 x 768)
Hard Drive 500 GB SATA Hard Disk Drive 7200 rpm

message edited by martin16v

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    1. Best Answer
      Best pull off any suspect connectors then pop them back in and out a few times before finally pressing them home. Oxide on connections is a common problem when a computer is worked on – sometimes the slightest movement can cause things to move to a bad spot. Same goes for edge connectors too (use a soft pencil eraser on these).

      Always pop back and let us know the outcome – thanks

      message edited by Derek

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