BLACK SCREEN REFLOW GPU HP DV9000
Black screen or running colours.
Troubleshooting
Check cable from motherboard to LCD panel is seated correctly. Check for overheating.
Solution
If everything with the above is in normal state, we are left with the graphics chip.
Reflow first and if necessary will need full BGA reballing.
Precautions
Unplug from mains and remove battery during disassembly and assembly. Take care of high temperatures during reflow process. Please wear correct protective gear.
Tools required
Philips screwdriver, plastic prying tool, container to keep screws etc, small new paintbrush, thermal paste, heat gun (reflow), aluminum foil, well lit and comfortable antistatic workspace.
hi howare you.......i have samsung r522model .......my laptop secreen is become balck not working but fan is working light also show ...but display dont work ...i try take out batter and push button for 60second than start dontwork out.....i check ram alsobut proplem is same i dont understand what happned my laptop display please help me how i canfix this proplem i am very thank full to you
ReplyDeleteConnect an external screen and tell me if it works.
ReplyDelete