Question about Dell Computers & Internet
Over heat, freezes all buttons on black out after about 30 min. Won't black with it apart (no heat shields on boards or plastic encasing) at least within about 40min ;)
Sounds more like a digital board problem than anything. Dell's OEM for your model is Benq. They made a ton of these units, so it's a trivial task to find replacement parts second hand. If you believe it is heat related, you can use a hair dryer to heat up different parts of the assembly to reproduce the symptom while the unit is apart. Either that or drill some holes in the metal shielding to promote better airflow inside the unit.
Posted on Dec 20, 2014
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Posted on Jan 02, 2017
NOTE: You can also lock or unlock the OSD by pushing and holding the Menu button for 15 seconds. In this mode All buttons will be locked including the "Menu" button. You can unlock by pushing and holding the Menu button for 15 seconds.
Posted on Jun 08, 2008
two case trouble reason and need to do:
1) back light driver (inverter) works not stable and DC power protect. it near some component damage, should repair inverter by egineer.
2) back light (lamp) over life cycle so protect by the inverter, should change new lamp (regular parts)
3) DC power supply not stable or component over life( wave filter capacitor), should be replaced
Posted on Feb 07, 2009
This is a very common problem, check the great solution for repairing the power button on Youtube:
Posted on Oct 10, 2010
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