Dell Inspiron 3521 No Display

[Dhirendra Gaur]

Make/Model- Dell Inspiron 3521
Motherboard Part No- LA-9104P VAW00 Rev-1.0(A00)
Processor Type- Onboard Pentium
Ram Type – DDR3L
Problem – No Display 3 beep sound
Diagnosis- PCH Faulty
Process-
Dell Insprion 3521 laptop no display Found Motherboard part no- LA-9104P VAW00 Rev-1.0(A00) this motherboard on continues but display is not coming in screen and external then checking Motherboard voltage found only generate charging voltage and 3.3v and 5.1 voltage and all other voltage missing this condition change I/O (KB9012QF A3) UE1 And Programming (128KB) This I/O But problem Not solve After one by one Reprogram UH2 (2MB Bios) UH6 (4MB ) Bios But Not problem Solved At last Rebolling PCH (SLJ8E) UH1 But Same Problem After Replace PCH Problem Is Solved .. Display coming and All Function Proper work….

[javed]

good job

[chiplogicpgh]

sir i have 3521 i5 with ati chip 2beep sound come all volt ram 1.5/.75vtt/3.3v ok but no display any solution plzzz