DELL 15 3521 Continue BEEP

[nivasmv]

DELL 15 3521 LA-9104p Continue Beeps

1.5V and 0.75V are Missing RT8207 not giving out put Changed RT8207 (PU300)

Display Ok

[egyeprom]

Some times all volts is ok and still beep
Lvds cable and led is ok bios reprograming Is ok

Just isl95836 I thinks this ic for VGA vcc core is missing change isl with new one and the same
Change ene and program it ok
There is way some time work that
You press power and release it for second and press and hold until it shutdown 2 or 3 time
But as I told not all motherboard work with that way


Try to see this volt in working la_9104p
The coil for VGA core give 0.88 volt for one second and gone but there is no voltage in beep one
CPU vcc and ram vcc is ok no and VGA

No short at any cap in motherboard all volts on coil ok expect VGA coil in CPU ..
Any help with that

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[esmat-fadak]

Helpful

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[manikodai]

Check io

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[Juandi]

I changed io.. same.problem

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[chandra]

nice sir

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[subhasis]

Very very suporting post, thanks everyone

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[sunilpatel]

pl1000 remuve and put coil display ok

[pdewida897]

REPROGRAMMING BIOS & IO
AND REMOVE COIL VGA