thank u sirji

PROBLEM: NO DISPLAY
SOLUTION:
CHECK VOLTAGE ON ALL THE COIL
FOUND NO VOLTAGE ON COIL PL905 WHICH FOR +VCC_GFXCORE_AXG
SUSPECT WAS IC NO. PU901( NCP6132A)
CHANGE PU901 IC( NCP6132A)
NOW THE VOLTAGE IS COMING ON COIL PL901 AND DISPLAY PROBLEM SOLVED
LAPTOP WORKING GOOD
THANKS

PROBLEM:GIGABYTE GA-H61M-S2 DEAD

STEPS:
FIRST CHECK 37.768 KHZ CRYSTAL OSCILLATION
FOUND NO FREQUENCY ON CRYSTAL
CHECK 3 VOLT ON CMOS BATTERY- BATTERY OK
CHECK VOLTAGE ON D2 DIOD ON PIN 1 WHERE 3 VOLT POWER IN COMING FROM CMOS BATTERY THROUGH ONE RESISTOR
FOUND ON PIN 1 OF D2 DIOD WAS ABSENT
PUT ...

HI FRIENDS,
I HAVE TO CONVERT HP G62 LAPTOP MOTHER BOARD( IT8502E IO) FROM GRAPHIC TO NON GRAPHIC, CAN ANY ONE HELP REGARDING THIS.
MOTHER BOARD MODEL NO. :- PM_I_HPC_S_MV_MB_V3
LAPTOP MODEL NO.:- HP G62-B53SE

IF ANY ONE HAVE ANY IDEA, PLEASE HELP.
THANKS

any one have dell desktop optilex 755 bios bin file. kindly upload.

thanks

Great work

BRAND : PACKARD BELL
JE40-HR-DISCRETE-UMA

FIRST CHECK 3/5 REGULATOR IC PU4103 (RTM8223L)
FOUND 3.3 VOLT WAS MISSING.
AGAIN CHECK 3.3 VOLT WAS PRESENT AND IT HAPPENS MANY TIMES. SOME TIME PRESENT AND SOME TIME DOES NOT.
CHANGE PU4103 (3/5 REGULATOR IC) BUT PROBLEM WAS STILL SAME
FINAL CHANGE THE ...

PROBLEM: DEAD
LAPTOP CAME IN DEAD CONDITION

CONNECTED TO POWER SUPPLY AND FOUND BOARD WAS SHORT
EXAMINE THE WHOLE BOARD AND FOUND CAPACITOR PC306 WAS VERY HOT
REMOVE PC306 SHORTING PROBLEM SOLVED
SWITCH ON THE BOARD BUT AFTER 2 OR 3 SECOND LED LIGHT GOES OFF
EXAMINE THE Y1 32.768 KHZ SMD CRYSTAL ...

PROBLEM : DEAD AND SHORTING IN MOTHER BOARD

First connected to PSU , amp increased and voltage dropped rapidly ( shorting in board)
physically examine the board and found PQ4 mosfet was hot, check with with multimeter no problem in mosfet

further examine and found PQ9 mosfet was also hot.
but ...