Dell 3537 LA-9981P No Display

[nawsn]

Hello everyone, i have this old laptop and wanted to repair it, when i press the power button, here are some measures i took below, Hope someone can help me, thanks.

B+ - 13.6v (Don't know if its good)
3.3valw - ok
5valw - ok
EC_RSMRST# - ok (3.3v)
PBTN_OUT# - ok (3.3v)
SIO_SLP_S0# - ok (3.3v)
CPU_DETECT# - ok (0V)
LID_SW# - ok (3.3v)
ON/OFFBTN# - ok (3.3v)
EC_ON - ok (3.3v)
ACIN - ok (3.6v)
65W/90W# - ok (3.3v)
PCH_PWR_EN - ok (3.3v)
ACIN_65W - ok (3.3v)
PBTN_OUT# - ok (3.3v)


SIO_SLP_S3#, SIO_SLP_S4#, SIO_SLP_S5# - 0V
SUSP# - 0V
EC_LID_OUT# - 240mV
SYSON - 0v
PJP401 - 0v (resistance = 7.4k)
J510(+5VS) - 15mv (resistance = 40k)
J511(+3VS) - 900mv (resistance = 3.9k)
PL200(+1.35VP) - 0v (resistance = 205 ohm)
PL301(+1.05VSP) - 0v (resistance = 111 ohm)
PL502(+CPU_CORE)- 0v (resistance = 138 ohm)
PL802(+VGA_CORE)- 900mv (resistance = 10 ohm)
PL1101(+1.35VGPUP) - 0v (resistance = 65 ohm)
PL1300(+VGA_PCIEP) - 950mV (resistance = 475 ohm)