theres no video on lcd but theres video by vga

jonny0404

Senior Member

Join Date: Nov 2014

Posts: 110

Country: Colombia
#1

theres no video on lcd but theres video by vga

02-14-2015, 03:51 PM

Hi guys anyone can help me out with this laptop please, the problem theres no video on lcd, i already check with another lcd that works and nothing, no video so i check on page 19 jlvds1 :

pin 1 and 3- 17.88V

pin 7,9,11--3.38V

pin 27- 3.38V

pin 2,4,6,8,10,12,14,16- no voltage on 2,4,6,8,10,12 and theres a little voltage on 14 and 16 0.30V

pin 28- 5V

pin 30- 0.04v

pin 32- 3.3 V

pin 34- 1.01V
Attached Files

HP DV4 - COMPAL LA-4101P ICH9.pdf (1.64 MB, 35 views)
Tags: None
kuldeep

Member

Join Date: Sep 2013

Posts: 30

Country: india
#2

02-15-2015, 03:18 AM

Re: theres no video on lcd but theres video by vga

hi dear,
you can put USB Pendrive with light in USB Port & check if pendrive light comes when power on the motherboard then BIOS kindly upgrade..!!
download from Attachments..!!
Attached Files

CQ40.la-4101p.25l80.rar (784.7 KB, 37 views)

Last edited by kuldeep; 02-15-2015, 03:35 AM.
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theres no video on lcd but theres video by vga

theres no video on lcd but theres video by vga

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