Dell Vostro 3558 LA-B843P USB port Not Working

Tips & Trick By Indiarefix Team If need on Whatsapp Than Ping Your Name City State & Country name to +919310896575
Post Reply
User avatar
Dhirendra Gaur
Guru
Guru
Posts: 563
Joined: Mon Nov 30, 2015 8:40 am
Cash on hand: Locked
Location: Ranchi Jharkhand
Has thanked: 66 times
Been thanked: 46 times
Contact:

Dell Vostro 3558 LA-B843P USB port Not Working

Post by Dhirendra Gaur » Mon Jan 08, 2018 1:29 pm

Description: USB port Not Working Replace USB IC And working start .
Make/Model: Dell Vostro 3558
Motherboard Part No: AAL10 LA-B843P Rev:1.0(A00)
Processor Type: Broadwell Celron 5th gen
Ram Type: DDR3L-1600Mhz
Problem: USB / Headphone Circuit Board Both USB Not Working and Motherboard USB Work
Diagnosis: USB Power Supply Faulty
Process:
Dell Vostro 15-3000 (3558) USB / Headphone Circuit Board Both USB Port Not Working , Motherboard Part Number { AAL10 LA-B843P Rev:1.0(A00)} Customer complaint 1 USB Port Work But 2 USB Port Not Work After Checking Motherboard found 5.1V Missing in side circuit board U3505 Power ic of Side USB And input Power Pin 5 Voltag come(+5.1V) but not Found Pin 1 Output Voltag and Pin 4 EN# Voltage then check working usb voltage U3504 pin 5 voltage come (+5.1V) and Pin 1 Output Voltage Come(+5.1V) then check U3504 EN# Voltage pin 4 not found EN# Volt After Checking Found This voltage Come KBC25 (NPCE285PA0DX) PIN 83 but this voltage not generating ic and checking working usb ic (U3504) again found Input and output Voltage Pin Sort After Replace U3504 Work All USB Port .
You do not have the required permissions to view the files attached to this post.

Post Reply

Return to “Tips By Indiarefix Team”