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Dell 3521 DRAM PGOOD Signal Missing and No Display Problem Solution. #Laptop Power On but No display Problem. Get the complete laptop repairing training Online #video course from Laptex.

This case is related to dell 3542 no display or la-9104p no display or la-9101p no display problem.

DRAM PGOOD missing signal which could be the reason for No Display Problem in this motherboard.


The Topics covered in this course are:-

* MacBook Training Complete Video up to Level-4

* Cold Testing of all Components with Proper Value in healthy and
Faulty Condition Using DC-Power Supply, Multimeter, and
CRO/DSO.

* Understanding of Schematics Diagram on the Live Practical
Motherboard & its Important Voltage and Signals.

* BIOS ME region Cleaning including CSME & TXE region (6th,
7th, 8th, 9th gen)

* ALL CHARGING IC's (Bq24725/Bq24707A, Bq24735 Bq24745, Bq24751, etc) Working, Internal logic, Schematics and Troubleshooting of various Charging problem.

* ALL 3.3/5 V Buck regulator IC's (TPS51225, TPS51223, RT8205A/B/C, RT8206A/B, NB670, etc.) Working, Internal logic, Schematics, and Fault Troubleshooting.

* Power-On Sequence of ALL generations With SOC(system on chip) Structure Motherboard. With different states (S0, S3, S4, S5, G2, G3).

* 51-On Logic, Feedback voltage, MODE, PROGRAM PIN, IMON, BTST BOOT, TRIP, I2C, SMBus, LPC, PCI Signal functions Logic.

* Various Sections including Stand By section (3V 5V Section, Charging Section, RTC section, VRM or CORE Section, RAM Section, LVDS Section, Power Management Section, IO Section, etc Signal, Voltage CLOCK and DATA description.

* All signals working in schematics e.g - PLTRST#, RSMRST#, VCCRTC, SRTRST#, RTC SUSCLK, X1 & X2, INTRUDER#, INTVRMEN, SYS_ON, RUN_ON, DDR_PWR_OK, VGA_OK, S_PGOOD, RAMRST, SUSP#, etc and Many More Signals.

* Switching of OP-Amp (Comparator, Schmitt Trigger, Amplifier), Diode, Zener, MOSFET(N-CHannel and P-Channel)(E-MOS, D-MOS, C-MOS), Transistor (BJT), in schematics and Practical Motherboard.

* Graphic to non-graphic conversion Data and Practical and ASUS onboard RAM disable method.

✅ Learn the concept and be an EXPERT don't opt for HIT and
TRIAL. 🙏

Concept of 8th, 9th & 10th Generation motherboard power plane. Load Switch Mosfet and Load switch ic concept in the latest generation laptop motherboard.

Get the best laptop repair course training at Laptex. Both offline and online video course is available for the complete laptop repairing training from basics to the advanced chip level.

Laptex provides the complete component as well as chip level training with live practical on faulty motherboards to understand the application of the concept. As our slogan defines learn the logic concept.
For further query WhatsApp or call us
@ Mr. Nasir - +919871145066
@ Mr. Dildar - +919031240767
You can also visit our office @ 605A Sahyog building 6th floor Nehru place Delhi 110019.
Join our #course module and become an expert in laptop motherboard repairing. All are welcome to join our free Demo Class.

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