lenovo g500 auto restart within 20sec

board part- VIWGP/GR LA-9632P REV 1.0

Dignosis:

checked and found board on /off continue

checked all voltage ok in on time

3.3/5v alw ok all time

suspecetd me region issue

write the clean me bios and job done sucessfully

lenovo g500 la-9632p clean me bios tested ok

board part

VIWGP/GR LA-9632P
REV 1.0


pch= slj8e= hm76

hm11

me version= 8.1.0.1248

CASE STUDY ACER 4739Z POWER ON AND OFF IMIDIATLY


MODEL --- ZQH

OBSERVE

LAPTOP POWER ON AND OFF IMMITIATLY AFTER 5sec

DC AMPERE LOAD WHEN POWER ON .400

THEN OFF

CHECKED FIRST ALW VOLTAGE FOUND OK 3/5 ALW

CHECKED +15V ALW OK

CHECKED S0_S5 VOLTAGE ALL OK

CHECKED THE S5_ON SIGNAL OK ...

when come second part sir

Hi,

Sometimes you need to work without schematics. Let's understand your case.

The RTC battery provides power to RTC (real time clock) area either in EC or in chipset. It also supplies reset to the respective area. If there are such issues, I normally check for unusal drain on RTC battery. It's a ...

very nice .... if share snap it ill become very very very nice for study

Case Study--- asus k54c not power on when press power switch

but power on without rtc batty

[hidden]board ----- k54c main board
diagnosis
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checked with other cmos battery same issue

checked in switch have 3.3v

when remove cmos laptop power on when ...

dear arun sir


what are you doing is you replace that resistor or any jumper for that

problem--- no power on dead

LAPTOP --- C700

BOARD PART -- LA-4031P

---------------------------
first look before dignosis
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at dc jack light glow when put adapter

means step down section aproxly ok alw voltage ok

suspected first look bios issue ...

intel dq57tml hcl me clean bios