• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

power problem

Tanjim

New Member
Joined
Sep 18, 2012
Messages
1 (0.00/day)
Likes
0
#1
i have a biostar p4m900 motherboard and my processor is pentium d 2.8ghz. My problem is when i start the cpu it on for less than 1 sec and then off by it self.if i remov the 4pin processor power then it on without screen.and if i plug 4pin processor power and it on for 1sec. my psu is ok.now i need help to solve my prob.thanks.
 
Joined
Oct 9, 2010
Messages
1,281 (0.48/day)
Likes
466
Location
Kolkata, India
System Name Kaby | HP ab221TX laptop
Processor Intel Core i5 7600K @stock | Intel Core i5 5200U
Motherboard Asus Maximus VIII Ranger | HP
Cooling Cooler Master Seidon 120V hydro cooler | Laptop standard copper cooler
Memory 4*8 GB Kingston HyperX Fury @2900 MHz 15-15-15-35 2T | 8GB DDR3 1600MHz
Video Card(s) Sapphire Radeon R9 270X VaporX: Core: 1150 MHz, memory 1485 MHz | Intel HD Graphics + NVIDIA GT940M
Storage HyperX 3K 240 GB+Fury 240 GB SSDs, WD10EARS, ST500DM002, ST2000DM006 | Toshiba MQ01ABD100
Display(s) Dell S2240M 22" Full HD IPS widescreen| 15.6" full HD IPS LED LCD (LG Display)
Case Corsair Carbide 100R | HP ab221TX chassis
Audio Device(s) Realtek ALC1150 (Supreme FX) | Realtek ALC 290 with Bang & Olufsen (B&O Play)
Power Supply Corsair CS750M | 65W power brick
Mouse Logitech G300S | Synaptics SMBus touchpad
Keyboard Cooler Master Storm Devastator | Island style backlit keyboard
Software Windows 10 Pro | Windows 10 Home x64
#2
The motherboard is gone. The CPU VRM zone is short circuited. Some MOSFETs are faulty.
You can repair the motherboard cheap in some local repair shop. Where do you live?
 
Joined
Sep 25, 2012
Messages
1,614 (0.83/day)
Likes
650
Location
Jacksonhole Florida
System Name DEVIL'S ABYSS
Processor i7-4790K@4.6 GHz
Motherboard Asus Z97-Deluxe
Cooling Corsair H110 (2 x 140mm)(3 x 140mm case fans)
Memory 16GB Adata XPG V2 2400MHz
Video Card(s) EVGA 780 Ti Classified
Storage Intel 750 Series 400GB (AIC), Plextor M6e 256GB (M.2), 13 TB storage
Display(s) Crossover 27QW (27"@ 2560x1440)
Case Corsair Obsidian 750D Airflow
Audio Device(s) Realtek ALC1150
Power Supply Cooler Master V1000
Mouse Ttsports Talon Blu
Keyboard Logitech G510
Software Windows 10 Pro x64 version 1709
Benchmark Scores Passmark CPU score = 13080
#3
I agree with itsakjt, that mobo is fried