How to change power supply - Toshiba Satellite 2455-S305 Notebook

How to fix PC Power problem

How to fix PC Power problem

PC Power problem:

1. When your pc power problem you should check/change power cable.

1. If no problem cable. Check/change power supply.



2. How to check power supply.



3. Power supply is ok. Then check your motherboard crystal. If the crystal damage change the crystal.

If you can open it : Test the power switch and the power unit and change if one dont work If you cant open it: Change your printer

FroooSee your bios /setup/, maybe in there alarm on, if on change to of.

Remove the main battery and the power supply, allow several minutes to get rid of any residual charge, now plug the power supply adapter back in and press power "leave battery out" is there any change? if not! remove power supply, now! press and hold power for 60 seconds to reset the laptop. Next install main battery back in and the power supply adapter, power up! if no change, the motherboard is the problem.

Then your power supply is dead. You can purchase a new power supply relatively cheap. Give newegg.com a try.

Change out power supply with a computer that has worked in the past and has a similar power, supply. Check power supply for 5volts,12volts we are black box specialist noone dors this any more change out power suppy and see if it works

Resetting the power supplies isn't necessary. Once one of the ptwo power supplies fails, the second power supply automatically takes over. Also, there isn't a need to power down the system to change the supplies as long as you change them one at a time.

pls ckh ur power supply 5v 12v again other wise change power supply.
pls, chk it is at,or atx power supply.
or ur mother disply ic is damage
inset new display card.

change the fuse inide the power supply.it may be broken

Dear,

ELECTRIC SHOK OR IMPROPER EARTHING IS DAMAGE POWER SUPPLY,MOTHERBOARD,PROCESSOR,RAM
HOW TO CHECK IT.

(WHEN CHECKING KEEP CAUTION :- REMOVE HARD DISK DRIVE POWER SUPPLY SOCKET)

1. check power supply watt 400/450 and same another power supply install and check it. if power supply change and system is working ok so problem in your power supply.

2. check CMOS cell on motherboard,(3 volt)

3. Bfore power supply changing check on mother board any capasitor is like as damaged or not.
OR check main chipset ic is marked as intel.whenpower on it is very hitting or
normal)if very hitting require to repair your motherboard.(intel chipset ic near cmos cell or pci slot,)
4. checking of ram on other pc (working or not)(one beeps coming or not,if one beep coming ram is working ok)