Most common Sony computer hardware problems

Most frequent Sony pc hardware Issues

On this page I will summarize most frequent notebook hardware related problems and provide some hints how to troubleshoot or repair them.

Problem 1. Computer doesn't turn on at all.

Once you plug the AC adapter to the notebook, you can find no lights turning at all. After you push on the power button, nothing else happens. Sony support number. The laptop seems to be wholly dead, makes no sounds, no indications of life.


Possible difficulty:

  • The AC adapter collapsed and the battery doesn't have any charge . In cases like this test the AC adapter having a volt meter. If it's dead, replace it with a new one.
  • DC jack failed along with the motherboard will not receive any power by the adapter. In cases like this the DC jack needs to be substituted.
  •  Motherboard failed. The motherboard has to be substituted, whether or not it isn't too pricey. Otherwise prepare yourself to purchase a new computer Read More...

Also, be sure you see detailed guidelines for debugging dead laptops.

Problem 2. Screen is blank.

The notebook functions on, power LED lights cooling fan works but nothing appears on the screen. The screen is completely sterile and black. That isn't any image on the monitor at all.


Possible difficulty:

  • This really is memory collapse. It's likely one of the memory modules neglected. In this case it is possible to test resenting memory modules to make sure they are making good contact with this slot machine. You may test removing memory modules one by one and test the notebook with only one module installed. You may test replacing memory modules.
  • If resenting/replacing memory doesn't help, try removing the drive, DVD drive, modem, and wireless memory, computer keyboard, etc... Put simply, disassemble the laptop to minimum and test again. In case the notebook still doesn't turn on, probably you've failed motherboard or processor.

Problem 3. Notebook turns on / off repeatedly.

The notebook turn on without showing any image on the screen. After a number of seconds it turns off alone. Subsequently it turns on and off again.


Possible difficulty:

Most likely this is motherboard failure. You are able to try resenting/replacing memory like I described in the Problem 2. When it doesn't help, probably the motherboard neglected.

Problem 4. Laptop makes noise while running.

The laptop functions on and every thing works fine, except it makes some steady odd milling or grinding noise.


Possible difficulty:

Generally that noise is originating from the heating system or hard drive. Just take a good look at the heating system fan.

When the fan does not spin however also the the laptop makes noise, probably it's coming from the drive. Straight back up all of personal data whenever you possibly can and change the hard drive.
Also, it is possible to eliminate the hard drive and stat the notebook. In case the laptop still makes noise, most likely it's bad fan.

Problem 5. Notebook shuts down or stinks.

The laptop functions properly but after a little while it freezes or shuts down without any warning. If it happens, the underside seems sexy. Additionally, the cooling fan runs louder than normal.


Possible difficulty:

Probably that is heat related issue. It happens since the fan heat sink is clogged with dust and the chip maybe not cooling down properly. Fixing the fan and heat sink out of dust should fix it.


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