Question about Sony VAIO VGN-SZ460N/C Notebook

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Sony Vaio VGN-SZ460N - freezes on System Recovery

Computor: Stock Sony Vaio VGN-SZ460N

Symtoms: Freezes but not at the same place during Full System Recovery using the Recovery DVD Kit from Sony.

Background: This is a case of poor guy gets comp that needs cosmetic repair from rich guy.

The laptop had been dropped and the plastic frame work and hindge on the left side had broke- so she doesn't look pretty but with a little imagination and inginuty i fixed the left hidge to hold the screen monitor section correctly. The comp worked fine otherwise till his tech guy attempted a system recovery before turnign the comp over to me in order to delete all personal data via the system recovery onboard.

I ordered the REcovery DVD's from sony - which arrived yesterday.

I opted via the Vaio recovery console to delte all data via Erase and 0 write the full drive.

Did a RAM check via the Recovery console
Did a HDD write check via the Recovery Console.
Did a full hardware system check via the console.
All check - "Okay no errors found"

First attempt at full systm recovery with Vaio recovery section included on drive to factory specs. System froze after about 15 minutes into second re-boot of "Please wait while windows starts for the first time"

Second attempt - same exact thing.

Third attempt at full system Recovery with-out the Vaio System recovery on the HDD and reclaim hdd space which renamed a partion or added a partition of Drive "E" to the HDD: It made it further - it was adding Microsoft works trial and other software - up to 82% completion and froze - i just shut it down after let it sit for 6 hrs to see if it would go past that.

Running a HDD sector check now as i type. so far so good on the sector check over 50% complete.

What is causing the freeze on system recovery?

Posted by on

  • Buuunge
    Buuunge May 11, 2010

    Hello, It sounds like the system is overheating. Do you hear any fans running when you first turn the system on? Please make sure there is no cd or dvd in the drive when you do this as they also make a lot of noise. When you first power on the system it should kick on the fans until the BIOS takes over and slows them down until they get the sensor readings to start again. When components overheat they become erratic and do not always display the same symptoms either time wise or symptom wise.

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  • 87 Answers

I put my money on that you have a CPU over temperature problem, and/or intermittent RAM problem.

Be sure you are ESD safe when working on the electronics as follow !

I suggest, using a eye piece magnifier and a wooden tooth pick and carefully touch each pin of your RAM sockets and see if the soldering is bad, allowing the pin to move slightly. If that happens, well it needs re-soldering there, make sure you use leaded solder, not the ROHS crapp.

If that turns out to be ok, then check your processor. It might over heat.
You may want to observe if the CPU fans runs at all and if it runs at full speed most the time, even if you don't run any 'heavy' programs. This usually would indicate poor heat dissipation. Most Sony Laptops have a piece of thermal foam pad is used for heat transfer from the CPU chip into the heat sink. Over time this pad shrinks, effectively impeding the heat transfer causing the CPU to over heat and intermittent shutdowns ect. I suggest, find a new piece of thermal pad or replace that with a piece of copper sheet material and use Thermalloy transfer paste.


Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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