Sony VAIO VGC-RB64G Not Turning On

mvalencia2003
mvalencia2003 used Ask the Experts™
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I got a Sony VAIO VGC-RB64G , when I turn it on the fan starts spinning very loud and after a few seconds (maybe 3-4) a constant non stop beep starts.

No picture on the monitor ...
I did get it to turn on once (but thats about it)

What could be the problem?
Thanks
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Business Consultant (Owner)
Most Valuable Expert 2012
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Commented:
It sounds like the CPU is not starting at all (gets hot, fan runs, then beeps).

If it has a CD Rom bay, try starting it with a bootable CD. My guess is it still will not start.

Many computers will boot to BIOS by holding down the F1 key. Can you boot to BIOS? Again my gues is probably not.

Shorter answer: Motherboard/CPU problem. .... Thinkpads_User

Author

Commented:
I tried F1 , F8 , DEL ...
no boot to anything ... in fact , nothing even shows on screen ...
JohnBusiness Consultant (Owner)
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Commented:
So if you cannot boot to BIOS, that means the hard drive is not the issue.

If you can open the machine (some little door) it may have 2 memory modules. If it has two, you can try removing one to see.  It takes more disassembly, but if it has two, you can try them both, one at a time.  

Odds are that the motherboard/CPU has failed.  ... Thinkpads_User
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Author

Commented:
there is 4 RAM slots inside PC , only 2 RAM modules installed ... I moved RAM to empty slots , same problem ...

Author

Commented:
if CPU/motherboard has failed ;

both have to be replaced?  or just get new PC?

Thanks

Commented:
have you tried without the battery ?

Author

Commented:
battery?  is a desktop
JohnBusiness Consultant (Owner)
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Commented:
It is generally not economical to replace a motherboard and I usually use this as an opportunity to upgrade the computer.
remove 1 of the memory and check...and then with another..
JohnBusiness Consultant (Owner)
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Commented:
If you read the thread, we have already suggested that.
Gerwin Jansen, EE MVETopic Advisor
Most Valuable Expert 2016

Commented:
Hello mvalencia2003, is it possible for you to disconnect all hardware from the mothterboard like, DVD drive, harddrive, keyboard, mouse and remove all memory modules as well? Please have a look at the CPU fan / cooling block, is it full of dust or has it maybe become loose in some sort of way? After you've determined the CPU fan / cooling block looks OK and all hardware is disconnected, try starting up. Any difference in behaviour? Does your system have 2 fans btw, a case fan and a CPU fan? Which one is making the loud noise?

Author

Commented:
booted to windows with 1 memory module...

did a shutdown , unlug , reconnect ... booted to windows once again ...

Author

Commented:
*unplug*

Author

Commented:
nevermind , PC was on with 1 RAM module ... suddenly turned off , no display ... also no beep now ...

Author

Commented:
why would CPU / motherboard go bad?

Thanks
Gerwin Jansen, EE MVETopic Advisor
Most Valuable Expert 2016
Commented:
>> why would CPU / motherboard go bad
There are lots of reasons for that, components (like capacitors) go bad after some time, CPU's can only dissipate a certain amount of heat. When cooling capacity goes down (like due to dust), CPU's can overheat -> motherboards / BIOS tend to warn you for that btw.
JohnBusiness Consultant (Owner)
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Commented:
>>> why would CPU / motherboard go bad?  <--- As above, and also that I have had this happen to me. In my case, I had to put the drive into an external carrier to recover my data.

.... Thinkpads_User
Commented:
Either its a bad motherboard (most likely) or bad video.  Sometimes the system can turn on but because the video is shot (most likely because the motherboard if its integrated) the system won't turn on.  It's probably the board and would need to be looked at by sony, but depending on how much you paid for the system you might as well get a new one because repair costs will be crazy unless you can find a new motherboard online and replace it yourself which shouldn't be to hard.
Top Expert 2013

Commented:
best download ubcd, and run some diags to be sure about the basics - Ram and disk diag
http://www.ultimatebootcd.com/      
run memtest86+ to test your ram, and the disk diag for your diak brand

you can also test if the hardware is ok by booting from a live Knoppix cd :

ftp://ftp.gwdg.de/pub/linux/knoppix/KNOPPIX_V6.7.0CD-2011-08-01-EN.iso     

another way i susing the minimum setup described in this article :
http://www.experts-exchange.com/Hardware/Components/Motherboards/A_1945.html                  (Short-overview-of-how-to-troubleshoot-bad-hardware-when-a-pc-does-not-post)
JohnBusiness Consultant (Owner)
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Commented:
mvalencia2003 - Any follow-up from you on this? ... Thinkpads_User

Author

Commented:
gerwinjansen,

the fan making loud noise is the one where CPU is.
there is only fans , this one and the one on back of case.

well also the one on power supply , guess this makes 3.
Top Expert 2013
Commented:
if the cpu fan makes loud noise - it can be because the cpu get's too hot (= does not cool enough) or the fan is bad
to monitor the cpu temps, you can install speedfan :  http://www.almico.com/speedfan.php
Gerwin Jansen, EE MVETopic Advisor
Most Valuable Expert 2016

Commented:
Can you see if the the CPU fan + cooling block have become loose from the processor? That means the cooler is not working properly (cpu=hot), you should mount it again. Ask someone with knowlegde about it because you will have to (re)apply the (small amount) of cooling paste between the processor and the cooling block.

@nobus: the machine is not turning on so monitoring is not possible (yet).
Top Expert 2013

Commented:
@ latest - "booted to windows with 1 memory module..."
Gerwin Jansen, EE MVETopic Advisor
Most Valuable Expert 2016

Commented:
@nobus - Yes and after that "nevermind , PC was on with 1 RAM module ... suddenly turned off , no display ... also no beep now ." and "*unplug*" :)

@mvalencia2003 - Some confusion...  Are you able to boot your system now or not?

Author

Commented:
not anymore ... it booted twice with one ram module , but no more ....

will try again ..
Thanks again
Top Expert 2013

Commented:
remove, inspect , and reinstall all cards and devices - it can help
did you use the minimum setup?
Gerwin Jansen, EE MVETopic Advisor
Most Valuable Expert 2016

Commented:
Try another memory module if you can, check whether your PC can boot with only one module, in some setups you need 2 modules. Details should be in your PC manual.
Press f8 when booting when options come up press tab to select windows memory diagnostics.(this may take awhile).

Author

Commented:
Thanks all
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
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Commented:
Thank you, and I was pleased to help out. .... Thinkpads_User
I'm confused what worked for you? Did you replace memory or did you replace your cpu fan?
If your cpu fan has failed and it gets to hot your computer will shut down.This is a feature in most bios's.

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