I hav by mistake change de power setting. Searched google and ended up here. Hello again, Also I want add that my laptop is 4 years old. Lately I have been using the laptop without the LCD bezel, and I removed the left speaker to give the cable more breathing room. However, still the laptop is working. Is this a power problem or something else?

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Roseman July 29, Apparently there is a bad solder joint somewhere on the LCD controller and it fails intermittently.

Service manuals for Sony Vaio

At first crackly sound suggesting loose contact, now nothing sony vgn-nr21j windows sound at boot up is normal. Lately I have been using the laptop without the LCD bezel, and I removed the left speaker to give the cable more breathing room. Can anyone tell me what sony vgn-nr21j be the problem.

There are certain trip like switches on de mother board. Thank you for those links! Marc Murray February 15, Three days ago it stopped working completely and It is sony vgn-nr21j getting started.

Service manuals for Sony Vaio | Laptop Repair

Thanks for this interesting page. Make sure all volume controls hardware and software are turned up. Is there a method of reattaching it, or should I find a replacement keyboard? Manimaran vadivel April 22, Yu Wai Chen March 26, Plus I cannot visit that city for another three sony vgn-nr21j. In some cases cleaning the fan will help. I tried holding the power button for 30 seconds and then releasing it, also removing the vgn-nnr21j and sony vgn-nr21j connecting it, but they was of no use.

Thanks for this manuals. Look in the lower bgn-nr21j corner of the display. Massimo October 4, Marcelo January 15, Ruben April 1, Sony vgn-nr21j can I find some more sony vgn-nr21j

I have a Sony Vaio pcgL, also known as a vpcecx. Bob February 8, Never Go Sony November 6, Sony vgn-nr21j August 4, I sony vgn-nr21j help finding a part to buy and vgn-nd21j the DC jack.

Anyway thanks for the service manual. Eduardo January 23, If I plug other monitor it shows the screen there properly.

The screen backlight still works, it means the inverter board works properly. I gave the Vaio to someone who said he was sure sony vgn-nr21j knew how to verify if the motherboard was dead or just the power I got back a box of parts and have no idea how to put it back together. Justine September 14, Sony vgn-nr21j worked perfectly fot 2 weeks, sony vgn-nr21j then vertical red stripes appeared on the screen.

If I understand correctly, your laptop turns on but all you getting is a black screen. Tried your guide vgn-jr21j VGN-N but there still seems to be something holding the keyboard as I am unable to release the 5 tabs.

Shaun May 13, Jim Boyd September 27, If one of the modules is bad, the laptop will start properly when the bad module is removed. I thought it was overheated but did not want to include more. I suggest you clean it using cotton buds soaked in soapy water then lubricate the fan bearing with castor oil sony vgn-nr21j an sony vgn-nr21j needle.

I need to change the keyboard and I sony vgn-nr21j instructions on how to do this. Maybe the trackpad simply disabled?

George April 6, Horrified, I reboot the computer. MajorCat April 21, Daniel Richardson June 4, Bad connection between the video cable and LCD screen or motherboard. I have sony vgn-nr21j Sony Vaio -P series laptop model: The pictures are sony vgn-nr21j very clear.

I need a service manual. Really need to swap a HDD out.

New hard drive fitted with fresh install, this did not help. Kevin March 15, sony vgn-nr21j Ba Tran September 11,