Laptop Alive After Removing Resistor(?)

[fexxx]

Hi,

My laptop (3 years old) was not turning on so I replaced the jack and borrowed a known to be working cable. This did not fix the problem but with the new cable I did see that the voltage on the board where the power inputs was fluctuating where as my own cable didn't produce anything. Moments later with the borrowed cable in a resistor(?) sparked so I thought the motherboard was fried. Not caring about the outcome, I broke the resistor off and checked the voltage and it was working. I put everything back together and it boots just fine.

All I need to do is work out what I broke off and how big a problem it is but I don't know how to identify the component I broke off and I don't know whether it does tie in with the PQ20 transistor. Any help would be much appreciated

Also, I discovered my own cable does work.


http://imgur.com/UE7Ohn1
http://imgur.com/tzsNCk6
http://www.s-manuals.com/pdf/motherboard/compal/compal_la-6901p_r2.0_schematics.pdf (page 49 PQ20)

 

[Cristi72]

Hello,

The broken component is a capacitor; except some slightly worse high-frequency filtering, it will be OK.

I guess its electrical insulation got compromised and it developed a short-circuit. When you used a more powerful power supply, the capacitor blew away.

 

[fexxx]

Hello,

The broken component is a capacitor; except some slightly worse high-frequency filtering, it will be OK.

I guess its electrical insulation got compromised and it developed a short-circuit. When you used a more powerful power supply, the capacitor blew away.

Thanks for that. Curious.. where do I go about sourcing a replacement ? Searching for motherboard capacitors doesn't lead me to any components that look like the one that broke off

 

[Cristi72]

Thanks for that. Curious.. where do I go about sourcing a replacement ? Searching for motherboard capacitors doesn't lead me to any components that look like the one that broke off

http://www.vishay.com/capacitors/ceramic/ceramic-multilayer-smd/