Thursday, May 26, 2011

LCDs and DC Jacks, Two Lucrative Laptop Repairs

Two of the most common problems that customers bring to repair other that viruses are damaged LCDs and broken DC Jacks. Here in Southern California I can charge upwards of $145 for a installed replacement LCD and $95 for an installed DC Jack. I usually jump on Google Shopping,  eBay, or locally on Craigslist for the best part prices.  Both issues are easy to diagnose.
A cracked LCD will show the tell tale black 'ink blot' when held at an angle to the light. The lights and sounds on the laptop will work and the screen may even be very dimly lit but will display nothing. Replacement is as easy, but varies by model. Remove the bezel (the plastic frame around the LCD) and the 2 or 3 cables connecting it to the board. If your unsure of how to disassemble the laptop there are a plethora of videos across Youtube with specific instructions. Only tools needed are a small philips and flathead  screwdrivers.
If the laptop is not charging (look for the indicating led) or will not turn on, the problem could be the jack. The problem is obvious when the jack is jammed inside or moves freely when plugged into the AC adapter. DC Jack repair involves removing the motherboard. There's about 25-40 screws to take out holding the laptop together and the board inside. Be alert and remember where the 10 or so wire cables connections were pulled from. Grab the jack with a pair of pliers and gently pull side to side as you heat the solder on each pin connecting it to the board. Use a desoldering tool the suck out the excess solder left over. Seat the new jack flat against the board and solder it secure.

56 comments:

Computer Repair Chevy Chase MD said...

Hi friends,

Thanks for sharing nice video about how to replace laptop LCD. Replacing the LCD screen in a laptop is not too hard. If you are able to use a few basic tools, pay attention to detail and are patient, you can successfully replace the screen in about an hour.

Computer support specialists said...

I'm pretty sure the Sony LCDs have glass in front of the LCD, so that's probably what broke. These days it would probably be cheaper to buy a new one if your time is worth anything.

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My nephew and his cousin broke our LCD monitor at home. I didn't immediately throw it yet and asked the service center if it can still be fixed. Although it can still be repaired but the price is sort of like buying a brand new monitor. So, I just have to buy a new one to replace the broken ones.

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Yeah, that's what my LCD screen look like at your picture. I went to the service center where I also bought the monitor, and asked if they can still fix it but I had to decide to buy a new one instead.

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