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2012 Apple MacBook Pro 820-3115 no green light no power short on PP3V42G3H

Today I was working on the older 2012 MacBook Pro 820-3115 logic board with major liquid damage without any power and no green light on the charger.

Found short on PP3V42G3H line. Replaced the U6990 power chip that caused the short. Ultrasonic the board and Mac powered up without any other issues. Another happy ending.

If you have any questions related to logic board repair please call 561-727-5735. We are located in the heart of West Palm Beach, close to CitiPlace, downtown.

2012 MacBook Pro 820-3115 liquid damage logic board repair

Today I was working on the older 2012 MacBook Pro 820-3115 logic board with major liquid damage without any power and no green light on the charger.

Found short on PP3V42G3H line. Replaced the U6990 power chip that caused the short. Ultrasonic the board and Mac powered up without any other issues. Another happy ending.

If you have any questions related to logic board repair please call 561-727-5735. We are located in the heart of West Palm Beach, close to CitiPlace, downtown.

Dim Laptop LED Screen – F1 or F8 Fuse just below the motherboard video connector | NWA PC Help

For those looking for assistance on finding the fuse on Various models, Please provide photos near the LCD Connecter, but also near where the power charger plugs in. I am seeing the possibility that some fuses may be located over near that area.
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This applies to Dell, Sony and many other manufacturers of laptops with LED based screens.

These issues are also commonly search on as no backlight.  In most cases when you know the screen is good, it will be a power issue from the motherboard causing the backlight to fail to power up.

On the motherboard you should find a fuse labeled f1 in the case of dells, that is approximately .8 mm in depth, and 1.55 to 1.6mm in length. This fuse protects the voltage circuit to the led’s. in the case of a dell inspiron 1545, it is a 3 amp, 32v fuse, that can be replaced relatively cheaply. Make sure tho that you have isolated the cause of the fuse blowing. Good luck!

The Fuse is located on the Dell Inspiron‘s just below where the led video cable connects to the motherboard.
Use a Continuity Tester or Multimeter to confirm whether or not it has blown.  If you find any other fuses or different locations, feel free to comment, or even link to pictures of other fuse locations and I’ll approve them.

For other manufacturer’s the location is not so obvious unfortunately.

Sony Vaio VGN-TX5XN Possible Fuse locations for either LCD or charging. The two that are circled need to be tested for continuity.

sony motherboard fuse locations

SONY vaio No Backlight PCG-6121M

ASus K53

Dell XPS 1701 with blown mosfet?

looks to have a blown component but its not a fuse.

Cut the cord and leave cable TV behind

The FCC’s most recent report on the cost of cable found that the price of expanded basic cable service increased by 5.1 percent [PDF] in 2012, and additional reports show that those prices have continued to rise, unabated, ever since.

Millions of consumers are now cutting the cord that provides television services while keeping the one that provides broadband internet. The idea: Replace traditional broadcasting with video streaming and downloading services so you can access the same television programs you love via the web.

Streaming Services

The centerpiece of this strategy usually begins with leveraging streaming services likeNetflix, Amazon Prime Instant Video, and Hulu Plus, many of which provide subscribers with recently-broadcast television programming, complete seasons of past TV episodes, and multi-device compatibility so you can watch on TV, your computer, or via a mobile phone or tablet. Each service tends to have specific strengths – Hulu is more focused on current television shows, while Netflix has the best movie selection. Also, many of these services offer programs that aren’t available on other services – including original programming that isn’t available on cable TV at all – so serious cord-cutters often find they need to subscribe to a multitude of streaming systems to watch everything they want to see.

Remember that an old-school antenna is always another option. With a powerful digital antenna, network programming is free (and much higher in quality than you probably remember from the old days). Newer high-tech services, including Sling TV, Roku’s product line, and the Google Chromecast, are all options that can give you access to streaming content to help you eliminate the cable company as the bloated middleman.

Video Download Services

If you’re the kind of person that collects programs – especially movies – for repeated watching, it often makes sense not just to stream video, but to download it for the long term. Programming stored on your own hard drive isn’t dependent on having a fast, uncongested to keep it going, so it can be watched even if the cable goes offline – and once you download it, it never disappears. (Streaming service contracts are generally time-limited, so a movie available on Netflix today may no longer be streamable tomorrow.)

Video content – either movies or individual episodes of television programs – can be downloaded from several services, including iTunes, Amazon Instant Video, and Google Play. Movies can be stored on individual devices, but these can eat up a huge amount of space on a storage-strapped smartphone, particularly if the movie is encoded at HD quality. A better idea: Store movies on a NAS device that every (authorized) device in the house can access. A QNAP Turbo NAS like the TS-453 Pro can work perfectly as acentral media server for all your downloaded content – and it can also do additional jobs like storing (and streaming) your downloaded music files, home videos, and other computer files.

Accessing centrally stored video is becoming easier than ever. Smartphones and tablets will require a service-specific app, and apps like QNAP’s Qvideo or Qfile make it easy to stream video directly from your NAS. Both Qvideo and Qfile stream video stored on your QNAP NAS directly to your phones or tablets, as well as streaming directly to Chromecast devices attached to a TV, or Apple TV via Airplay. Qfile can even sync media among computers on your LAN to back up and synchronize media on all your devices.

With all these options available and more on the horizon, more and more people are discovering that there’s no reason to shell out big bucks each month for the cable company’s rising prices and poor service. Cut the cord, and leverage streaming services and downloaded video to access the movies and television programming you want, when you want it.

Apple updates Macs for first time without asking — to foil hackers – CNET

Apple updates Macs for first time without asking — to foil hackers
Apple is pushing out its first automatic security update to protect your computer from being taken over.
by Rich Trenholm

Apple patches Bash vulnerability on Macs

New Apple-focused malware uses Macs to infect iPhones
Apple downplays threat posed by Masque Attack bug
Apple iOS bug lets fake apps sneak onto iPhones, iPads
Apple mops up iOS mess with new update
Apple pulls Apple TV update amid bricking complaints
Speaking to Reuters, Apple spokesperson Bill Evans described Monday’s update as “seamless” and noted that Mac users don’t even need to restart their computers.

Apple isn’t the only company that could be vulnerable to the security bug, which was revealed Friday by the US Department of Homeland Security and the Carnegie Mellon University Software Engineering Institute. Researchers warn that vulnerabilities in a computer’s network time protocol (NTP), which sync a computer’s clocks, could allow hackers to take control of a computer remotely.

“Apple’s proactive steps to automatically remediate this particular vulnerability shows the need to quickly patch remotely exploitable vulnerabilities,” says security analyst Ken Westin of Tripwire. “However, the use of Apple’s automatic deployment tool is not without risks, as even the simplest update can cause problems for some systems. In this case the update may have been so minor the risk of affecting other applications and processes was minimal.”

Previously, Apple’s security updates have required a computer user to accept the update. The company has actually had a method to automatically update computers for two years but is only now using it for the first time.

What if someone doesn’t want automatic updates? Westin advises: “If you have a Mac system where an automatic update might introduce a problem — or you are the paranoid type — it can be disabled by going to the Apple Menu > System Preferences > App Store and unchecking Install system data files and security updates.”

Apple did not immediately respond to CNET’s request for comment.

Tags: Apple Security Computers

via Apple updates Macs for first time without asking — to foil hackers – CNET.