1. Jeff Krantz the Computer and Electronic Guru

0

Tarzana, CA

Jeff Krantz the Computer and Electronic Guru

5.0 (35 reviews)
Closed • 9:00 am - 10:30 pm

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5 months ago

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3 years ago

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4 years ago

Always available to help with computer problems. He goes beyond to make sure the problems are solved!

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5 years ago

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7 years ago

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9 years ago

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6 years ago

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11 years ago

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10 years ago

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11 years ago

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5 years ago

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13 years ago

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6 years ago

A guru indeed!! He quickly got my whole house router up and working.

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6 years ago

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7 years ago

Jeff is brilliant at solving computer issues. His help was invaluable.

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10 years ago

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6 years ago

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8 years ago

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12 years ago

Very helpful! He comes straight to you and FAST! He was great! I will be calling him again!

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8 years ago

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9 years ago

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12 years ago

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Review Highlights - Jeff Krantz the Computer and Electronic Guru

“I have definitely become a better genealogist since we got in touch, and I'm so proud to call him my cousin.”

Mentioned in 2 reviews

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MAC & PC Computer Repair - Screen fell from computer

MAC & PC Computer Repair

(192 reviews)

Reseda

My PC, which I have had for a little more than 6 years stopped working over the weekend…read more I contacted Joseph through Yelp and he responded right away. I was dropping off my PC to his shop within minutes. He diagnosed it and told me that it was my hard drive. He told me what my options were and was very truthful about what I needed. I appreciate his honesty and did not upsell me. I picked up my PC the save day with a new hard drive, new OS and my data drive in tact. I highly recommend Joseph for your IT needs and computer repair work. He saved me time and money. Thanks Joseph!

I came here because my laptop wasn't charging or none of the ports were connecting to any hardware…read more I left my laptop here for a while (maybe a month and a half) because I didn't have the money at the time, but Joseph assured me that he fixed the problem. I finally paid the price ($300) and when I came to pick up to laptop, all he did, was connect to it to a plug to show that the port was receiving power/energy. Literally the next day, the problem still persisted. If the computer was on, and I plugged it into a charger, nothing would happen. The only time it would charge was if I turned the computer off and left it plugged in. But it takes about 8-10 hours to reach a full 100% charge, and the battery dies within 2 hours. So much so, in my frustration, I presumed it must've been a battery issue. I tried to workaround it, but it's unbearable to work on a computer for 2 hours before having to charge it the entire day just to work for 2 hours again. I paid $300!!!!!!!!!!!!! & the problem was not fixed. Not only that, when I got my laptop back, my laptop speakers were blown out. WHEN I BROUGHT IT BACK TO HIM A WEEK LATER TO FIX THE ISSUE, HE INSULTED MY WIFE WHEN SHE ASKED IF WE WOULD BE PAYING ANYTJING ON TOP OF THE $300 WE ALREADY PAID BY INSINUATING/ASKING IF SHE WAS JEWISH BECAUSE "THEY" EXPECT THINGS FOR CHEAP/FREE. () HUHHHHHHHHH?!?!?!? Why would pay again for a service we paid for, that wasn't done/fixed???? I mentioned to him if he could check to see if the battery also needed to be changed. He then had the laptop for another 10 days, with no communication about the status of the previous job (the charging ports) and when I finally reached out to let him know I was coming by to just pick the laptop up, he responded quickly and told me that before coming, he needed to confirm whether the battery needed to be changed... ---- what were you doing the previous 10 days you had it????? The charging ports, which I brought the laptop back a 2nd time, STILL WAS NOT FIXED & it also feels like the battery diagnosis would've been noticed if the job was done properly, by CHARGING the computer FULLY. Overall, this was a terrible experience. I paid $300 with money I don't have, and my laptop is still broken. There is no warranty, I have to go to an official store and pay another $300 to get the job done properly, and my wife was insulted as he laughed it off. There are plenty of 5* reviews, but I would caution you to read the other 1* reviews here. I am not the only one to experience anything like this. I don't ever leave reviews, but everytime I turn on my laptop and the charger chord is plugged in and it's not charging, I get reminded and angry. This is not a store. This is someone in a garage, who used to be in the tech world, who has plenty of computers as inventory, who takes the parts from used computers and puts them in yours. Again, there is no warranty, and he is liable to take your money while claiming he fixed it, hoping the part doesn't die out in the next few months. Terrible experience. $300!

Watt Computer Repair - White Gaming Build

Watt Computer Repair

(290 reviews)

Chatsworth

For the last week or so our office computers have been very slow, and our wifi and printer haven't…read morebeen working properly. This has caused a lot of stress for our business. We decided to call Watt Computer Repair to book an appointment in hopes they could solve the problems we'd been having. A couple of days later Dory showed up, on time and clean cut with a smile and lots of knowledge. He upgraded our two main desktop computers, fixed our wifi and fixed our printer pretty quickly!! It was affordable and high quality work so I would definitely recommend Watt Computer Repair to any of my friends or family.

Dory was the person who helped me out with my request to repair a gaming console. A handheld in…read moreparticular called the legion go S among many others on the market. I had an accident where I stepped on my legion go s screen and it shattered. I didn't expect it to break the entire screen, but only crack a portion of the screen. The fragility of the screen is significantly worse than I thought. I talked with several other tech repair shops and either they did not answer my request for a quote, took way too long to answer or gave a response that they could do nothing about handheld repairs, some gave bad replies. He was the best of 8 different tech repair shops I have encountered and not only the best, it was a landslide better than the competition. The only real issue I had was a very high price premium to fix my device. It was about half of what the actual device cost. Of course I got it on sale for about 700$. The service, labor and total cost to repair was $335. So, almost half of what I paid for the device at Best Buy. I learned not to place this fragile handheld on the ground to prevent it from getting damaged again. Overall satisfied with the outcome and Dory did fix it. Personality was good and time to fix was roughly 2 hours. Parking lot structure is terrible, not enough space and many other places nearby. There are other parking structures as well but it may get towed or even scratched due to compact spaces. Also a little unsafe as there are some loitering. Overall, It's good but not the greatest in terms of value but Dory been doing this for many years roughly 15 as I recall.

Sacred Cow Studios - Business Card Design

Sacred Cow Studios

(139 reviews)

Sherman Oaks

My website was recently hacked for the second time, and I honestly didn't know where to turn. My…read morewebsite developer had told me on multiple occasions that everything had been cleaned up, but my website was still being blocked, and anyone using Spectrum was unable to access it. I found David online, and he was a lifesaver. He immediately went to work, found everything that had been compromised, cleaned it all up, and within two days I was able to get my website back up and running and get back to business. My only regret is that I didn't find David sooner. I hope my website never gets hacked again, but knowing I have David to turn to gives me a lot of peace of mind. If anything happens in the future, I know I have someone who can quickly figure out what's wrong and get it resolved. I highly recommend David to anyone dealing with a hacked or compromised website.

STAY AWAY If you are looking for professional and reliable web development services. We had a quite…read moredisappointing unprofessional experience with this group, specifically with David Kamjoo. Almost feels like many of the reviews on here are fake. We hired them to add several new pages and landing pages to our existing website. We explicitly defined our scope of work and expected timeline to launch our website from the beginning. Many of the items we sent to David were lost in emails even after multiple rounds of Zoom calls and him recording. We worked with David and his developer, which happens to be some person outside of the US, for about 3 weeks. Eventually nothing was completed for us to launch on our existing website. After rounds of back and forth with content that we supplied and many emails asking for various items all the time, David started asking for more money and complained that wanting to launch our new pages after 3 or 4 weeks was too much for him to handle and that he was not able to work under this kind of pressure. We had no issue paying him more money as it was way cheaper to begin with (just like his service) however, it seemed like he knew he was not capable of delivering something professional after all and decided to quit. We agreed to receive our money back and part ways. Our wasted time and frustration will never get sompensated and it was clear that our time and trust to this business did not mean anything to this team. Basically zero customer service. More importantly, we really didn't appreciate the fact that they use cheap labor from some other country with language barriers and only act as a middle person. We specifically didn't want this type of service as we had interviewed several other developers on Upwork and other freelance websites, but eventually ended up getting the same level of service at a more expensive price. Basically nothing is done in house, David is just the face. Rarely inclined to leave negative reviews but unfortunately this is a fair observation based on the service that was provided to us. If you are looking for reliable trustworthy web development service, I strongly recommend staying away from this business - it's almost a scam and you will regret the time and money you spend here.

Jeff Krantz the Computer and Electronic Guru - itservices - Updated October 2026

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