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Practical tech articles from the Gabak USA YouTube channel: each post explains one video step by step, with the video included.
· By Gabriel
URayCoder 4K encoder setup walkthrough: put your PC on a manual 192.168.1.x address, open 192.168.1.168, log in with admin/admin, enable DHCP, configure main-stream RTMP with the YouTube URL and key, then apply and reboot. Support was unresponsive; I recommend a better encoder.
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· By Gabriel
Tour of an HP Z4 G4 set up for trading with two Nvidia 3050 cards. Needs a power adapter for the second GPU, prefers NVMe storage, and the side cover can close after removing a small locking piece that blocks tall cards.
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· By Gabriel
One computer with two Nvidia 3050 video cards drives eight monitor outputs. It runs Windows 11 Pro with 32 GB of RAM and an SSD, and stays around half RAM use with many trading apps open 24/7.
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· By Gabriel
Error 513 on the HP Z4 G4 means the workstation is not detecting the front chassis fan. The fix shown: remove the face plate, take the fan out of its plastic bracket, install the fan by itself and plug it in.
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· By Gabriel
USB cables fail past a few feet. A USB extender with a transmitter, receiver and Cat6 cable reaches 150 ft (50 m) or more for webcams, printers and keyboards; Ethernet devices are the better long-run option.
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· By Gabriel
Lower RF radiation from your Wi-Fi: set transmit power to low, schedule the radios off at night, schedule lower power by time, plus notes on Ubiquiti Amplifi and MikroTik TX power.
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· By Gabriel
Set up the GL.iNet Opal (GL-SFT1200): power it, join its Wi-Fi with the default password, open the admin panel, update, lower radio power, use WPA3 and explore VPN and AdGuard.
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· By Gabriel
Replace the Lenovo Yoga 920-13 battery with an L16M4P60: unscrew the bottom cover, unplug and swap the battery, seat the connector fully and test before closing.
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· By Gabriel
I tried to fit a Radeon RX 7900 XT in my HP Z8 G4 and it was too long, too wide and too bulky. A shorter, narrower RTX 4060 card with 16 GB fit perfectly.
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· By Gabriel
Report, block and delete spam in your WhatsApp group, then enable Approve new members in Group permissions so spammers can't add themselves.
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· By Gabriel
The Ubiquiti G4 Pro adjustable three-axis mount can get so stuck on its thread that you cannot unscrew it. Here is how I removed it with an impact driver and a big Allen key adapter.
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· By Gabriel
Start and stop recording on a Blackmagic HyperDeck from your computer with nc (Mac) or telnet (Windows) on port 9993, plus how to enable the Telnet client in Windows.
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· By Gabriel
Most YouTube videos say to test a laptop charger with a multimeter, but most modern chargers won't show voltage that way. Here is why, and what works instead.
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· By Gabriel
If your iPhone lost the ability to change lenses or zoom, and the lens options disappeared, here is when the camera module is the problem and how to replace it.
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· By Gabriel
iPhone Mirroring lets you control your iPhone from your Mac while it is on the charger or away from you. Here is how to navigate it and its limits, like phone calls.
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· By Gabriel
No more messy HDMI cables. I test a wireless HDMI transmitter and receiver with an Apple TV and a 65 inch TV: what comes in the box, how to connect it, its real resolution and range.
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· By Gabriel
Turning off efficiency mode in Task Manager only lasts until you reopen the app. Here is the permanent fix with a free Process Lasso rule for each program.
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· By Gabriel
When Apple shows "Not eligible for a refund", you still have options: a PayPal Resolution Center claim or a credit card dispute. My steps and the risks I ran into.
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· By Gabriel
The HP 14-fq1035cl has weak plastic hinges that crack. Here is why I would not fix it and what kind of laptop to buy instead.
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· By Gabriel
A 2K solar-powered 4G LTE camera you can mount with 6 screws where there is no Wi-Fi and no power. Unboxing, installation and app walkthrough.
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· By Gabriel
The easy way and the hard way to turn an old laptop or all-in-one into a monitor: video input, a USB capture card, or a panel driver board.
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· By Gabriel
Reset a forgotten Hikvision DVR password from your computer with the SADP tool and a file exchange with Hikvision support, no need to open the DVR.
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· By Gabriel
Remove the old gear, mount the AT&T modem and the 6310 with a bracket, wire them per the diagram, add the antennas and run a speed test.
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· By Gabriel
Add RAM, use compatible M.2 SSDs as cache, upgrade to a 10 gigabit network card and switch, and always check the maker's compatibility list.
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· By Gabriel
Install the Undistracted extension from the Chrome Web Store, pin it, and switch off YouTube recommendations, Shorts, comments and suggestions so you only see what you search for.
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· By Gabriel
Prevention habits first, then the cleanup: scan from a bootable antivirus, safe mode, Task Manager, System Restore and browser extensions.
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· By Gabriel
Use the Undistracted browser extension to hide the Facebook feed, Reels, stories, likes and chat sidebar, and keep only what you actually use, like Marketplace.
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· By Gabriel
Use the installer from the App Store and Apple's createinstallmedia command in Terminal to make a bootable Mac USB drive, no extra programs needed.
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· By Gabriel
Everything it took me to turn my P1P into an enclosed P1S, including the missing parts, the screw guessing and whether the upgrade is worth it.
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· By Gabriel
A quick way to make a filthy remote look good again using a fast-drying spray, Q-tips and a little patience.
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· By Gabriel
How I run one computer across four 65-inch TVs with a video wall controller: inputs, outputs, cable labels, splicing modes and the remote you must not lose.
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· By Gabriel
My experience fixing spaghetti and warped parts: the right temperature for your filament and enclosing the printer (P1P to P1S) so I no longer need glue.
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· By Gabriel
Every button on the Tesmen TLP 900A/R explained: toner and scan, phone line LEDs, PoE detection, crimp check, plus the downsides I found.
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· By Gabriel
Stop CCTV monitor burn-in for about $15: a plug-in motion sensor switches the screen on when you walk up and off when nobody is around.
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· By Gabriel
One box to stream to YouTube, Facebook, Twitch or Periscope, with SD recording and bonded internet. Watch out for firmware updates.
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· By Gabriel
Use a camcorder for a professional live stream, bond multiple connections with Sharelink, and run it on battery anywhere.
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· By Gabriel
What's in the Starlink box, how the dish, power brick and router connect, app setup and a first test of about 35 Mbps down.
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· By Gabriel
Glued speakers can't get a new battery; the Ryobi radio uses swappable tool batteries, has screws everywhere and plays loud.
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· By Gabriel
Field Nation connects IT technicians with customers like a marketplace: background check, choose your jobs, no advertising needed.
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· By Gabriel
60V FlexVolt power without a cord, a kickback brake that stops the disc in about 2-3 seconds, and why to always use guard, glasses and two hands.
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· By Gabriel
A $60, 425 VA / 260 W battery backup: great for a Mac mini, modem or switch, too small for a regular desktop PC.
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· By Gabriel
Same 1 TB, $132 vs $50. Data-center SSDs are built for 24/7 writes and steady latency; a basic SSD is fine for email, web and Office.
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· By Gabriel
Bitcoin is people's money, fiat is government money, gold is nature's money. Compare them on value, speed, supply and control.
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· By Gabriel
A basic iron struggles to remove parts; a Hakko FX-951 heats fast; a hot air station pulls components off in seconds.
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· By Gabriel
Every day without power is money lost. Use a long battery laptop, plus a small generator or a portable battery charged by car or solar.
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· By Gabriel
Before price or 4K, check manual focus, manual white balance, a microphone input and a headphone output.
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