c/computer-technicians

Shoutout to the guy who swore by using a hairdryer on a swollen laptop battery

I was sure it was a terrible idea, but after a customer in Denver insisted it worked, I tried it on a 3-year-old Dell and it actually gave me the safe gap to pry the thing out. Anyone else had a weird trick turn out to be legit?

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ryantorres•2d ago

Just fixed a weird laptop power issue with a trick I thought was total nonsense

This Tuesday, a guy brought in a three year old Dell laptop that would only run on battery. Plug it in, the charging light would flash once and die. I spent two hours checking the DC jack, the board, the charger itself. I was ready to call it a bad charging circuit. Then I remembered an old forum post I saw once. I told the customer to leave it with me, shut it down, and held the power button for a full 60 seconds with the battery and charger both out. Plugged it back in, and it started charging like nothing was wrong. I felt like an idiot for overthinking it. Has anyone else had a simple hardware reset fix what looked like a major power problem?

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roberts95•2d ago

Why does nobody talk about the weird USB-C dock power handshake issues?

Spent a whole Tuesday at the shop trying to get a client's laptop to output video through a new dock, only to fix it by swapping the power adapter for the original one. Has anyone else run into this specific power delivery problem?

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gavinb97•3d ago

Had a client's laptop shut down every time I tilted it a certain way

I was at my bench in the shop, trying to figure out why this Dell Latitude would just die. The owner said it would cut off if he picked it up. I had it open, running a stress test, and when I went to check the fan, I tilted the case forward. It instantly powered off. I thought it was a loose battery at first, but after checking that, I noticed a tiny, almost invisible crack in the motherboard right near the power jack. The board was flexing just enough when tilted to break contact. I told the client a full board swap was the only real fix, which he went for. It was one of those things you only find by accident. Has anyone else had a weird physical flex issue like that kill a machine?

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derek_perez•4d ago

Had a Dell OptiPlex 3080 at a clinic in Springfield just refuse to boot from the network

Honestly, I was setting up a new imaging station and the PXE boot kept failing with a PXE-E53 error. I spent an hour checking the BIOS settings and the DHCP scope before I found the issue. The onboard NIC had a firmware version from 2021 that was buggy with our newer WDS server. Flashed it to the latest from Dell's site and it worked first try. Anyone else run into weird firmware problems with recent OptiPlex models?

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the_richard•6d ago

Pro tip: I was at a friend's garage in Phoenix and saw his tool wall setup for the tenth time before it clicked

He had every single cable, adapter, and screwdriver in a clear plastic bin with a big label on the front. I used to just toss my stuff in a big toolbox and dig for 10 minutes every job. Now I keep my most used computer repair tools in a $25 pegboard setup from the hardware store. It cut my setup time in half on site. Anyone else use a pegboard for their mobile kit?

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phoenixb34•6d ago

Had a client in Phoenix who refused to believe his laptop was dead

He brought in a 2018 MacBook Pro with a swollen battery, and when I told him the logic board was fried from the pressure, he just said 'it was fine yesterday, just fix it.' Happened at my shop last Tuesday. Anyone else get customers who argue with basic diagnostics?

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phoenix_grant34•8d ago

Spent a full day on a printer that just needed a cable swapped

Had a client bring in a laser printer that wouldn't connect to their network. I spent about 8 hours checking drivers, firmware, and router settings. Turns out the Ethernet cable had a single broken pin inside the RJ45 connector, but it looked fine from the outside. I only found it after testing with a cable from my own kit. Has anyone else been burned by a cable that looked okay but wasn't?

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the_miles•10d ago

Can we talk about the weird fix for a laptop that wouldn't turn on?

Had a client bring in a Dell Inspiron last week that was completely dead, no lights or anything. I checked the usual stuff, power adapter, battery, even swapped the RAM. Out of frustration, I pulled the CMOS battery for a full 30 seconds and popped it back in. The thing booted right up like nothing was wrong. Has anyone else had a simple CMOS reset fix a total no-power situation like that?

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josephmartin•12d ago

A client in Dallas swore their laptop was fried but it was just a 50 cent thermal pad.

They were ready to buy a whole new system until I popped it open and found the factory forgot one piece, so what's the dumbest fix you've found that saved a customer big money?

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gavinb97•13d ago

Just read that 60% of data loss for small businesses is from hardware failure, not malware.

I was looking at a report from a data recovery company in Chicago, and that number really jumped out at me. I always thought ransomware and viruses were the big threats, but it seems like old drives and power issues cause more trouble. On one hand, it makes sense because hardware just wears out over time. On the other, it feels like we spend way more time talking about security software than backup systems. Has anyone else shifted their advice to clients based on stats like this?

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harper_foster•15d ago

Remember when you had to actually open a case to see what was inside?

I was at a computer show in Atlanta about 15 years ago, helping a friend build a gaming rig. We bought a motherboard that the seller swore was compatible with his old RAM. Got it home, opened the case, and the slots were completely different. Had to drive back the next day and swap it. Now I just check the part number online before I even leave the house. How many times did you get burned before you started double-checking specs on your phone?

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wendyprice•15d ago

Just realized I've been using the wrong thermal paste method for years

A client brought in a gaming rig from a shop in Tampa, and their paste application was a perfect, thin square. I'd always done the pea-sized dot, but their temps were way better. What's your go-to paste method now?

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murphy.abby•15d ago

I figured out why that old Dell server in the back room kept crashing every Tuesday at 2 PM

Last month, I was at a small office in Spokane fixing a printer, and the manager casually mentioned their server would die like clockwork. I checked the logs and saw nothing. It finally clicked when I heard the hum of the floor polisher outside the server closet... the cleaning crew's heavy-duty machine was on the same circuit. Tripped a breaker every time they started it up. Has anyone else had a weird environmental cause for a tech problem that took forever to find?

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emma_dixon70•16d ago

Tried a thermal paste trick from an old forum and my temps went up, not down

I was working on a gaming PC build for a client in Austin, using a Noctua NH-D15 cooler. I read that putting a tiny dot of paste in the center of the CPU and letting the cooler spread it was the best method. So I did exactly that, used a pea-sized amount of Arctic MX-4. Booted it up and the idle temps were 10 degrees Celsius higher than expected. I had to take it all apart and reapply with the spreader tool, which fixed it. Has anyone else had a simple paste method backfire on a specific cooler?

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matthew166•16d ago

Shoutout to the old thermal paste trick on a stubborn laptop

Had a client's Dell Inspiron 15 that kept shutting down after 10 minutes, even after a full fan clean. On a hunch, I replaced the dried out paste with some Arctic MX-4 I had left over from a desktop job, and it's been running cool for a week now. Anyone have a go-to paste for laptops that get really hot?

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adamr14•19d ago

TIL those cheap thermal paste syringes from a random online seller actually work fine

I was super skeptical and only bought a 5-pack for $12 to fix some old laptops, but after applying it to a Dell Latitude from 2015, the CPU temps dropped by 8 degrees under load. Has anyone else found a budget part that surprised them?

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burns.jenny•20d ago

Just realized my go-to thermal paste syringe from the last 5 years has been failing on me for months, causing random shutdowns on three different client builds.

I finally traced a series of weird overheating issues back to a single tube of Arctic Silver 5 that had somehow separated inside, leaving me to re-paste a dozen CPUs last week after I figured it out.

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michael_jenkins39•20d ago

Serious question, ever try to fix a 20-year-old PATA drive with a USB adapter from 2010?

Pulled one out of a client's basement PC expecting corruption, but the thing spun right up and read perfectly. The adapter was the part that failed halfway through the data transfer. Anyone have a modern adapter brand that's actually reliable for legacy stuff?

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adamp31•22d ago

Just realized I wasted $300 on a thermal paste subscription box

I signed up for a monthly kit that sent different pastes and cleaning tools, thinking it would help me test what worked best. After six months and $300, I found that a basic $8 tube from the supply house performed just as well in every real repair I did. The fancy pastes made no difference for normal desktop and laptop fixes, maybe a degree or two at most. Has anyone else fallen for a tool or supply gimmick that turned out to be useless for daily work?

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jennifer_jenkins•22d ago

Changed my mind about using canned air on dusty laptop fans

I used to blast them clean, but after a client's fan bearing seized from the cold spray, I now hold the blades still with a toothpick first. Anyone have a better method for a 3-year-old gaming rig that's basically a furball?

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burns.jenny•23d ago

Just fixed a weird boot loop on a Dell Optiplex 5060 by clearing the Intel ME firmware, something I'd never tried before.

Customer brought it in, said it was stuck restarting after a Windows update. Tried the usual: safe mode, last known good config, even a clean install attempt from USB. Nothing worked. Saw a single blink code from the power LED, looked it up in the service manual and it pointed to the Management Engine. Used the Intel ME System Tools v12 from a bootable DOS USB to force a clean re-flash of that firmware. Booted right up after that. Has anyone else had to deal with Intel ME causing a hard lock like this? What's your go-to fix?

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martinez.kim•23d ago

A client told me my cable management looked like a spider's nest and it stuck with me

I used to just bundle everything up and zip tie it, thinking it was fine if the computer worked. Then a regular customer, after a motherboard swap, pointed at the back and said, 'Man, that looks like a spider's nest. How do you even know what's what?' It hit me that my work looked messy even if it ran. For the last three months, I've spent an extra 10 minutes per build, using velcro straps and routing cables behind the tray. It takes longer, but the jobs look clean and are easier to service later. Do you think neatness is part of the job, or is it just extra work if the machine runs fine?

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jordanblack•23d ago

Bought a cheap power supply tester for $25 and it cost me a whole motherboard

Used it on a client's gaming rig last week. Said the 12V rail was fine but it was actually dropping under load. Fried a $300 board before I figured it out. Never trusting those little box testers again. What do you guys use to check PSUs for real?

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miles_fisher•24d ago

Warning: I picked a cheap thermal paste for a gaming PC repair and it cost me

Had a client bring in a high-end rig with overheating issues. I could either use the premium paste I keep in stock or grab a generic tube from the shop next door to save $8. I went cheap. After the repaste, temps only dropped 5 degrees and the client called back two days later with the same problem. Had to redo the whole job with the good stuff on my own time. Anyone have a budget paste that actually works for heavy loads?

3 comments