c/computer-technicians

Just fixed a shop PC that wasn't booting, turns out it was dust on the RAM sticks

Was working on a customer's old Dell desktop in my garage last night. Kept beeping at me and showing a black screen. Spent 20 minutes swapping cables before I popped the side panel off and saw a thick layer of dust caked on the RAM slots. Blew it out with compressed air and reseated both sticks. Fired right up first try. Felt good to solve it with a simple clean instead of ordering new parts. Anybody else ever had dust cause a no boot issue like that?

Hit 500 consecutive days of uptime on a small business server last week

I've been maintaining a file server for a local accounting firm in Cleveland since 2018. Last week I checked the logs and saw it hit 500 days without a single reboot or crash. That surprised me because I built that thing from used parts I found on Craigslist. It's running an old Supermicro board with a Xeon E5 and some mismatched RAM sticks. Has anyone else had a budget build that just refuses to die?

My dad's printer repair advice actually made me rethink how I handle tickets

Last week my dad asked what I do when a client's printer keeps jamming. I started listing all the software fixes and driver updates. He just said, 'Did you check if the paper tray is loaded right?' I went back and found the paper was crooked in the tray, that was it. It hit me different because sometimes I overthink things when the fix is dead simple. Has anyone else had a customer make you realize you were making a problem harder than it needed to be?

Took me about 2 years to finally try a used server rack from a local shop in Phoenix

I always thought buying used gear was just asking for trouble with hidden failures. Last month I needed a 42U rack for a home lab setup and a guy at Phoenix Tech Surplus talked me through their testing process. They actually run a full load test and check every fan before selling. Has anyone else had good luck with a specific used equipment place?

Shoutout to the repair shop in Austin that changed my mind about refurbished parts

I went to a small shop off Lamar last week to pick up a used monitor for a client build, and the owner showed me his testing bench where he runs every refurbished drive for 24 hours straight. He pulled up a log showing a 3% failure rate on his refurbished SSDs versus 2% on new ones, which honestly convinced me to start using them for budget setups. Do you guys trust refurbished parts for customer work or stick strictly to new gear?

That one GPU driver issue that cost me 4 hours on a Tuesday

I had a client bring in a gaming rig last week that was just randomly crashing during any game. This thing was a beast, i9 and a 3080, so I figured it was overheating or something obvious. Checked temps, fine. Ran memtest, fine. Swapped the PSU, still crashing. After about 3 hours of pulling my hair out, I noticed the GPU driver version was from June 2023. Turns out there was a known conflict with that specific driver and Windows 11 update KB5029351, and rolling back the driver fixed it in 5 minutes. The client had been dealing with it for two months before bringing it to me. Has anyone else run into a driver issue that made you feel like you were losing your mind for way too long?

Warning: That all-in-one PC repair kit from Amazon stripped three screws on a laptop yesterday

I'm talking about the kit with the 60 bit magnetic driver that got rave reviews. Was working on a Dell Latitude from 2019, tried to pull a stubborn Phillips head and the bit just twisted right inside the screw head. Had to drill the whole thing out. These cheap bits with no real tempering are a scam. Anyone else had bad luck with those budget repair kits that claim to have everything?

I think drive imaging software is overrated for most small shops

I had a customer's Dell desktop die on me last Tuesday with a clicking hard drive, and instead of using the fancy Acronis image I made 3 months ago, I just cloned it sector by sector with a $30 USB dock and DDrescue. The image software failed to mount the backup because the drive letter changed somewhere during the process. Has anyone else had better luck just using raw cloning tools instead of paid imaging suites?

That tip about thermal paste application I overheard at Micro Center

Some guy was telling a friend you only need a pea-sized dot in the center, not spreading it around. I tried it on my last Ryzen build and my temps dropped 4 degrees. Has anyone else noticed better results with just one dot?

A senior tech told me to stop chasing BSOD logs and look at the hardware first

Old guy at a shop in Denver watched me spend 30 minutes digging through minidumps on a Dell Optiplex. He just walked over, pulled the RAM stick out, wiped it with an eraser, put it back. Booted fine. Said 'software is just noise until you rule out the physical layer.' Never forgot that. Has anyone else had a simple hardware fix that saved you hours of software troubleshooting?

Switched from a drill driver to an impact driver for deck screws and it was a painful lesson

I used to swear by my regular drill for everything. Then I got a new deck job 2 months ago with 3 inch screws through treated lumber. First 15 screws stripped out or broke off, lol. My buddy laughed and handed me his impact driver saying I was an idiot for not buying one years ago. Grabbed a Milwaukee M18 impact the next morning and finished the whole 400 screw deck in under 3 hours without a single strip. Has anyone else fought this battle and felt dumb after switching?

Had a chat with a security auditor that made me rethink all my RMM setups

A customer pointed out my thermal paste application was wrong and it saved me a return trip

Was doing a CPU swap on a gaming rig last Tuesday, put the paste on in a pea sized dot like always. Customer was watching me work and said "my last guy did a cross pattern and my temps were way better." I shrugged it off but looked it up later. Turns out for AM5 sockets the spread pattern matters more than I thought. Redid it with an X pattern and sure enough his idle temp dropped 8 degrees. Now I ask what socket they're using before I even open the paste. Anyone else had a customer teach you something you should have known?

Old IT guy told me to just unplug the power supply before swapping RAM, I ignored him and fried a board

Back when I was starting out at a repair shop in Boise, this grizzled old tech kept saying to always yank the power cord and hold the power button for 10 seconds before touching anything. I figured it was overkill, so I just flipped the PSU switch off and went for it. Next thing I know, there's a tiny spark and the motherboard was dead. Cost me a $120 replacement out of my own pocket. Anyone else learned a basic safety tip the hard way like that?

Spent 4 hours chasing a DNS issue that was just a bad cable

Last week I was troubleshooting a client's server that couldn't resolve any domain names. I checked DNS settings, flushed caches, even rebuilt the config file before finally swapping out a Cat5e cable that looked fine. Has anyone else wasted half a day on something that simple?

Got told I was cleaning heat sinks wrong and it saved me a ton of time

A guy at a shop in Omaha watched me scrape thermal paste off a CPU with a coffee filter and he just shook his head. He told me to use a plastic spudger first to get the big chunks, then finish with 91% isopropyl and a lint free cloth. I figured it was a waste of steps but after trying it I realized I was smearing paste around for way too long before. Now a job that used to take me 10 minutes to clean up takes maybe 3. Plus I stopped worrying about little filter fibers getting stuck in the socket pins. Anyone else got a simple tool swap that cut their bench time down?

Caught myself using canned air backwards for 5 years

I was cleaning out a dusty power supply in my shop last Tuesday and kept getting this weird moisture spray. My buddy Dave walked in, laughed, and showed me I was holding the can upside down the whole time. The nozzle is supposed to point up, not down, who knew. Anybody else discover they've been using basic tools wrong for way too long?

Vent: Wasted 2 years using thermal paste wrong on every build

I used to put a pea sized dot in the middle of the CPU and call it good. Then last month I pulled off a cooler from a 6 month old Ryzen build and saw half the chip was barely covered. Temps were hitting 85C under load and I thought that was normal. Turns out I needed to spread it thin across the whole IHS for my specific cooler. Now I do a thin spread with a plastic card and my temps dropped to 68C. Anyone else have a 'holy crap I've been doing this wrong' moment with basic stuff?

Showerthought: That $200 diagnostic tool I bought was a total waste

I picked up a fancy multimeter with all these extra features from some online store about six months ago. Cost me $200 because I thought I needed it for complex board repairs. Turns out my old $40 Fluke does everything I actually need for 90% of the jobs I do. The extra bells and whistles just sit there collecting dust in my bag. I really should have just stuck with what worked and saved that cash for more thermal paste or a good soldering iron. Has anyone else bought a tool that looked amazing in the ad but ended up being useless for your daily work?

PSA: Check your UPS batteries before they fail

Had a client in St. Louis lose 3 servers last week because their APC Smart-UPS battery packs were 5 years old. I always assumed the warning beeps would catch it. Turns out the self-test passed but the runtime dropped to 2 minutes. Anyone else seen this with older UPS units?

Spent 3 hours chasing a ghost drive that didn't exist

Ran a diagnostic on a client's PC last Tuesday and CrystalDiskInfo showed a mysterious D: drive that wasn't in File Explorer at all. Turns out it was a leftover registry entry from a dead SD card reader that Windows kept trying to mount. Has anyone else fought with phantom drives that waste half your afternoon?

Called BS on solid state drives back in 2010, now I feel stupid

I remember when SSDs first hit the market for regular people. My buddy dropped like $400 on a 120GB drive and I told him he was crazy for paying that much per gig. I was still using old 7200 RPM drives and thought they were fast enough for what I did. Then I had to upgrade a customer's laptop at the shop in Portland and popped in an SSD just to test it. Boot times went from 2 minutes down to about 15 seconds and I swear I just stood there staring at the screen. It felt like the computer was actually listening to me for once instead of taking a lunch break. Now I won't even build a system without one for the boot drive. Has anyone else had a piece of tech they fought against that ended up being totally worth it?

Hit 1000 motherboard repairs and it got me thinking

I passed 1000 motherboard level repairs this past Tuesday on a old Dell Optiplex from 2012. The cap blew right next to the CPU socket and I swapped it in 15 minutes. Never thought I'd keep count when I started fixing these things out of my garage 4 years ago. Has anyone else hit a weird milestone that just surprised you?

The moment a junior tech questioned my network cable terminations and I actually stopped to listen

It was last Thursday at a job site in Austin. A kid fresh out of trade school asked why I was using T568A pinout on a new run when the old cable looked like T568B. I almost brushed him off, but I checked the old cable and he was right. That simple observation saved me from creating a patch panel nightmare later. Has anyone else had a younger tech catch something you swore you knew by heart?

Dropped $300 on a Fluke meter and it still didn't fix my intermittent network issue

I was chasing a flaky connection at a dental office last week and figured a high end ethernet tester would nail it down quick. Still took me three hours with a cheap tone generator to find the real culprit was a bad punchdown in the patch panel. Anyone else ever buy expensive gear thinking it would save time but it just made you feel dumb?