c/computer-technicians

Found a weird fix for a laptop that wouldn't boot past the BIOS splash

Had a Dell XPS 13 that would freeze on the logo screen every time. I tried the usual CMOS reset and RAM reseat with no luck. On a hunch, I disconnected the internal battery for a full minute, not just a quick pop, and held the power button down the whole time. Plugged it back in and it booted right into Windows. Has anyone else had a stubborn laptop that needed a super long power drain like that?

Had a client in Phoenix who insisted their old PC was fine after I found a failing hard drive

Last week, I ran a full diagnostic on their Dell Optiplex 9020 and the S.M.A.R.T. data showed over 1500 bad sectors. I told them it was a ticking time bomb and needed a replacement drive immediately. They refused, saying it 'felt fast enough' and didn't want to spend the $80. Has anyone else dealt with clients who ignore clear hardware warnings until it's too late?

Am I the only one who misses the old days of needing a full set of physical driver discs for a clean Windows install?

Now I just keep a single 32GB flash drive with Ventoy and every ISO I might need, which is way easier but feels a bit less like solving a puzzle, you know?

I finally saw the difference a proper thermal paste application made on a gaming rig that kept overheating.

After redoing the paste on a client's PC with a pea-sized dot instead of the huge glob they'd used, the CPU temps dropped from 95C to 72C under load in just one afternoon, so what's your go-to method for applying it?

I was using canned air wrong for years and didn't know it

I was cleaning a dusty gaming PC for a client in Austin last week and kept spraying the fans while they were spinning. The client's kid pointed out that it can back-feed voltage and hurt the motherboard. I looked it up and he was totally right. Has anyone else made this mistake, or do you have a better way to clean fans without taking them out?

Had a client's server in a law office go down because of a bad RAM module. Took me 3 hours to isolate it in a 4-node cluster.

Working on a 2005 Dell Optiplex in my first shop job taught me to always check the basics first.

I was in a small repair shop in Albany, convinced a whole motherboard was dead. I spent an hour swapping parts before my boss walked over, popped out the CMOS battery for ten seconds, and put it back. The thing booted right up. I felt like a total rookie. Now I keep a pack of CR2032 batteries in my kit. Anyone else have a simple fix that saved them from a huge mistake?

Pro tip: I used to think thermal paste spreaders were a waste of money

Had a client's gaming rig overheating after a CPU swap last week. I always just used the pea method. My buddy in Austin swore by a cheap $8 spreader tool, so I tried it. The temps dropped a solid 10 degrees under load. Anyone else find a small tool that made a big difference you didn't expect?

I was using the wrong screwdriver for laptop hinges for years

A client brought in a Dell Latitude with a wobbly screen, and I grabbed my usual Phillips #1. After stripping two screws, I noticed the heads were actually JIS, not Phillips (they look almost the same). I ordered a Vessel Megadora JIS #1 driver for $15, and now those hinge jobs take half the time with no damage. It was a small detail I never checked before. Has anyone else run into this with specific brands?

Finally got the nerve to try a full reflow on a dead GTX 1070

Had this old Zotac card from a customer's build that just gave up... no post, no fans. The choice was either to junk it or try a reflow, which I'd only seen in videos. Borrowed a buddy's hot air station, set it to 385 degrees, and went for it. It actually booted up after cooling down, and it's been running a stress test for 3 hours now. Anyone else had luck bringing a card back this way, or is it always just a temporary fix?

The shop I work at went from 5 callbacks a week to maybe 1 after we started doing this one thing

About 4 months ago, the owner got us all to start using a simple checklist (like a physical paper one) for every single repair ticket, even the 'just needs a new drive' jobs. It felt like a pain at first, you know? But the before-and-after is crazy. We used to miss stuff like loose cables or forgetting to set the boot order, stuff that would have people bringing their machines right back. Now we catch it before they leave. Has anyone else's shop had a big drop in callbacks from something simple like that?

Vent: An old guy at a flea market in Austin told me 'you fix the box, but you gotta talk to the ghost inside' after I explained a weird RAM issue.

He was talking about user error and software gremlins, and now I always ask 'what changed before it broke?' first, saving me like 2 hours of hardware diag last week, anyone else have a weird phrase that changed their troubleshooting flow?

Spent 4 hours on a laptop that wouldn't boot, the fix was a weird BIOS setting

Had a Dell Latitude come in that was stuck on a black screen with a blinking cursor, no matter what I tried. I swapped the drive, tested the RAM, even reflowed the board thinking it was a hardware fault. After like 4 hours, I found a hidden BIOS option called 'USB Boot Support' that was set to 'Disabled' for some reason. Flipping it on let the drive boot right up. Has anyone else run into a random BIOS toggle causing a total no-boot like that?

Just got hit with a fake support call scam that almost worked

Last week, a guy claiming to be from 'Microsoft Security' called my shop in Austin, said our business account was flagged. He knew my name and the shop address, which threw me off for a second. Anyone else getting these more targeted calls lately?

Vent: I was fixing a water-damaged laptop at a client's house in Sacramento and their cat jumped on the keyboard, shorting the board completely.

Now I always ask if there are pets in the house before I start any on-site repair, but does anyone else have a good way to keep curious animals away from your work area?

Got a call from a law firm in Austin that lost all their case files

They had a RAID 5 array with two drives down, and the backup was from six months ago. I spent two days running recovery software and managed to pull about 90% of the data. The lead attorney looked like he was about to cry when I told him. Has anyone else had a close call with a business that just stopped checking their backups?

A client in Dallas had a power surge fry three machines at once

Now I always carry a basic surge protector in my kit to test outlets before plugging anything in. What else do you guys keep on hand for unexpected site issues?

Remember when you had to actually open the case to check the fan?

I was at a client's house in Phoenix, working on their gaming PC that kept shutting down. The software said the CPU temp was fine, but the machine felt hot to the touch. I popped the side panel and saw the CPU fan was completely still, even though the system booted. The fan header on the board had a bent pin from a previous build. I carefully straightened it with a pair of tweezers, plugged the fan back in, and it spun right up. Anyone else run into a sensor giving a false 'all clear' like that?

Appreciation post: I finally started using a proper label maker for client cables

I always just used masking tape and a sharpie for years, thinking it was fine. Then I spent 45 minutes tracing a single network cable in a messy office rack last month. Bought a basic Brother P-touch and now every cable gets a tag with the client name and port number. What's your go-to method for keeping track of cables?

My neighbor's kid just told me I was wrong about static electricity

I was fixing his laptop and went to grab a RAM stick from the bag on my couch. He stopped me and said, "My teacher said you need to touch the metal case first, not just the bag." I've been doing this for eight years and always just touched the bag. It made me stop and actually look it up, and he was right. How many other little habits do we have that are just slightly off?

Had a client ask me to fix their 'broken internet' by cleaning the mouse ball

This older lady called me out last Tuesday because her email wouldn't load. I get there, and she points at her wireless mouse and says, 'The little ball inside must be dirty, that's why the internet is slow.' I had to explain that her mouse hasn't had a ball for about 20 years and that her Wi-Fi router was unplugged. She was totally serious, and it made me realize how much basic tech knowledge we take for granted. We just assume everyone knows what a router looks like now. I spent an extra 30 minutes drawing her a simple picture of her home network setup so she wouldn't call me for that again. What's the most outdated tech fix someone has asked you for recently?

My old boss insisted on using canned air for every dust job, but a buddy in Denver swears by a $80 electric blower.

After the canned air froze a sensor on a ThinkPad T480 last winter, I'm starting to think he might be wrong, so what's your go-to method for a deep clean?

Rant: A client in Denver swore their old PC was fine until I showed them the dust clog from 2011.

I pulled a solid brick of dust and cat hair out of the heatsink last week, and the CPU temps dropped by 40 degrees after a simple clean.

Finally figured out why those weird network drops kept happening at the same time every afternoon

Turns out the office microwave was on the same circuit as the main switch, and when everyone heated lunch at 12:30, it caused a tiny voltage sag. I moved the switch to a dedicated line and the problem vanished. Anyone else had a client's appliance mess with their network gear?

Found a weird fix for a laptop that wouldn't boot after a coffee spill

Cleaned the board with isopropyl, but it was still dead until I gently flexed the motherboard near the power rail while hitting the button. Has anyone else had a board with a hidden crack that only shows up under pressure?