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TST Computer Tech Solutions | Osogbo
Professional Laptop & Desktop Repairs | Windows Installation & Activation | Data Recovery | Networking | Printer Setup | Laptop Sales & Upgrades.
Press Windows + R, type 'Prefetch' to free up space on your pc
13/09/2026
Excel has hundred of shortcuts but these are ones worth knowing
Most people know Ctrl + C and Ctrl + V, but Excel has shortcuts for everything from instantly formatting cells and creating tables to jumping to the end of your data, turning filters on, filling down, and selecting entire rows or columns.
You definitely don’t need to memorize all of these at once. Pick a few that match the things you do most often, and after a while you’ll wonder why you ever used the mouse.
Save this one for the next time you’re working in Excel.
13/09/2026
🔌 USB Device Not Working? Try These 10 Solutions! 💻
🚨 USB DEVICE NOT WORKING? DON’T PANIC! 🔌
Is your USB device not detected, not recognized, or suddenly stopped working? 😟
Try these 10 step-by-step solutions to troubleshoot common USB problems. 🛠️💻
✅ Check the USB connection
✅ Try another USB port
✅ Restart your PC
✅ Check Device Manager
✅ Update USB drivers
✅ Uninstall & reinstall the device
✅ Disable USB power-saving
✅ Check Windows Update
✅ Test the USB device on another PC
✅ Check for hardware/port problems
💡 Save this post for the next time your USB device stops working!
👍 Like • 💬 Comment • 🔄 Share
📌 Follow Movie view for more Windows tips, computer tricks & troubleshooting guides!
📢 Tell a friend about TST!
Computer sales, repairs, upgrades & more. 💻🔧
Your referral means a lot to us. ❤️
12/09/2026
🚨 AVAILABLE FOR SALE 🚨
🔥 HP ENVY NOTEBOOK 🔥
Looking for a sleek, super-fast, and powerful laptop for your office, school, or personal use? This machine is ready to deliver peak performance!
📌 Specifications:
Model: HP Envy Notebook
Processor: Intel Core i7 @ 2.50GHz 🚀
RAM: 8GB High-Speed Memory
Storage: 256GB SSD (Super fast boot & app loading)
Condition: Very Clean, Well-Maintained & Laminated (Scratch Protection)
Extras: Comes with charger
💰 Price: ₦320,000 (Slightly Negotiable)
📍 Location: Osogbo, Osun State
📞 Call/WhatsApp: 09053561783
First come, first served! Send a DM or call now to grab it.
12/09/2026
Looking for a trusted computer technician in Osogbo? 💻
Whether it’s a laptop fault, Windows issue, upgrade, SSD replacement, software installation, or other computer problems, TST Computer Tech is ready to help.
Know someone who needs our service? Send them our way! 🤝
📞 07066232161 | 09053561783
📍 Osogbo, Osun State
🔧 SOLUTION: HP “BOOT DEVICE NOT FOUND – 3F0”
Here’s how I diagnosed it:
1️⃣ Opened the laptop and checked the SSD.
2️⃣ Found that the SSD wasn’t sitting firmly in place.
3️⃣ Added a small folded paper underneath it to provide extra support.
4️⃣ Powered the laptop back on — it booted normally! ✅
💡 Lesson: Always check the SSD/HDD connection and seating before assuming the drive or Windows is bad.
⚠️ Note: The paper is only a temporary support fix. The SSD should be properly secured and the connector/mounting checked if the problem returns.
Did you get the diagnosis right in the previous post? 👇
🚨 TECHNICIANS, THIS ONE IS FOR YOU! 💻🔥
HP showing “Boot Device Not Found – Hard Disk (3F0)” 😳
What’s your diagnosis? What’s the solution? 👇
Let’s see who can crack this one! 🔧💻
💻 5 Windows Run Commands Every Computer Technician Should Know!
Is your PC crashing, running slowly, having power issues, or giving you printer problems? 🤔
Before you rush to reinstall Windows, try these useful Run commands:
🔹 "eventvwr.msc" — Check system errors & crashes
🔹 "perfmon.msc" — Monitor system performance
🔹 "resmon" — Find programs using CPU, RAM, Disk & Network
🔹 "powercfg.cpl" — Access power settings
🔹 "control printers" — Manage installed printers
📌 Save this video — you may need these commands later!
Which one have you used before? 👇
📍 TOMORROW SHALL TELL COMPUTER TECH (TST)
💻 Laptop Sales • Repairs • Upgrades • Software & Hardware Solutions
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A75, Olugbeja Market, BCGA Area, Olonkoro
Osogbo