Do I.T. Yourself

DIY Computer Repair Tips, Tech Help, and Self-Help Tutorials

Want to fix simple computer problems on your own before calling a tech? This Do I.T. Yourself page gives you practical computer repair tips for slow PCs, Mac problems, screenshots, Wi-Fi issues, deleted files, virus concerns, printer problems, and basic troubleshooting.

Use these guides when the problem is safe to try yourself. When the issue involves malware, data loss, business downtime, or anything you cannot risk making worse, Half Price Geeks is here to help.

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Schedule a Geek Call 877-774-3357 Remote Computer Repair
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Learn It. Try It. Know When To Stop.

You have got I.T. — but you do not have to do everything alone.

Half Price Geeks believes computer repair should be easier to understand. Some tech problems are simple enough to try yourself. Others need a professional because one wrong click can lead to data loss, security problems, or expensive downtime.

This page is built to help you troubleshoot common issues in plain English. Start with the easy steps, watch for warning signs, and call us when the problem gets risky.

For full service help, visit our Computer Repair Services page or see our Repair Rates.

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Do it yourself computer repair tutorials and tech support help from Half Price Geeks
Important: Do not keep clicking popups, payment warnings, fake support alerts, or unknown downloads. If you think your computer has malware, stop entering passwords and call 877-774-3357 or use our virus removal service.
Quick DIY Topics

Popular computer repair problems you can start checking now

Start with these simple self-help areas. Each one gives you safe first steps and tells you when it is time to call a professional.

Slow Computer Help

Check startup programs, storage space, browser tabs, updates, and malware before replacing the computer.

View slow computer tips

Virus and Malware Help

Learn what to do if you see popups, fake warnings, redirects, password alerts, or strange programs.

View virus removal tips

Wi-Fi Troubleshooting

Restart the right devices, check signal strength, test another device, and know when it is a router issue.

View Wi-Fi tips

Mac Help

Speed up your Mac, manage storage, check Activity Monitor, update macOS, and remove unused apps.

View Mac tips

Deleted File Recovery

Check the Recycle Bin, backups, File History, Time Machine, and stop using the drive if files are critical.

View file recovery tips

Printer and Setup Issues

Check cables, Wi-Fi, print queue, drivers, default printer settings, and printer restart steps.

View printer tips
DIY Tutorials

Step-by-step tech help

Open each section for simple instructions. If you get stuck, Half Price Geeks can help remotely or onsite where available.

How to take a screenshot on a Mac

Use these keyboard shortcuts to capture your Mac screen:

  • Full screen: Press Shift + Command + 3.
  • Selected area: Press Shift + Command + 4, then drag around the area you want.
  • Window screenshot: Press Shift + Command + 4, then press Space, then click the window.
  • Screenshot toolbar: Press Shift + Command + 5 to open more screenshot and screen recording options.
  • Touch Bar: Press Shift + Command + 6 if your Mac has a Touch Bar.

Most screenshots save to the desktop unless your settings have been changed.

How to remove a virus or malware from your computer
If you see fake support alerts, bank warnings, gift card requests, or popups telling you to call a number, stop and call a trusted tech before entering passwords.
  1. Disconnect from the internet if you think the computer is actively infected.
  2. Close browsers and stop any unknown downloads.
  3. Restart the computer in Safe Mode if you know how.
  4. Run a reputable antivirus or anti-malware scan.
  5. Quarantine or remove anything detected.
  6. Restart the computer and scan again.
  7. Change passwords from a clean device if you entered passwords while infected.
  8. Check browser extensions and uninstall anything unfamiliar.
  9. Clear browser cache and remove suspicious startup items.

If the popups return, the computer is still slow, or you are not sure what was removed, use our Virus Removal service or call 877-774-3357.

How to fix a slow PC

A slow computer does not always mean you need a new one. Try these steps first:

  1. Restart the computer to clear temporary memory issues.
  2. Open Task Manager with Ctrl + Alt + Delete, then check CPU, memory, and disk usage.
  3. Close programs you are not using.
  4. Disable unnecessary startup apps.
  5. Free up disk space by removing old files and unused programs.
  6. Run Windows Update and driver updates.
  7. Check for malware or unwanted browser extensions.
  8. Consider upgrading from a hard drive to an SSD if the computer is older.

If the computer is still slow after cleanup, Half Price Geeks can check whether it needs malware removal, memory, an SSD, software cleanup, or a full tune-up.

View Computer Repair Services

How to troubleshoot Wi-Fi connection issues

Try these steps when Wi-Fi keeps dropping, running slow, or refusing to connect:

  1. Make sure Wi-Fi is turned on for the device.
  2. Restart the computer, phone, or tablet having the issue.
  3. Unplug the modem and router for at least 30 seconds, then plug them back in.
  4. Test another device on the same Wi-Fi network.
  5. Move closer to the router and check signal strength.
  6. Run a speed test to compare wired and wireless performance.
  7. Forget the Wi-Fi network and reconnect with the password.
  8. Update the device and router firmware if available.

If only one device has trouble, it may be a device issue. If every device has trouble, it may be the router, modem, cabling, or internet provider.

Ask about remote troubleshooting

How to recover deleted files
If the missing files are extremely important, stop using the computer or drive. Continued use can overwrite deleted files and make recovery harder.
  1. Check the Recycle Bin on Windows or Trash on Mac.
  2. Search the computer by file name or file type.
  3. Check cloud storage such as OneDrive, Google Drive, Dropbox, or iCloud.
  4. Use File History on Windows if it was turned on.
  5. Use Time Machine on Mac if it was configured.
  6. Check external drives or backups.
  7. Do not install recovery software on the same drive that lost the files.

For important business files, family photos, tax documents, or failing drives, contact us before trying random recovery tools.

View Data Recovery Help

How to speed up your Mac

If your Mac is running slow, try these steps:

  1. Restart your Mac.
  2. Update macOS if your Mac supports the update.
  3. Open Activity Monitor and check CPU and memory usage.
  4. Remove unused apps.
  5. Free up storage space.
  6. Manage Login Items so fewer apps open at startup.
  7. Close unused browser tabs and remove unnecessary extensions.
  8. Run a malware scan if popups or redirects are appearing.
  9. Consider an SSD upgrade if you have an older Mac with a mechanical hard drive.

Need help deciding if your Mac is worth upgrading? Half Price Geeks can review the model, age, storage, memory, and performance.

How to fix common printer problems

Printer problems are often caused by Wi-Fi, drivers, stuck print jobs, or the wrong default printer.

  1. Restart the printer and computer.
  2. Check that the printer has paper and ink or toner.
  3. Make sure the printer is connected to the same Wi-Fi network.
  4. Clear the print queue.
  5. Set the correct printer as the default printer.
  6. Remove and re-add the printer.
  7. Download the latest printer driver from the manufacturer.
  8. Try a USB cable if Wi-Fi printing keeps failing.

If the printer worked before and suddenly stopped, the issue may be a Windows update, router change, driver problem, or IP address change.

Schedule printer setup help

How to stop browser popups and fake warnings

Browser popups can come from websites, extensions, notification permissions, or malware.

  1. Do not call any phone number shown in a scary popup.
  2. Close the browser. If it will not close, restart the computer.
  3. Open browser settings and remove suspicious extensions.
  4. Turn off unwanted site notifications.
  5. Clear browser cache and cookies.
  6. Run a malware scan.
  7. Change passwords if you entered login information while popups were active.

If the warning says your computer is locked, your bank is at risk, or you must pay immediately, treat it like a scam and call a trusted tech.

Get Virus and Scam Popup Help

When DIY Is Not Enough

Helpful Half Price Geeks services

Some problems are worth trying yourself. Others are faster, safer, and cheaper to let a professional handle.

Computer Repair Services Remote Computer Repair Virus Removal Virus Removal Prices Data Recovery Business Computer Repair Senior Tech Support Geek Squad Alternative Computer Repair Near Me Repair Rates Schedule a Geek Service Locations
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Stuck on a computer problem?

Try the simple steps first. If the issue involves viruses, data loss, Wi-Fi problems, printer setup, slow computers, business downtime, or anything you do not want to risk making worse, Half Price Geeks can help.

Schedule Computer Repair Call 877-774-3357