Fix the computer in front of you.
Repair-bench guides for laptops, phones, gaming, home Wi-Fi, security and small-business tech. Free checks first.

Browse by topic
- Laptops & PCsPower, charging, slowdowns, crashes and parts
- Phones, Tablets, TV & AudioBlack screens, charging, pairing and connection fixes
- GamingConsoles, controllers, handhelds and overheating
- Home Network & Wi-FiSlow speeds, dead zones, routers and dropped connections
- Security & PrivacyMalware, hacked devices, account safety and cleanup
- Smart Home & Home TechDoorbells, speakers, cameras, wiring and setup
- Small Business TechEmail, printers, office computers and getting online
What is it doing?
- Won’t turn onNo lights, no fan, or lights but no screen
- Won’t chargePlugged in but not charging, or charging slowly
- Black screenPowers on, but the display stays dark
- Running slowSlow boot, slow apps, fan always busy
- Wi-Fi keeps droppingCan’t see networks or keeps disconnecting
- Blue screenCrashes with a stop code and restarts
- OverheatingHot to the touch, loud fan, sudden shutdowns
- Keyboard not workingDead keys, wrong letters, no backlight
- Touchpad not workingCursor frozen, jumpy, or no clicks
New from the bench
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Lines on Laptop Screen: Driver Problem or Failing Panel?
Two tests sort lines on laptop screen problems: do the lines show before Windows loads, and does an external monitor show them too? Lines before Windows…
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ASUS Laptop Screen Flickering: Test in the BIOS First
ASUS laptop screen flickering splits at the F2 key. Hold F2 while you power on. If the flicker shows on the BIOS screen too, ASUS’s internal…
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Surface Pro Screen Flickering: Fix It or Send It In
From a full shutdown, hold volume up while you press the power button to boot the Surface into UEFI, then watch the screen. If the Surface…
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HP Laptop Screen Flickering: Plug In a Monitor First
HP laptop screen flickering comes from two families of causes, and an external monitor sorts them in one test. If the monitor flickers too, suspect Windows,…
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How to Check Laptop Battery Health on Windows and Mac
To check laptop battery health, compare what the battery can hold now with what it held when new. On Windows, powercfg /batteryreport writes both numbers to…
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External Hard Drive Not Showing Up: Fixes That Keep Files
An external hard drive not showing up usually comes down to one of three points: power and cable, the operating system’s list of drives, or the…
How these guides work
- Free checks firstA hard reset, a different outlet, a known-good charger. Most guides start with the steps that cost nothing.
- Then partsIf the free checks don’t clear it, we say which part is the likely culprit and how to confirm it before you buy one.
- Then a shopSwollen batteries, liquid damage and clicking drives get a clear “stop here” line instead of another workaround.