13 repair guides
Computers
Windows PC won't turn on, keeps freezing or restarting, blue screens, slow PCs, USB and Windows Update problems.
How to fix "USB device not recognized" in Windows
USB device not recognizedWindows shows "USB device not recognized" when something you plug in does not respond properly, so Windows cannot tell what it is or load a driver for it.How to fix a blue screen error on WindowsYour device ran into a problem and needs to restartA blue screen (also called a stop code error or BSOD) means Windows hit a problem it could not recover from, so it stopped and restarts to protect your data.How to fix a computer that is overheatingA PC overheats when it makes more heat than its fans and vents can remove.How to fix a computer that keeps freezingA freeze is when the screen stops updating and the mouse or keyboard stops responding, sometimes for a few seconds and sometimes until you force a restart.How to fix a computer that keeps restartingA PC that restarts on its own is usually recovering from a crash (a stop code error), losing power for a moment, overheating, or finishing a Windows update.How to fix a computer that turns on but shows no displayIf the fans spin and lights come on but the screen stays black or the monitor shows "No signal", the PC is getting power but no picture is reaching the screen.How to fix a computer that won't connect to the internetWhen your phone and other devices are online but your Windows PC is not, the problem is almost always on the PC itself rather than the router or internet service.How to fix a computer that won't turn onWhen a computer won't turn on, either no power is reaching it, or it powers on (lights or fans) but never gets to Windows.How to fix a computer that's running slowA slow computer is usually doing too much at once: too many apps or browser tabs open, too many programs starting with Windows, a nearly full drive, or a background task such as an update or scan.How to fix a program that is not respondingNot Responding"Not Responding" in a window's title bar means Windows has stopped getting answers from that program, usually because it is busy, waiting on something or stuck.How to fix a second monitor not detectedWhen a second monitor stays black, says "No signal" or doesn't appear in Windows display settings, the computer isn't receiving or sending a picture to it.How to fix Windows Update not installingWhen Windows Update gets stuck, fails or shows an error code, it usually means the download was damaged, the PC is short on space, or something on the PC is blocking the install.What to do when something frozeA frozen screen means the device or one app has stopped responding to clicks, taps or buttons.