How to Check How Much RAM Your PC Has
See installed RAM, usable memory, speed, and slot use in Windows 11 Settings and Task Manager, and when more RAM may actually help a slow PC.
PC Hardware
Hardware problems can look like software problems, and the reverse is also true. These guides help you tell the difference with checks you can do at home, before you buy a replacement.
Start here
Choose the closest symptom first. If you are not sure which guide fits, use the PC troubleshooting wizard to narrow the problem before changing settings.
Published topics in this category
- RAM (1 guide), How much memory you have, why Windows uses a lot of it, and when RAM may be failing.
- SSD & HDD (1 guide), Internal drives that click, disappear, run slowly, or report SMART warnings.
- USB Devices (1 guide), Flash drives, phones, and other USB hardware that Windows does not recognize.
- Keyboard & Mouse (2 guides), Input devices that lag, disconnect, or stop working after a Windows update.
- Monitors & Displays (1 guide), External screens that stay black, flicker, or are not detected.
- Cooling & Overheating (2 guides), Laptops that get hot, fans that run constantly, and unexpected shutdowns from heat.
- Printers (1 guide), Printers that are offline, missing, or stuck on an old print job.
Guides
How to Check if Your SSD or HDD Is Failing
Spot warning signs of a struggling SSD or hard disk in Windows, use built-in checks without pretending they guarantee health, and know when to copy files off immediately.
How to Fix a Bluetooth Device That Won't Pair in Windows
When Windows 11 will not pair a keyboard, mouse, or headphones, put the device in pairing mode and remove the old entry, this is not a USB keyboard that is already wired.
How to Fix a Keyboard That Is Not Working in Windows
When keys do nothing, only some keys fail, or a wireless keyboard will not wake, split USB, Bluetooth, and Filter Keys before you buy a replacement.
Hardware, Cooling & Overheating
How to Fix a Laptop That Is Overheating
Cool a Windows laptop that gets too hot: vents, placement, heavy apps, and power settings, without fake universal temperature limits or unsafe "cooler" downloads.
Hardware, Cooling & Overheating
How to Fix a PC Fan Running Constantly
Tell normal fan noise under load from a fan that never settles: CPU use, background apps, dust, power modes, and when cooling hardware may be the cause.
How to Fix a Printer That Shows Offline in Windows
When Windows 11 lists the printer as Offline or jobs sit in the queue, wake the printer and clear the spooler, without a generic "printer driver pack."
How to Fix a USB Device Not Recognized by Windows
Work through safe checks when Windows beeps, shows "USB device not recognized," or never lists a flash drive, phone, keyboard, or other USB hardware.
How to Fix an External Monitor Not Detected
When Windows does not see a second screen, check the cable and the monitor's input first, then Detect and Win + P, before you reinstall graphics drivers from a random site.
Related tools
- PC Storage Calculator, Add up Windows, apps, games, photos, and video to estimate how large a drive you may need, with room to spare.
- RAM Upgrade Calculator, Get a reasonable RAM range for browsing, office work, gaming, or editing, not a guarantee that an upgrade will fit your laptop.
- PC Bottleneck Checker, A practical look at which part of a PC is more likely to limit a workload, without fake bottleneck percentages.