Hi! We’ll keep this easy and safe. When a computer keyboard is not working, it’s usually one of a few simple categories — and we can figure out which without changing anything risky.

First, I want to understand what “not working” means for you:
• Nothing types at all (no letters, no numbers)
• Only some keys don’t work (like Enter, Backspace, spacebar, arrow keys)
• The keyboard types the wrong characters (like @ or symbols, or letters look “mixed up”)
• It works sometimes (then stops, or lags/delays)

Two quick questions (answer in your own words):
1) Is it a laptop keyboard or a separate keyboard for a desktop (USB / wireless / Bluetooth)?
2) Did this start after something specific — a Windows update, a spill, new batteries, moving the computer, or plugging it into a different USB port?

That’s a very common situation, and you’re doing fine. If the mouse works but the keyboard doesn’t, it often points to a wireless keyboard connection issue or power (batteries), rather than the computer being “broken.”

Let’s identify what kind of wireless keyboard you have — there are two common types:
1) USB receiver (“dongle”) keyboard: there’s a tiny USB piece plugged into the computer (often in the back). The keyboard talks to that receiver.
2) Bluetooth keyboard: it pairs like headphones and relies on Bluetooth being on.

Safe checks that don’t require logging in:
• Do you see a small light on the keyboard when you press Caps Lock or Num Lock? (Any light at all is a clue.)
• Can you locate a battery compartment on the keyboard (usually underside)?
• Do you remember plugging a tiny USB piece in at some point, or do you see one now?

Perfect — that tells us a lot. No Caps Lock light usually means the keyboard isn’t getting power (batteries) or it’s not turning on, rather than a complicated Windows setting.

Since you see the little USB receiver, here’s the safe logic path (we’re not “fixing” aggressively — just diagnosing):
• If fresh batteries + a solid receiver connection = still no lights, the keyboard may have a power switch (often on the side or bottom) or it may not be making good battery contact.
• If lights come back but typing still doesn’t work, then we focus on the receiver/USB port and pairing signal.

A couple gentle questions so we don’t do anything annoying:
1) Do you see an ON/OFF switch on the keyboard (usually underside)?
2) Are the batteries inserted matching the + and − symbols? (It’s easy to flip one.)
3) Is the USB receiver plugged directly into the computer, or into a USB hub/monitor/docking station?

That’s a good instinct — we’ll keep it gentle. Also, you won’t “break” the computer by removing a USB receiver if you do it slowly and straight, but we don’t even need to do that first.

Because there are no keyboard lights, the easiest “senior-friendly” diagnostic step is simply: confirm power and contact. Sometimes batteries are okay but not seated firmly, or one battery is flipped.

If you’re comfortable doing one small check:
• Remove and reinsert the two AA batteries one at a time, matching the +/− marks, then press Caps Lock again and look for any light.

While we keep it safe, I also want to rule out a different kind of issue that seniors run into: sometimes the keyboard works, but the screen is asking for a password and the Num Lock makes numbers behave oddly (or you’re on a sign-in screen with a different keyboard layout). But the “no lights” strongly points to power first.

Quick question: do you have any other keyboard available (even a cheap USB wired one), just to test? Not required — it’s only for diagnosis.

Great memory — and yes, Filter Keys and Sticky Keys are real Windows accessibility features. They can change how typing feels (like ignoring short key presses, or making Shift/Ctrl behave differently). But they usually don’t cause a keyboard to have no lights at all. That detail still points to “keyboard side” rather than “Windows side.”

Here’s the simple translation:
• Sticky Keys = lets you press Shift/Ctrl/Alt one at a time instead of holding them down.
• Filter Keys = can slow down or ignore repeated/short key presses (helpful for tremors, but confusing if enabled by accident).

Since you can’t log in to change settings yet, we stay with hardware-level diagnostics you can do safely:
1) Battery power (we checked reseating). If you have spare AA batteries, swapping them is a strong test.
2) The keyboard’s power switch (we checked it’s ON).
3) The USB receiver: sometimes it looks plugged in, but it’s slightly loose or the port is flaky.

If you feel okay doing a single careful action: gently unplug the tiny USB receiver and plug it into a different USB port (a front port if you have one). That doesn’t change Windows settings — it just tests a different port. Then press Caps Lock again to see if the keyboard wakes up.

That “wrong letters / another language” symptom can happen if the keyboard layout switches (like ENG vs another language) — but that would only matter when the keyboard is powered and typing. Right now, the bigger clue is still: no indicator lights even after moving the receiver to another USB port.

So we likely have one of these situations:
• Low battery / dead batteries (most common, especially if the keyboard is older).
• Keyboard hardware failure (it happens over time).
• Receiver/keyboard pairing problem (less common, but possible if it got unpaired).

Since you’re locked out, here are “safe next steps” options that are still simple and senior-friendly:
• If you can get fresh AA batteries, that’s the cleanest test with the least hassle.
• If you can borrow a basic wired USB keyboard (even temporarily), it’s a fast way to confirm the computer itself is fine and let you log in to check settings like language/Filter Keys later.
• If your keyboard has a small “connect” button (sometimes underside near the battery door), we can identify it and use it as a diagnostic sign — but I don’t want you pressing random buttons unless we’re sure which model you have.

One last question (helps a lot): does the keyboard have a brand name on it (Logitech, Microsoft, Dell, HP), or any model number under the battery cover?