Why MacBook beeping 3 times and won’t startup?.If the problem continues, it is likely that the individual key switch is damaged and may require a repair. If there appears to be any sticky residues on the keycap or on the key switch, try to clean the area as best as you can (usually a damp paper towel is good enough). If your keyboard did not come with the tool, use two paper clips- bend them in the shape of a hook or “J” and pull the keycap straight up) and spray canned air inside the key switch to remove any dirt/debris. If the key seems electronically dead, you can try removing the individual keycap (if you have a USB keyboard it should have came with a “keycap removal tool.” Use this to remove the keycap. Press and release the non-working key a second time (flashing lights will speed up). If the lights do slow down, continue to step 3).ģ). If this is the case, repeat step 1 to exit remap mode & contact tech support. If they do not, this indicates that the key is not being registered and is likely damaged.

Press and release the non-working key (flashing lights SHOULD slow down in speed. Press and Hold the Program key and tap F12 (lights on keyboard will begin to flash rapidly).Ģ).

If it’s the wrong character, try remapping the key to itself:ġ). How do I switch between the macro memory configurations of 24, 36, or 48 macros?ĭetermine if the key is producing the wrong character or if it is electrically dead. NOTE: For veryold PS/2 Contoured keyboards (Model 130/Essential/Classic & Professionals with serial numbers beginning with “3”), the Windows key is located in the embedded “h” and “n” keys.

Now, in this example, the Right Alt key will function as the Windows/Command key when keypad is ON or OFF. Exit by repeating step 2 (LED’s will stop flashing). Press and release the SAME destination key, example- Right Alt (LED’s will speed up).Ĩ). Press and release the “PrintScrn” key (LED’s will slow down).ħ). Press and release the destination key, for example- Right Alt (LED’s will speed up).ĥ). Press and hold the Progrm key and tap F12 (LED’s on keyboard will flash rapidly).ģ). If you would like to remap the embedded Windows key to the top layer, follow these instructions:Ģ). The Windows key (or Command for Mac users) is located in the embedded “PrintScrn” and “Scroll Lock” keys.

Macbook pro 3 beeps in a row