The USB port on my keyboard doesnt work
- Unplug all devises from your keyboard.
- Plug your Apple mouse into the left USB port on your keyboard. Does your mouse work when it's plugged into this port?
Yes: Now plug the mouse into the right port. Does it work?
- Yes: Try a known good keyboard.
- No: Try a known good mouse to rule out the mouse. Then go to step 3. No: Try a different mouse or keyboard.
3. Now unplug the keyboard from the USB port on the back of the iMac, and plug the mouse into the port the keyboard had been in. Does the mouse work now?
Yes: Replace the keyboard?
No: It appears that your USB port isn't functioning properly. Go on to step 4.
4. Replace the midplane.
DIY Battery Repair
You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.
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