There may be key pad problem u do clining first then let me know
If your Lenovo desktop is pre-installed with Windows operational system, press one-key reset key when your laptop is power off. Or press Shift + B to come back to factory setting instantly when Lenovo desktop is open.
Or press F2 when your Lenovo desktop is powering on. Few seconds later, a dialog pops up with several options, one-key reset and reset factory setting. Follow the operation wizard to reset factory setting is OK.
Related topic:
the numeric key 4 has two symbols dollar and rupee with shift+4 one can type dollar but how to type the rupee symbol, plz help
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