The Trackball work one side just up and down
Please send the service manual
Thanks
Khalid_hamdoun@yahoo.com
Thu Dec 07 2017
Trackball
Fri Dec 08 2017Reply from MedWrenchMia
What product (make/model) are you referring to?
Mia DeBiase Sales & Marketing Assistant mia@medwrench.com
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Mon Dec 11 2017Reply from Hamdoun