Current pending sector (C5) laptop Lenovo Z50 70 please any help :/

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Oct 9, 2018
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i have a lenovo laptop its with me from 3 or 4 years i have hard disk Toshiba 1TB .. today lenovo solution center make a warrning when i scaned the hardware its seem like there is a problem in storge section .. i scaned wiith crystal disk info 7.8.0 and HD Tune 5.70 and the two program showed a mark and warning on C5 Current pending sector :/ i don't know what to do i can't lose that hard disk please help me any one have ideas expect the format 🙁 .. please tell me is the hard will die or no ?!!!!! any idea please .

this is a link to screen shot for the two programs : https://d.top4top.net/p_1012hxgwf1.png
 


hello again i buy a external hard my passport and backed up my data

now the number of reallocated sector still the same but the number of current pending sector incresed from 0 to 8 thats the raw value i want to format it to try to solve this problem advice me please how to format it