Question

 Why some USB ports do not work Is it due to low voltage problem ?

Answer Due to repeated entries and exits (in & out)(nothing porn. lol), the port becomes loose and contacts frequently lost. Many work by pushing up or down. Frequent use also causes wear & tear leading t... Read More »
http://answers.yahoo.com//question/index?qid=20120901212818AAtGh6J

Top Q&A For: Why some USB ports do not work Is it due to lo...

My pc only some times recognises my usb ports on the front of my case or the 4 ports on my motherboard.?

A few things to try, firstly, you would have to open the case and check the cables for your front ports are seated properly. Unplug them and then plug them back in again.Also check that your mother... Read More »
http://answers.yahoo.com//question/index?qid=20070730111340AAL8G5X

What is the difference between Pr Pb Y and Cr Cb Y audio video ports. will my devices work if a connect the two ports together?

They are both color space video but PrPbY is analog video and CrCbY is digital video. Trivia Conventionally the Y is first followed by b then r, as in YPbPr which has led to the wires being known a... Read More »
http://wiki.answers.com/Q/What_is_the_difference_between_Pr_Pb_Y_and_Cr_Cb_Y_audio_vide...

Voltage and frequency problem?

Transformers convert voltage only; they cannot convert frequency.There is no way to compensate for that, no matter what convoluted (and possibly dangerous) tricks anyone may suggest.If an appliance... Read More »
http://answers.yahoo.com/question/index?qid=20130422122839AAJ19RU

Can changing the PSU solve my low voltage problem?

Probably not.If you're experiencing problems with local AC power, you need a UPS (uniterruptible power supply) which is also known as a battery back-up system. Those regulate voltage and act as po... Read More »
http://answers.yahoo.com//question/index?qid=20120821121442AAUqQIp


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