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  1. B

    Laptop Malfunctioned - Did I Experience Blackout, Rolling Blackout Or Brownout?

    I used Uninterruptible Power Supply with expired battery and it failed to protect against outage. The electricity turned off in my house and block only while other blocks on street were operational. This resulted my laptop to malfunction but still being powered up so it did not fry (lights were...
  2. I

    connecting a cellphone charger and a laptop charger to a photovoltaic module

    How do I connect a cellphone charger and a laptop charger to a photovoltaic module. The solar module is has a maximum power of 80 watts.the laptop charger is 65watts,20V the cell phone charger is a power mat used to charge devices simultaneously it's specifications are Input Voltage: 100-240V...
  3. N

    Component name on a laptop motherboard.

    Sorry for the lame question... I have got an acer aspire 1670 laptop motherboard. Could anyone please tell me the name of the component on the picture below under the red arrow? resistor? diode? https://picasaweb.google.com/lh/photo/EwW_EhV_Vqeoit6lwXqvAphKRpdbdZMR2g80XAskZZg?feat=directlink...
  4. E

    How to test a Laptop PSU

    There seem to be so many differnces of opinion on exactly how the PSU should be tested (if at all). Could any experienced PAT testers please comment on specificaly how the unit should be tested? Some previous posts say it should be tested as a Class II device at 250V but if it has no Class II...
  5. P

    Testing Laptop PSU

    Hi Guy's, can someone clarify the tests that are required on the PSU for laptops, and indeed any other device which has an adaptor. Cheers.
  6. S

    Elesca assessment non compliance help

    Hi All, I have my second elecsa assessment in two days and im briking it as usual! I have two problems. 1. I have lost 3 electrical installation certs out of the 11 jobs ive submitted, computer errors and bad backups caused me to loose them. I have contacted the customers to get thier copy...
  7. F

    RCD on TT system

    I isolated a lighting circuit, confirmed and locked off. Went to fixture, rechecked for any voltages using a combined clamp meter, looked good carried out removal. Prior to this, customer upstairs working on laptop was warned I was working on the lighting circuit, but should not effect her...
  8. A

    Laptop motherboard component

    What is the name of this laptop motherboard component? on the "PQ29" it says on it "FDS, FD54435BZ" where the B could be an 8 and a Z could be a 2 but am sure it is BZ. I have included pictures. I assume the burnt one is most likely the same as the motherboard consists of the same parts in...
  9. C

    Bluetooth 1553 - PDA, Phone, Laptop??

    What device do u use with your Meggar 1553 bluetooth for the on-site software??
  10. M

    247.9 volt in my home, 6 laptop chargers later?

    Hi im new to this forum, thanks for accepting me. can anybody help please? i have gone through 6 laptop chargers in the last 9 months, i just mesured the voltage and peak is 247.9. will a surge protector keep it at 240v ???? or is there something i can buy to keep it at 240? because the...
  11. Mr Mark Sparks

    help buying a laptop

  12. S

    Acer Aspire 5100 Power Cable

    Hi I have an acer aspire 5100 laptop, the cable for me is broke, on the end that plugs into the laptop there is a small cyclinder thing where the wire goes into one end and comes out the other onto about 3cm of wire and then onto the adapter that goes into the laptop. The wire has been dodgy for...

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