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I'm getting no speaker audio I checked power to audio chip and is getting power any ideas no water damage in that area

I ran the hardware test and it passed. Would it have failed if cpu vcore was missing?

Hi guys working on a 820-3115 unit turns on but no chime tried pram reset and still no chime changed speaker too any ideas what can cause this problem

are you serious how the fuck do they reflow without removing the boding i suspect they fucked with the gpu. ill try replacing those chips i mentioned cost me 40 bucks for 2 donor boards if it does not work i will trash.

let me explain again, the system turns on boots up to the desktop but after it loads the mouse pointer is stuck and does not move keyboard does not type trackpad does not function and if i plug in a usb thumb drive it does nothing it should light up.

complete lock up mouse is frozen keyboard does not type and usb ports are dead but boots up to the desktop fine

Hi duke, I replaced C9560 With A poly from a 820-3115 same issue. But upon further testing the usb ports are completely down, i tested the keyboard controller chip U5701 for power at pins 22 and 49 for pp3v3. i get like 3.28 volts which is pretty close but upon further inspection of the board...

Yes external mouse is locked up too

Hi guys im Working on a 820-2850 Core I5 Unit, which was repaired by l2 computer. Now its in my hands trying to figure out what is causing the mouse and keyboard to freeze. It turns on fine but the screen will go white for 5 seconds then wheel spins, after that the desktop shows but mouse and...

This video was right on the spot pin 3 of D6905 was not making contact, i had to scratch away some of the trace re soldered pin 3 to the trace and bingo problem solved !!! Thanks again professor louis best teacher ever!!!!

Any help would be appreciated

Hi louis, hey guys im back to old crap again, working on a 820-2879 the issue i'm having is that it sees the battery when on with the charger plugged in it even charges the battery, but as soon as i unplug the charger lights out as if i'm testing it without a battery. When plugged in it...

Hi Louis I have another question. Is it possible to have multiple numbers ring on one voip phone thru the pbx? If so do i have to set up different trunks for each number? Also in order to get my phone to ring on outbound calls i had to turn off firewall in my time warner modem is this ok or...

Hmm do you think this has something to do with the pbx network upon installation, I had lots of trouble doing manual ip configuration the only way I got it to work was to do automatic set up, should I start over and try manual ip set up in the beginning of the install.

Hi louis i set up my phone system off your tutorial it was fun setting up, until i have this 1 issue kicking my ass so I'm a little lost. here is the deal on inbound calls phone rings i can answer everything is great , now outbound calls is a freaking nightmare i have a dial tone but when i make...

Thank you Louis lol, and Duke i was using an 85w charger. I used a 60w and problem solved. Duke thanks for the insight, i will look out for knock offs with apple logos and 1 second delays.

No original apple has logo on it

Hi Louis glad you started your own forum, i'm always supportive with a positive insight, i had to join now lets fix cornholes lol . Im working on a 820-2936 pro asd is throwing a failed sensor VD0R DC In Rail is reading above high limit any ideas on what could be causing this issue.