USB Not Initializing (Not the usual USB Preferences change, it's simply not trying at ALL). - Google Pixel 3 XL Questions & Answers

Have a P3XL that I'm I was going to load a custom image on. But I can't for the life of me get it to recognize having any form of usb data connection.
When I plug it in, it simply starts charging, no usb notification appears on the phone for adjusting the connection, the computer doesn't make a sound, nothing.
With the very same cable I can plug in a P6 and P3 and they will immediately be detected in the device manager.
I've tried messing with all the USB settings on the phone, turning them off, adjust the default use to File Transfer / etc... (note that none of this is from the usb notification, but the actual usb settings under preferences since it's unable to detect it's even attached!)
I'd had a couple issues with the port only charging sometimes so I bought a replacement charging assembly and installed that assuming that would make all my problems go away and while it definitely fixed the cable so it charges every time, it continues to refuse to be recognized as a device.
Does anyone have any ideas what would cause something like this and what might be wrong to cause it to not be recognized AT ALL (to re-iterate, the computer literally can't detect that a device was attached it's not doing anything, both with old and brand new charging port).
(One other quirk, not sure if it's related...The phone never actually stays off. If you power it down, it will power itself back on just a few seconds later. The power button itself isn't stuck and works perfectly for all the normal functions: tapping/holding etc.. And to be clear, it never shuts itself off randomly or anything like that, it's just if you hold the power button and choose "Power Off" it shuts down and then just reboots 2-3 seconds later)

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Some TP2 issues for a new user

Here are some issues with a new VZW TP2 that hopefully some of you can help with:
1. I have my phone set to blank the backlight and go into standby while in either battery and non-battery mode, but there's a glitch. I have always kept the device (previously a TMO MDA) plugged into the computer overnight, but this TP2's blacklight stays on as long as the cable is plugged in, regardless of whether it is charging or not. When I power down the computer the charge light goes out but the backlight stays on dim, so in the morning the battery is nearly exhausted. Is there a way to make the phone turn off the backlight while plugged in, even when there's no power to charge the battery?
2. Is there a registry hack to make the volume buttons increase or decrease volume in lower increments? IOW, now when I hit the "+" button it jumps up maybe three bars when I would like it to go one at a time.
3. When in Opera 9.5 and I click on a link within a website it always gives me several choices, one being to open the page in a new tab. Unfortunately when I do that it always says there are no tabs remaining, and does nothing. There are no options for opening the page in the same page so nothing gets loaded, which is very frustrating. How many tabs are there available and why are there never any remaining for use, even just after launching Opera?
for #1. go to all settings--> system -->power
and click on advance tab...you can set seconds when you want to dim the phone n when to turn off for eitrher when your phone is plugged in or not plugged in...i would suggest you using s2u2 to get more backlight options..hope that helps.
2. Not sure how useful this is, but you can fine-tune the volume by sliding on the bars.
3. You can customize the amount of tabs Opera allows by going into opera:config. If you have push internet enabled, this thread may be helpful.
judicious said:
for #1. go to all settings--> system -->power
and click on advance tab...you can set seconds when you want to dim the phone n when to turn off for eitrher when your phone is plugged in or not plugged in...i would suggest you using s2u2 to get more backlight options..hope that helps.
Click to expand...
Click to collapse
I did that and it's set at 2 and 5 sec. respectively for "On external power." Keep in mind it isn't really on external power at that point, just plugged in, as there's apparently no power coming in (charge light is off on the phone). If I unplug the USB cable the backlight gets brighter but then turns off in 2 min. under internal power.
Oddly, if I connect the phone to a USB cable that's not connected to the computer it will operate normally. But if it's connected to the computer when it has been powered down by XP (Shutdown), i.e. power is not actually cut like if the PSU is switched off, the display will remain dim all night and in the morning the battery will be nearly exhausted. It is as if there is still some signal coming from the computer telling it to stay on, even though I have the phone set to switch the backlight off and go into standby when under both internal and external power. I would like to not have to unplug it every night, as I don't always remember to do it. It's normal position in the house is plugged-in where it can continually sync with Outlook. My old MDA phone had no problem with this and would go into standby whether plugged into the computer or not.

Screen dead after PS3 charging attempt

Hey guys
a friend of mine tried to charge his TD from his PS3's USB port. Sadly, this has ment that the screen will now not work at all - completley dead. The phone however, does appear to be working properly but there is no way to confirm this (i.e. it will vibrate etc and make various sounds). It also doesn't seem to respond when plugged in to a PC's USB port.
I've tried a hard reset but this doesn't seem to do anything....
Any ideas?
I charge it off the PS3 all the time; it's only a standard-power USB port so it's not the problem, it's your phone.
Try the following:
- Remove the battery and drain residual power by holding the power button for a few seconds. Leave for a few minutes.
- Plug in to an AC power source, wait 30 seconds, and try turning it on.
- Try going into bootloader (hold vol. down on boot). If you get there, reflash a stock ROM (including radio) and try again.
- Do you feel the vibration on power up? If not, the screen is not the problem.
- If it is the screen, wait until you know it is turned on, then put light pressure in various places on and around the screen. If it flickers at any point, it's a hardware problem.
- If you really can't get anything done, you'll have to take it to a repair shop and get a diagnosis or call HTC / your provider / your insurer.
All the best

Charge Only going in and out

I charge my EVO off of my laptop at work and I have noticed that periodically it will wake up and the little lightning bolt indicating that it is charging disappears. The phone will go back to sleep for about 60 seconds then wake back up and the charging icon will re-appear. Is this normal?
Check your charging cable. Have you dropped your phone while it was plugged in causing it to become unplugged? That happened to mine and now the terminals aren't stiff (yeah yeah that's what she said haha), so it will only charge if the plug is at an angle that causes the terminals to make contact with the upper portion of the slot.
If so, I haven't found any way to resolve that.
If not, can you provide some more details? Will it charge if it's plugged into the wall?
neshcom said:
Check your charging cable. Have you dropped your phone while it was plugged in causing it to become unplugged? That happened to mine and now the terminals aren't stiff (yeah yeah that's what she said haha), so it will only charge if the plug is at an angle that causes the terminals to make contact with the upper portion of the slot.
If so, I haven't found any way to resolve that.
If not, can you provide some more details? Will it charge if it's plugged into the wall?
Click to expand...
Click to collapse
Charges fine when plugged into the wall. Phone have never been dropped. When I plug the USB cable in, I get the option for Charge Only, Disk Drive, etc and choose charge only. It will charge for a long while, then the screen will wake up and the charging icon will be gone, though the icon showing that the phone is connected via USB is still present. The phone will go to sleep that way then wake back up with the charging icon present again. It's very odd.
My phone has started doing something very similar only it is connecting as Disk Drive when I select Charge Only. When it does this, I have to switch it to Disk Drive, then back to Charge Only. Sometimes while its just sitting there charging, it disconnects (like yours is doing) and reconnects to Disk Drive again while Charge Only is selected. I have to repeat the steps above and its an endless cycle.
this could very well be an issue with your laptops USB chip/circuits and/or power profile.
Often times, your computer will try to power down unused components.
Depending on your laptops usb, windows and/or bios may be powering down the usb at which point your phone wakes up, attempts to reconnect (waking your laptops usb up), then starts charging again.
You might try going to your device manager > usb controllers > usb hubs > power management tab > uncheck 'allow computer to turn off this device to save power'.
I agree with it being the power save on the USB ports. You will need to uncheck the "allow computer to turn off this device to save power" for each USB port. Keep in mind on newer desktops and laptops, that there can be eight or more of the selections available for you to uncheck.
-Sam
thisguyinoc said:
My phone has started doing something very similar only it is connecting as Disk Drive when I select Charge Only. When it does this, I have to switch it to Disk Drive, then back to Charge Only. Sometimes while its just sitting there charging, it disconnects (like yours is doing) and reconnects to Disk Drive again while Charge Only is selected. I have to repeat the steps above and its an endless cycle.
Click to expand...
Click to collapse
I found out that the default setting for doubleTwist media player is to make it automatically set as a disk drive upon usb connection. This setting can be changed.

Xperia ZL weird problem

Hi All,
I recently tried to fix my older sons xperia zl, The phone would not power on, it did not show any signs of life when plugged in to a computer. Tried all the different button combos and the off button at the back of unit but still nothing.
So I opened it up and checked each component visually, did not notice anything wrong.
I decides to see what would happen if I disconnected the battery and plugged it in to just usb to the computer.
Well it showed up in device manager as a SEMC flash device, and the red notification light came on. Then it started to try to turn on without me pushing the power button, the screen gets to the sony logo and then goes black and starts again.
The next thing I tried was to flash a new rom to it, under Flashtools it automatically goes in to flash mode, found my rom and hit flash and it completed the flash. Disconnected the usb , connected the battery but nothing no power and still nothing in device manager.
Another weird thing that happens is that while the battery is disconnected and i hold the vol+ a blue notification light turns on and the phones goes into fastboot mode.
I initially thought the battery was the problem so I ordered a new one and installed it but the same thing keeps happen, anytime the battery is connected the phones does not react to and buttons, even when the usb charging cable is also connected.
I am wondering if someone has a schematic or know of a capacitor, resistor or fuse that is stopping the phone from recognizing the battery.
Any help would be greatly appreciated.

Stuck in low battery boot loop

Hello, Huawei gadget friends.
My watch started to go in to a "low power boot loop" a week ago so I left it alone hoping a full drain would restore it back to working condition, but alas not.
So now this is the situation:
1) press button, nothing happens
2) connect to power shows the charging icon (white battery with power sign) and then after a few mins commences a boot loop as follows
3) from the charging icon, then gives the "Device software can't be checked for corruption..." message
4) followed by the red Huawei logo, then a single vibrate and then back to step 3 above
5) removing the watch from the charger stops the boot loop but then shows the low battery icon (white battery with one bar).
In one or two occasions, I saw it boot up to the colorful spinning 4 android wear logo, but did not complete (did not show "Android Wear" before rebooting again.
I have tried getting it to recovery mode screen or fastboot but without success -- I keep getting the second buzz without fail.
When the beta of 1.5 came out, I tried it, but since then, have wiped my mac and don't have the adb/fastboot software anymore. From reading the forums, there is now some new software called TWRP. Please advise what I can do.
Would I be right to suspect that it is some battery problem? Is it beyond help? :crying:
Thanks in advance!
MMM
Edit: I have also left it on for several hours charging (and rebooting constantly), thinking that perhaps it is just low battery -- but no success.
I'm experiencing the same problem, i turned it off yesterday at 17% and connected to the pc this morning to charge. I immediately noticed that it started looping with the white icon and it doesn't turn on, nor boots into download mode.
Have you found any way to restore it?
Mine doesn't show the red HW logo, charged for some hours and nothing.
I noticed that the pc see that there's something connected, but keeps saying "USB not recognized". I don't know what to do, i may open up and disconnect the battery
EDIT: SOLVED, it was just the cable that broke somehow. I soldered a new cable to the circular base but that didn't work, but as soon as i received this i connected to the pc and started pressing the button randomly till it showed the battery logo and started charging
I got this when I plugged it into my laptop. Plugging it into a dedicated USB charger solved my problem - I suspect the power rating on the USB socket wasn't high enough to charge effectively or that the USB socket is faulty in some other way. From what I understand, not all USB sockets are equal in that some are suitable for high-drain devices, some not so much. So trying another USB port on your computer may also help (Unfortunately at the time I was backing up to an external HDD on the other USB so that option wasn't open to me).
guyz, i have tried my method it actually worked on Xperia X Perfomance
When it goes to Bootloop for Drained battery, i just plug the cable and perform activity block method By pressing and holing power and both volume up and down and when it hits the 1st viberation i just simply release the key. (remember dont hold it too much long after 1st single viberation just release the keys ) and your phone will go to block activity mode. charging light will change it colors from red to blue.. after 2 minutes just press power button then you ll get another viberation and your phone will be seen as charged 2% and then it will be normal again...
i think it happens when battery drained and phone is unexpectedly trying to go boot in first place.
thank you

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