HP PCs - Performing an HP System Recovery (Windows 10)

Issue with HP Recovery Manager
After installing or updating Windows 10, HP Recovery Manager will not work and an error may occur.
Specifically, a Can’t open file: X:\sources\Recovery\tools\HP\Rita-tool\ message is displayed if you attempt to open HP Recovery Manager using either of the following methods:
  • Pressing the F11 key, clicking Troubleshoot, and then selecting HP Recovery Manager
  • Searching for and selecting HP Recovery Manager, and then clicking Windows Recovery Environment
To resolve the issue, download and install one of the following HP software updates.
If you are not sure which download is needed for your computer, please return to the top of the page and enter your serial number or product name in the search bar to be directed to the appropriate product page.

how to boot from usb on HP ENVY 15-k000nx Notebook PC

1)  Insert the USB flash drive into a USB port and turn on the computer.
2)  Immediately press the Escape key repeatedly, about once every second, until the Startup Menu opens.
Figure 1: Startup Menu

3)  Press F9 to open the Boot Device Options menu.
4)  Use the up or down arrow key to select the USB flash drive, and then press Enter .

NOTE: If you cannot select the USB flash drive from the Boot Menu, disable Secure Boot and enable Legacy Support in BIOS. For detailed instructions, see the Disabling Secure Boot on a notebook computer (Windows 8). After saving the changes, the computer will request that you confirm the changes... Accept the changes by typing the four digit code and pressing the "ENTER" key.

You may also have to set "System Configuration" > "USB3.0 Config in Pre-Boot"  to "Auto" in the BIOS.

xt1528 enable LTE/GSM without computer

Switch Sims
switch to settings -> cellular networks
Pull down notifications-> Airplane mode ON ( trick is here switch to airplane mod from top notification bar not from setting menu )
Network App -> GSM / LTE (close app)
switch to settings
verify 4g (I always click on it, still shows CDMA)
NEtwrok app -> Turn on Radio
Settings -> click on CDMA -> Select 4G
Airplane Mode OFF

source XDA forum

MAJ RÉPARATION Lenovo Golden Warrior (A806)

trois fichiers pour réparer le  Lenovo Golden Warrior (A806)

1- Firmware ROM 4.4.2
2- sp_flash_tool
3- driver MTK65xx

étapes a suivre:
exécuter le flash tool

  • chercher et placer le fichier MT6592_Android_scatter.txt  dans la 2e position
  • clic sur download 

  • connecter le téléphone éteint + appuyer volume bas 
  • installer le driver si ce n'est pas déjà installé
  • le flash commence automatiquement et dure 5 min environ  

NOTE : la solution est testé marche 100% si vous n'arrivez pas a réparer ou flasher votre cell, généralement c'est le driver qui n'est pas installé correctement, voir la photo en bas