TP-LINK WR740n bricked

After I attempted to flash the router with open-wrt I managed to brick the device after trying to copy the image it said not enough memory. When it’s bricked all it does is flash all the lights. If you connect to the serial interface that it spits out is this : AP121 (ar9330) U-boot DRAM:  … Read more

Laptop batteries

I generally do not unplug/undock my notebook. Does this hurt the battery? No, the battery has built in controls which stop the charging process when the battery is full. All rechargeable batteries wear out with time and usage. As time and cumulative use increase, the performance will degrade. For the typical user, noticeable reduction in … Read more

Windows 10 tips and tricks

1. Get windows lockscreen wallpapers Location of windows lock screen wallpapers: %LocalAppData%PackagesMicrosoft.Windows.ContentDeliveryManager_cw5n1h2txyewyLocalStateAssets Copy all the files in a folder. Create  a new file and rename it to a.bat or any other name you want, but it must have the .bat extension. Copy the next lines into that file and run it. It will rename all the copied files … Read more

How to setup a PXE boot server

PXE =  Preboot eXecution Environment PXE boot server is a combination of DHCP and TFTP server. By using PXE stations can boot on LAN even without a harddisk. TFTP (Trivial File Transfer Protocol)  is a simple protocol for transferring files, only reads or writes files from or to a remote server on UDP/IP Port 69 You can find both servers in a one … Read more

Create a windows pe bootable image

For windows 7 – Windows PE 3.1 Download AIK (Automated Installation Kit ) : 1. Run from Start menu : Microsoft Windows AIK -> Deployment Tools Command Prompt (as administrator). 2. Type : copype.cmd amd64 c:\winpe or copype.cmd x86 c:\winpe The 64-bit version can boot 64-bit UEFI and 64-bit BIOS PCs. The 32-bit version can … Read more

VGA vs DVI vs HDMI vs DisplayPort

VGA – supports a max resolution of 2048x1536px @ 85Hz BUT signal degrades from : – wire gauge – conversion to digital – cable length Next all are digital and except for resolution limitation or lack of other functions there is no difference in image quality. DVI  – supports a max resolution of 1920×1200 @ 60Hz Dual Link … Read more

Laptop HP 250 G6 review

Processor and memory: It has decent performance, the i3 5005u performs well. I use Photoshop, do video editing (it’s a bit slow on this but if you take your time you can do it), you can play not so demanding games, internet browsing etc. It only has 4 GB of ram, and at times you … Read more

Create a wim image of windows installation

Boot a Windows PE image by dvd, usb or network.You will end up with a cmd prompt :X:\windows\system32\>wpeinitIF you want to work with a network location instead of a USB drive or local hdd you can map it with:net use n: \\networkpc\sharename passwords /user:usernameView partitions :diskpartlist volumeexitFor windows 7 :f:\imagex.exe /capture d: f:\mywin_c.wim “Win_Vol”and optional … Read more

Windows 10 retail usb 3.0 stick

Windows 10 comes on usb stick as media and if you install many you get a lot of them and they have good read speed. Unfortunately  the stick is firmware locked into read only mode and can’t be changed by any software manipulation, but need to be written the firmware with write active. I opened … Read more