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Category: Hardware

Update Samsung Galaxy S3 - I9300 to Android 5.0.3 Lollipop

30 Jan 2015

Posted by: ludek.vodicka

Hardware #root #samsung s3 #update

How to fix Lenovo R61 graphics card? With FIRE! ;-)

Last night my Lenovo R61 seemed to be dead. It doesn't want to boot up and the only thing I saw was this screen with some black/white lines:
[caption width="512" align="aligncenter"] R61 broken graphics card[/caption]

I started googling this problem and it looks like this issue is quite common for this type. But then in the middle of the night I found the solution that I hadn't believed it could work. But as the notebook still wasn't running, I said to myself that there is nothing to lose.

Here is the magic. It's sufficient to heat nvidia chip by a flame for about 15sec.

First of all, it's necessary to disassemble notebook and detach heatpipe:

Lenovo R61 dissasembled

R61 dissasembled

After that you need to cover the rest of notebook except nvidia chip:

R61 nvidia fix

And as last step use any torch to heat chip to 700C for about 15s:

R61 fix tool - torch

And that's it. Now assemble notebook back (if it is possible :-)) and run it:

R61 assembled and back online

Here are two videos from youtube:

http://www.youtube.com/watch?v=h3JtokNj_Ho
http://www.youtube.com/watch?v=0CnJgxogBUU

05 Mar 2014

Posted by: ludek.vodicka

Hardware #r61 #nvidia #lenovo #fix

TF201 - update to custom rom

28 Nov 2013

Posted by: ludek.vodicka

Hardware #tf201 #custom-rom #android

How to unroot Samsung Galaxy S3 device

Because of warranty I needed to unroot my S3. After a lot of searching I found following articles which helped me to revert my phone to factory defaults.

Used software

  • TrianglAway - tool for reseting flash-counter inside the android firmware
  • SamMobile - server with all Samsung S3 firmwares
  • Samsung Updates - Official Samsung site with all firmwares
05 Sep 2013

Posted by: ludek.vodicka

Hardware #samsung #root #unroot #firmware

Find out what wakes up your Windows 7/Vista from its sleep

@rem Get info about last wake<br />
powercfg -lastwake</p>
<p>@rem Which device caused the wake up<br />
powercfg -devicequery wake_armed</p>
<p>@rem More detailed info including time of sleep and wake<br />
cmd /k wevtutil qe System /q:&quot;*[System[Provider[@Name='Microsoft-Windows-Power-Troubleshooter']]]&quot; /rd:true /c:1 /f:text</p>
<p>

External Links

25 Nov 2012

Posted by: ludek.vodicka

Windows Hardware

How to fix "The device, \Device\Ide\iaStor0, did not respond within the timeout period."

Link with detailed description of this problem.

Short how to fix:

regedit<br />
open HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\iaStor\Parameters\Port[0-n]\<br />
set LPM=0, LPMDSTATE=0, and DIPM = 0<br />

if your registry doesn't contain this key, you have to add them.

Add new key &quot;Port0&quot;.<br />
Add new &quot;DWORD&quot; value named &quot;LPM&quot; and value leave 0.<br />
Add next two &quot;DWORD&quot; values named &quot;LPMDSTATE&quot; and &quot;DIPM&quot;.<br />

Another advise how to fix this error

This method is originally referred in MS Technet forum:

Also the issue may be the result of Aggressive Link State Power Management (ALPM) on the PCI-Express bus negotiating a lower power state for the link between the controller and disk when there is no activity. When ALPM works, disk requests are queued, the serial link revived, and the queued requests are sent to the relevant disk; this requires a disk that supports ALPM.

1.       Click Start button, choose Control Panel.<br />
2.       Move to Control Panel\All Control Panel Items\Power Options. Click Change plan setting in your current power plan.<br />
3.       Click “Change advanced power settings”, move to PCI Express-&gt; Link State Power Management, turn off the option.<br />

External links

23 Sep 2012

Posted by: ludek.vodicka

Windows Hardware #Windows #ssd #hardware

Timeout errors reported by iastor or iastor(v) in Microsoft Event Viewer

Problem:

The device, \Device\Ide\iaStor0, did not respond within the timeout period.

Solution:

Install newest Intel Rapid Storage Technology for Windows Vista/7. This could helped resolve this issue.

http://www.intel.com/support/chipsets/imsm/sb/cs-025783.htm

Solution2:

http://solutions.unixsherpa.com/2010/03/25/the-device-deviceideiastor0-did-not-respond-within-the-timeout-period/

Solution3:

asus drivery zde: http://support.asus.com.tw/download/download.aspx?SLanguage=cs-cz

firmware na ssd zde http://www.ocztechnology.com/ssd_tools/OCZ_Vertex_3,_Vertex_3_Max_IOPS,_Agility_3,_Solid_3,_RevoDrive_3_and_RevoDrive_3_X2/

disk je potreba updatovat z jineho hdd nebo live cd, nelze updatovat pokud je z nej nabootovano.

a tady je navod jak povolit HotPlug v biosu a zakazat LPM ve windows:

http://www.ocztechnologyforum.com/forum/showthread.php?88340-Vertex-3-Windows-install-in-AHCI-mode-on-Intel-6-series-Chipset-platforms

09 Sep 2011

Posted by: ludek.vodicka

Hardware