Question about Computers & Internet
I have an issue with my ACER 7520 laptop. A message appears "configuring updates, 1 of 3 please wait" It then attempts to shutdown and reboot. I then get a message stating it was unable to start up, so Start Up Repair will begin. This does not complete, so when going into the diagnostic there is an error message _"Boot critical, cwindowssystem32drivers dis.sys is corrupt". This initially happened after I downloaded BBC IPlayer, managed to revert to the system prior to this update, all appeared Ok but problem has resumed
The process NDIS 5.1 wrapper driver belongs to the Microsoft Windows Operating System.
Description: File NDIS.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows XP are 182912 bytes (94% of all occurrence), 167552 bytes.
The driver can be started or stopped from Services in the Control Panel or by other programs. The file is a Windows core system file. The program is not visible. It is a Microsoft signed file. The service has no detailed description. Therefore the technical security rating is 0% dangerous.
This is a common problem experienced by many people. Just Google NDIS.sys and you'll see what I mean. For some it is onboard sound such as Realtech, others it is IRQL conflicts, and for still others such as yourself the NIC card.
One person worked around it by uninstalling the Windows driver and downloaded the manufacturer's driver.
Posted on Mar 25, 2008
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Posted on Jan 02, 2017
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Jun 14, 2013 | Acer Aspire 7520-5185 Laptop
Jul 15, 2011 | Aspire Acer 7520-5071 Notebook
The Windows Error Recovery message can appear for several reasons- an improper shutdown, new software, new hardware, etc. Since trying both options that you are given doesn't work, you need to troubleshoot the Windows startup error. If you have recently added new hardware, disconnecting or removing it could solve the problem for you as it might be creating some type of incompatibility.
Troubleshooting Windows Error Recovery: Last Known Good Configuration
You can attempt to boot up in Safe Mode and select Last Known Good Configuration and see if that works to resolve the Windows startup error. Turn the computer on and immediately begin to press the "F8″ key. If this does not work, you might need to press the "F2," "F10," or "F12″ key. Once you see the prompt screen, select "Last Known Good Configuration."
Troubleshooting Windows Error Recovery: Booting up from the Installation Disk
If that did not work, try booting up the laptop using the Windows installation disk - provided you still have it. If so, follow these steps:
1) Turn the power button to your laptop on.
2) Immediately insert the Windows installation disk that belongs to the laptop.
3) When you see the option for "Check System," press the "ESC" key. Next, press the "F1″ key. Your laptop should now boot up.
4) You can now use the "System Restore" feature to allow your laptop to return to a previous setting when it was functioning properly. This might mean selecting "R" for recovery.
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