I cizinci s tím mají problémy:
1.

Type msconfig in the box and then click OK.
The System Configuration Utility should appear.
Click on the BOOT.INI tab.
Check the "/SAFEBOOT" option, and click OK.
You will then see the prompt to restart the computer, click Restart.
The computer will then restart in Safe Mode.
When another box opens asking if you want to run in Safe Mode; click Yes.

Are you sure you are pressing the key at the correct time? It needs to be at the END of the POST routine, and BEFORE the Windows splash screen appears.