GUID-EEBA8261-DD1A-4F4E-8965-BE41B24BB59AVerifying system memory in Windows 101 Click on the start menu and select Settings > System.2 Under System, tap About.GUID-96E6BE2C-DFCB-4164-8960-B6B2700268C1Verifying system memory in system setup (BIOS)1 Turn on or restart your system.2 Perform the following actions after the Dell logo is displayed• With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.3 On the left pane, select Settings > General > System Information,The memory information is displayed on the right pane.GUID-3A8FC41B-3D4B-46CA-BBFD-0DE4A33B89A0Testing memory using ePSA1 Turn on or restart your computer.2 Press F12 or press Fn+PWR to invoke the ePSA diagnostics.The PreBoot System Assessment (PSA) starts on your computer.NOTE: If you wait too long and the operating system logo appears, continue to wait until you see the login screen/desktopscreen. Turn off the computer and try again.If the memory test results in 25 or less errors, then the RMT basic feature automatically fixes the issues. The test will indicate a pass resultsince the defect(s) have been removed. If the memory test results in 26 - 50 errors, the RMT basic feature masks the defective memoryblocks and results in pass with no memory replacement requirement. If the memory test results in more than 50 errors, then the test isstalled and the result indicates that memory module replacement is required.GUID-93AA4CB1-4E74-4917-8D6D-1D832F353233Realtek HD audio driversVerify if the Realtek audio drivers are already installed in the laptop.Table 7. Realtek HD audio driversBefore installation After installationTechnology and components 75