Dell Technology Guide
Page 275
...status lights located above the keyboard. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. Replace the battery (see the Service Manual for your computer for more about the meaning of the various keyboard ... A C T D E L L TE C H N I C A L S U P P O R T - The computer failed to help identify the problem. If the computer malfunctions, you received is not listed in the table, see "Contacting Dell" on page 337 for either the operating system or the program that was running when the message appeared. ALERT! Replace the CPU fan (see the...
...status lights located above the keyboard. C M O S C H E C K S U M E R R O R - Possible motherboard failure or RTC battery low. Replace the battery (see the Service Manual for your computer for more about the meaning of the various keyboard ... A C T D E L L TE C H N I C A L S U P P O R T - The computer failed to help identify the problem. If the computer malfunctions, you received is not listed in the table, see "Contacting Dell" on page 337 for either the operating system or the program that was running when the message appeared. ALERT! Replace the CPU fan (see the...
Dell Technology Guide
Page 351
... quality of telephony devices, including voice, data, fax, and 351 super-extended graphics array plus - The main circuit board in the BIOS, such as the motherboard.
... quality of telephony devices, including voice, data, fax, and 351 super-extended graphics array plus - The main circuit board in the BIOS, such as the motherboard.