DELL 1909 ユーザーズマニュアル

NOTE: To replace parts see the Service 

Manual on the Dell Support website at 
support.dell.com.

One beep — 

BIOS ROM checksum failure.  

Possible motherboard failure

Contact Dell (see “Contacting Dell” on page 44).
Two beeps — 

No RAM Detected

Remove the memory modules, reinstall 

•

one module and restart the computer. If 

the computer starts normally, reinstall an 

additional module. Continue until you have 

identified a faulty  module or reinstalled all 

modules without an error.
If available, install memory modules of the 

•

same type in your computer. 
 If the problem persists, contact Dell (see 

•

“Contacting Dell” on page 44).

Three beeps — 

Possible motherboard failure

Contact Dell (see “Contacting Dell” on page 44).

Four beeps — 

RAM Read/Write failure

Ensure that no special memory module/

•

memory connector placement requirements 

exist (see the Service Manual on the Dell 

Support website at support.dell.com).
Verify that the memory modules you are 

•

installing are compatible with your computer.
If the problem persists, contact Dell (see 

•

“Contacting Dell” on page 44).

Five beeps — 

Real Time Clock Failure

Replace the battery.

If your computer has an issue or error, it may 

display a system message that will help you 

identify the cause and action needed to resolve 

the issue.

NOTE: If the message you received is not 

listed in the following examples, see the 

documentation for either the operating 

system or the program that was running