IBM 2681 Hardware Maintenance Manual - Page 61
symptoms, No-beep
UPC - 087944884422
View all IBM 2681 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 61 highlights
Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reset the LCD connector. 2. LCD assembly. 3. External CRT. 4. System board. One long and two short beeps, and a blank or unreadable LCD. 1. System board. 2. LCD assembly. 3. DIMM. Two short beeps with error codes. POST error. See "Numeric error codes" on page 53. Two short beeps and a blank screen. 1. System board. 2. DIMM. Three short beeps, pause, three more short beeps, and one short beep. 1. DIMM. 2. System board One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. Only cursor appears. Reinstall operating system. Four cycles of four short beeps System board (IBM security and a blank screen. chip) Five short beeps and a blank screen. System board No-beep symptoms Symptom or error FRU or action, in sequence No beep, power-on indicator on, LCD blank, and no POST. 1. Make sure that every connector is connected tightly and correctly. 2. DIMM. 3. System board. No beep, power-on indicator on, and LCD blank during POST. 1. Reset DIMM. 2. System board. The power-on password prompt appears. A power-on password or a supervisor password is set. Type the password and press Enter. The hard-disk password prompt A hard-disk password is set. appears. Type the password and press Enter. The DOS full screen looks smaller. Start the ThinkPad Configuration program and set the Screen expansion function. ThinkPad R40 57