Brought computer to store to see what I needed for more memory. Hard to get cover off, very hard. After memory was added and computer put back together, the monitor wouldn't work. Neighbor said since monitor worked before memory was added, must have loosened the video card reader? If so, where do I look for this and get the connection back?
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Re: video reader knocked loose, moniter won't work.
You are referring to the Video Card - it is the card that the monitor connects to which could also be integrated depending on model. There should be beeps indicating if the card is actually loose. There is also a possibility that there is an issue with the new memory. Was the system not tested before you received it back? Have you tried it with the old memory? Service manuals are available on DELL's website.
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RAM is an acronym for Random Access Memory, which is the memory your computer uses to hold your operating system (such as Windows 7), your applications, and working data while the computer is turned ON. These are copied from the hard drive to RAM when you turn on the computer or run an application. When power is turned OFF, all the information in RAM is gone (it is not saved). Memory in RAM is like a matrix. Address lines on the memory chip point to a single memory address at a time, where a word (8, 16, 32, or 64 bits wide) of data is stored. When power is first applied, all memory locations store zero or undetermined values. RAM is working memory or scratch-pad memory that is used for temporary storage. Permanent storage requires either EPROM, EEPROM, Flash, Battery-backed RAM or a hard drive.
processor are for the speed to operate board and all the other drives cd rom or dvd or hard drives video cards and ram.ram takes data from drive to store in ram to use what it needs to work with programs. hard drives hold all the data that is needed to work the computer and software.
One bad lead can cause a computer to continue on a cycle or
to shutdown or fail to detect your hard drive Test the leads that attach
to your ((hard drive from the motherboard)) or replace all the leads that
attach to your hard drive including electrical extensions + IDE,SATA and the
ones that attach from your ((motherboard to hard drive)) make sure all leads that
are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections
and are not faulty even the electrical extensions or just replace them they
could be faulty a computer needs its connections needs its connections continue
its cycle and to have an end so any faulty leads will end up with a computer
error hope this helps
About the ram memory: it can support 3 slots of DDR SDRAM memory of 1 GB each (maximum). So, the maximum supported memory is 3 GB.
And now, about the hard disk: you need to buy an IDE hard disk because SATA is not supported. So, when you go to the store to buy a new hard disk, ask for an IDE one.
There are a host of things that could cause this. The first thing to check is to mak sure you have the proper memory setup for your motherboard. Often these days you need to install memory in pairs for the board to boot. Refer to your motherboard manual and make sure the memory you have installed is right fro your board and that you have it installed in the right slots. If you do and it still doesn't work, please reply with your motherboard, CPU and memory specifications so I can look into this further.
Unplug power supply and try re-seating your memory sticks and add-in cards including video. Make sure monitor is plugged in securely to motherboard video port to start with if it has one. Sometimes you need to start up from motherboard video port first and then install your add-on video card, power off and then plug monitor in to add-on card.
Have you check the video card, is it loose, not sitting right, beeps are either memory, video or a bad mobo.
here's a list of beep codes; the numbers represent the amount of beeps
The memory refresh circuitry has failed
Parity errors have been detected in the first 64 KB of memory
A failure has occurred within the first 64 KB or memory
System Timer failure: Timer 1 on the mainboard does not work
The CPU has generated an undetectable error
8042 Gate-A20 failure: BIOS cannot switch the CPU into protected
The CPU has generated an exception error
The video adapter is missing, or the memory on the adapter has generated a
The ROM checksum value does not match the value in BIOS
The shutdown register for CMOS interrupt channel 2 has failed POST; the
system board cannot retrieve CMOS contents during POST
Level-2 cache memory has failed the tests, and has been disabled
POST has failed, caused by a failure of one of the hardware tests
1 long, 2 short
Failure in video system: a checksum error was encountered in video BIOS ROM,
or a horizontal retrace failure has been encountered
1 long, 3 short
Failure in video system: the video DAC, the monitor detection procedure or
the video RAM has failed
POST procedures have passed